text: // This is a generated file, modify: generate/templates/templates/class_content.cc
  
  #include <nan.h>
  #include <string.h>
  
  extern "C" {
    #include <git2.h>
   }
  
  #include "../include/nodegit.h"
  #include "../include/lock_master.h"
  #include "../include/functions/copy.h"
  #include "../include/commit.h"
  #include "nodegit_wrapper.cc"
  #include "../include/async_libgit2_queue_worker.h"
  
    #include "../include/oid.h"
    #include "../include/signature.h"
    #include "../include/tree.h"
    #include "../include/mailmap.h"
    #include "../include/repository.h"
    #include "../include/buf.h"
   
  #include <iostream>
  
  using namespace std;
  using namespace v8;
  using namespace node;
  
    GitCommit::~GitCommit() {
      // this will cause an error if you have a non-self-freeing object that also needs
      // to save values. Since the object that will eventually free the object has no
      // way of knowing to free these values.
                                                                                                                                                         }
  
    void GitCommit::InitializeComponent(v8::Local<v8::Object> target) {
      Nan::HandleScope scope;
  
      v8::Local<FunctionTemplate> tpl = Nan::New<FunctionTemplate>(JSNewFunction);
  
      tpl->InstanceTemplate()->SetInternalFieldCount(1);
      tpl->SetClassName(Nan::New("Commit").ToLocalChecked());
  
            Nan::SetPrototypeMethod(tpl, "amend", Amend);
              Nan::SetPrototypeMethod(tpl, "author", Author);
              Nan::SetPrototypeMethod(tpl, "authorWithMailmap", AuthorWithMailmap);
              Nan::SetPrototypeMethod(tpl, "body", Body);
              Nan::SetPrototypeMethod(tpl, "committer", Committer);
              Nan::SetPrototypeMethod(tpl, "committerWithMailmap", CommitterWithMailmap);
               Nan::SetMethod(tpl, "create", Create);
               Nan::SetMethod(tpl, "createBuffer", CreateBuffer);
               Nan::SetMethod(tpl, "createV", CreateV);
               Nan::SetMethod(tpl, "createWithSignature", CreateWithSignature);
              Nan::SetPrototypeMethod(tpl, "dup", Dup);
               Nan::SetMethod(tpl, "extractSignature", ExtractSignature);
              Nan::SetPrototypeMethod(tpl, "headerField", HeaderField);
              Nan::SetPrototypeMethod(tpl, "id", Id);
               Nan::SetMethod(tpl, "lookup", Lookup);
               Nan::SetMethod(tpl, "lookupPrefix", LookupPrefix);
              Nan::SetPrototypeMethod(tpl, "message", Message);
              Nan::SetPrototypeMethod(tpl, "messageEncoding", MessageEncoding);
              Nan::SetPrototypeMethod(tpl, "messageRaw", MessageRaw);
              Nan::SetPrototypeMethod(tpl, "nthGenAncestor", NthGenAncestor);
              Nan::SetPrototypeMethod(tpl, "owner", Owner);
              Nan::SetPrototypeMethod(tpl, "parent", Parent);
              Nan::SetPrototypeMethod(tpl, "parentId", ParentId);
              Nan::SetPrototypeMethod(tpl, "parentcount", Parentcount);
              Nan::SetPrototypeMethod(tpl, "rawHeader", RawHeader);
              Nan::SetPrototypeMethod(tpl, "summary", Summary);
              Nan::SetPrototypeMethod(tpl, "time", Time);
              Nan::SetPrototypeMethod(tpl, "timeOffset", TimeOffset);
              Nan::SetPrototypeMethod(tpl, "tree", Tree);
              Nan::SetPrototypeMethod(tpl, "treeId", TreeId);
      
      InitializeTemplate(tpl);
  
      v8::Local<Function> _constructor_template = Nan::GetFunction(tpl).ToLocalChecked();
      constructor_template.Reset(_constructor_template);
      Nan::Set(target, Nan::New("Commit").ToLocalChecked(), _constructor_template);
    }
  
   
  /*
      * @param String update_ref
     * @param Signature author
     * @param Signature committer
     * @param String message_encoding
     * @param String message
     * @param Tree tree
      * @param Oid callback
     */
  NAN_METHOD(GitCommit::Amend) {
  
    if (info.Length() == 6 || !info[6]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    AmendBaton* baton = new AmendBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
        baton->id = (git_oid *)malloc(sizeof(git_oid ));
          baton->commit_to_amend = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  // start convert_from_v8 block
    const char * from_update_ref = NULL;
      if (info[0]->IsString()) {
  
    Nan::Utf8String update_ref(Nan::To<v8::String>(info[0]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_update_ref = (const char *) malloc(update_ref.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_update_ref, *update_ref, update_ref.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_update_ref) + update_ref.length()), 0, 1);
    }
    else {
      from_update_ref = 0;
    }
  // end convert_from_v8 block
            baton->update_ref = from_update_ref;
  // start convert_from_v8 block
    const git_signature * from_author = NULL;
      if (info[1]->IsObject()) {
  from_author = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
    }
    else {
      from_author = 0;
    }
  // end convert_from_v8 block
            baton->author = from_author;
  // start convert_from_v8 block
    const git_signature * from_committer = NULL;
      if (info[2]->IsObject()) {
  from_committer = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[2]).ToLocalChecked())->GetValue();
    }
    else {
      from_committer = 0;
    }
  // end convert_from_v8 block
            baton->committer = from_committer;
  // start convert_from_v8 block
    const char * from_message_encoding = NULL;
      if (info[3]->IsString()) {
  
    Nan::Utf8String message_encoding(Nan::To<v8::String>(info[3]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message_encoding = (const char *) malloc(message_encoding.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message_encoding, *message_encoding, message_encoding.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message_encoding) + message_encoding.length()), 0, 1);
    }
    else {
      from_message_encoding = 0;
    }
  // end convert_from_v8 block
            baton->message_encoding = from_message_encoding;
  // start convert_from_v8 block
    const char * from_message = NULL;
      if (info[4]->IsString()) {
  
    Nan::Utf8String message(Nan::To<v8::String>(info[4]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message = (const char *) malloc(message.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message, *message, message.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message) + message.length()), 0, 1);
    }
    else {
      from_message = 0;
    }
  // end convert_from_v8 block
            baton->message = from_message;
  // start convert_from_v8 block
    const git_tree * from_tree = NULL;
      if (info[5]->IsObject()) {
  from_tree = Nan::ObjectWrap::Unwrap<GitTree>(Nan::To<v8::Object>(info[5]).ToLocalChecked())->GetValue();
    }
    else {
      from_tree = 0;
    }
  // end convert_from_v8 block
            baton->tree = from_tree;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[6]));
    AmendWorker *worker = new AmendWorker(baton, callback);
  
          worker->SaveToPersistent("commit_to_amend", info.This());
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("update_ref", Nan::To<v8::Object>(info[0]).ToLocalChecked());
          if (!info[1]->IsUndefined() && !info[1]->IsNull())
            worker->SaveToPersistent("author", Nan::To<v8::Object>(info[1]).ToLocalChecked());
          if (!info[2]->IsUndefined() && !info[2]->IsNull())
            worker->SaveToPersistent("committer", Nan::To<v8::Object>(info[2]).ToLocalChecked());
          if (!info[3]->IsUndefined() && !info[3]->IsNull())
            worker->SaveToPersistent("message_encoding", Nan::To<v8::Object>(info[3]).ToLocalChecked());
          if (!info[4]->IsUndefined() && !info[4]->IsNull())
            worker->SaveToPersistent("message", Nan::To<v8::Object>(info[4]).ToLocalChecked());
          if (!info[5]->IsUndefined() && !info[5]->IsNull())
            worker->SaveToPersistent("tree", Nan::To<v8::Object>(info[5]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::AmendWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->id
              ,baton->commit_to_amend
              ,baton->update_ref
              ,baton->author
              ,baton->committer
              ,baton->message_encoding
              ,baton->message
              ,baton->tree
      );
  
      int result = git_commit_amend(
  baton->id,baton->commit_to_amend,baton->update_ref,baton->author,baton->committer,baton->message_encoding,baton->message,baton->tree  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::AmendWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->id != NULL) {
          to = GitOid::New(
          baton->id,
          true
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method amend has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.amend").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("update_ref"));
                workerArguments.push(GetFromPersistent("author"));
                workerArguments.push(GetFromPersistent("committer"));
                workerArguments.push(GetFromPersistent("message_encoding"));
                workerArguments.push(GetFromPersistent("message"));
                workerArguments.push(GetFromPersistent("tree"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method amend has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.amend").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
     
  /*
       * @return Signature  result    */
  NAN_METHOD(GitCommit::Author) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const git_signature * result =     git_commit_author(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (result != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
              Nan::Set(owners, owners->Length(), info.This());
            to = GitSignature::New(
          result,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
    
  /*
      * @param Mailmap mailmap
      * @param Signature callback
     */
  NAN_METHOD(GitCommit::AuthorWithMailmap) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Mailmap mailmap is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    AuthorWithMailmapBaton* baton = new AuthorWithMailmapBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
          baton->commit = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  // start convert_from_v8 block
    const git_mailmap * from_mailmap = NULL;
  from_mailmap = Nan::ObjectWrap::Unwrap<GitMailmap>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->mailmap = from_mailmap;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[1]));
    AuthorWithMailmapWorker *worker = new AuthorWithMailmapWorker(baton, callback);
  
          worker->SaveToPersistent("commit", info.This());
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("mailmap", Nan::To<v8::Object>(info[0]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::AuthorWithMailmapWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->commit
              ,baton->mailmap
      );
  
      int result = git_commit_author_with_mailmap(
  &baton->out,baton->commit,baton->mailmap  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::AuthorWithMailmapWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->out != NULL) {
          to = GitSignature::New(
          baton->out,
          true
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method authorWithMailmap has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.authorWithMailmap").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("mailmap"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method authorWithMailmap has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.authorWithMailmap").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
     
  /*
       * @return String  result    */
  NAN_METHOD(GitCommit::Body) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const char * result =     git_commit_body(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
    if (result){
         to = Nan::New<v8::String>(result).ToLocalChecked();
     }
    else {
      to = Nan::Null();
    }
  
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return Signature  result    */
  NAN_METHOD(GitCommit::Committer) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const git_signature * result =     git_commit_committer(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (result != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
              Nan::Set(owners, owners->Length(), info.This());
            to = GitSignature::New(
          result,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
    
  /*
      * @param Mailmap mailmap
      * @param Signature callback
     */
  NAN_METHOD(GitCommit::CommitterWithMailmap) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Mailmap mailmap is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    CommitterWithMailmapBaton* baton = new CommitterWithMailmapBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
          baton->commit = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  // start convert_from_v8 block
    const git_mailmap * from_mailmap = NULL;
  from_mailmap = Nan::ObjectWrap::Unwrap<GitMailmap>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->mailmap = from_mailmap;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[1]));
    CommitterWithMailmapWorker *worker = new CommitterWithMailmapWorker(baton, callback);
  
          worker->SaveToPersistent("commit", info.This());
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("mailmap", Nan::To<v8::Object>(info[0]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::CommitterWithMailmapWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->commit
              ,baton->mailmap
      );
  
      int result = git_commit_committer_with_mailmap(
  &baton->out,baton->commit,baton->mailmap  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::CommitterWithMailmapWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->out != NULL) {
          to = GitSignature::New(
          baton->out,
          true
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method committerWithMailmap has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.committerWithMailmap").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("mailmap"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method committerWithMailmap has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.committerWithMailmap").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
    
  /*
    * @param Repository repo
     * @param String update_ref
     * @param Signature author
     * @param Signature committer
     * @param String message_encoding
     * @param String message
     * @param Tree tree
     * @param Number parent_count
     * @param Array parents
      * @param Oid callback
     */
  NAN_METHOD(GitCommit::Create) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 2 || !info[2]->IsObject()) {
      return Nan::ThrowError("Signature author is required.");
    }
  
    if (info.Length() == 3 || !info[3]->IsObject()) {
      return Nan::ThrowError("Signature committer is required.");
    }
  
    if (info.Length() == 5 || !info[5]->IsString()) {
      return Nan::ThrowError("String message is required.");
    }
  
    if (info.Length() == 6 || !info[6]->IsObject()) {
      return Nan::ThrowError("Tree tree is required.");
    }
  
    if (info.Length() == 7 || !info[7]->IsNumber()) {
      return Nan::ThrowError("Number parent_count is required.");
    }
  
    if (info.Length() == 8 || !info[8]->IsObject()) {
      return Nan::ThrowError("Array parents is required.");
    }
  
    if (info.Length() == 9 || !info[9]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    CreateBaton* baton = new CreateBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
        baton->id = (git_oid *)malloc(sizeof(git_oid ));
  // start convert_from_v8 block
    git_repository * from_repo = NULL;
  from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->repo = from_repo;
  // start convert_from_v8 block
    const char * from_update_ref = NULL;
      if (info[1]->IsString()) {
  
    Nan::Utf8String update_ref(Nan::To<v8::String>(info[1]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_update_ref = (const char *) malloc(update_ref.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_update_ref, *update_ref, update_ref.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_update_ref) + update_ref.length()), 0, 1);
    }
    else {
      from_update_ref = 0;
    }
  // end convert_from_v8 block
            baton->update_ref = from_update_ref;
  // start convert_from_v8 block
    const git_signature * from_author = NULL;
  from_author = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[2]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->author = from_author;
  // start convert_from_v8 block
    const git_signature * from_committer = NULL;
  from_committer = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[3]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->committer = from_committer;
  // start convert_from_v8 block
    const char * from_message_encoding = NULL;
      if (info[4]->IsString()) {
  
    Nan::Utf8String message_encoding(Nan::To<v8::String>(info[4]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message_encoding = (const char *) malloc(message_encoding.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message_encoding, *message_encoding, message_encoding.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message_encoding) + message_encoding.length()), 0, 1);
    }
    else {
      from_message_encoding = 0;
    }
  // end convert_from_v8 block
            baton->message_encoding = from_message_encoding;
  // start convert_from_v8 block
    const char * from_message = NULL;
  
    Nan::Utf8String message(Nan::To<v8::String>(info[5]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message = (const char *) malloc(message.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message, *message, message.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message) + message.length()), 0, 1);
  // end convert_from_v8 block
            baton->message = from_message;
  // start convert_from_v8 block
    const git_tree * from_tree = NULL;
  from_tree = Nan::ObjectWrap::Unwrap<GitTree>(Nan::To<v8::Object>(info[6]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->tree = from_tree;
  // start convert_from_v8 block
    size_t from_parent_count;
        from_parent_count = (size_t)   info[7].As<v8::Number>()->Value();
  // end convert_from_v8 block
            baton->parent_count = from_parent_count;
  // start convert_from_v8 block
    const git_commit ** from_parents = NULL;
  
    v8::Local<v8::Array> tmp_parents = v8::Local<v8::Array>::Cast(info[8]);
    from_parents = (const git_commit **)malloc(tmp_parents->Length() * sizeof(const git_commit *));
        for (unsigned int i = 0; i < tmp_parents->Length(); i++) {
        from_parents[i] = Nan::ObjectWrap::Unwrap<GitCommit>(Nan::To<v8::Object>(Nan::Get(tmp_parents, Nan::New(static_cast<double>(i))).ToLocalChecked()).ToLocalChecked())->GetValue();
        }
  // end convert_from_v8 block
            baton->parents = from_parents;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[9]));
    CreateWorker *worker = new CreateWorker(baton, callback);
  
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
          if (!info[1]->IsUndefined() && !info[1]->IsNull())
            worker->SaveToPersistent("update_ref", Nan::To<v8::Object>(info[1]).ToLocalChecked());
          if (!info[2]->IsUndefined() && !info[2]->IsNull())
            worker->SaveToPersistent("author", Nan::To<v8::Object>(info[2]).ToLocalChecked());
          if (!info[3]->IsUndefined() && !info[3]->IsNull())
            worker->SaveToPersistent("committer", Nan::To<v8::Object>(info[3]).ToLocalChecked());
          if (!info[4]->IsUndefined() && !info[4]->IsNull())
            worker->SaveToPersistent("message_encoding", Nan::To<v8::Object>(info[4]).ToLocalChecked());
          if (!info[5]->IsUndefined() && !info[5]->IsNull())
            worker->SaveToPersistent("message", Nan::To<v8::Object>(info[5]).ToLocalChecked());
          if (!info[6]->IsUndefined() && !info[6]->IsNull())
            worker->SaveToPersistent("tree", Nan::To<v8::Object>(info[6]).ToLocalChecked());
          if (!info[7]->IsUndefined() && !info[7]->IsNull())
            worker->SaveToPersistent("parent_count", Nan::To<v8::Object>(info[7]).ToLocalChecked());
          if (!info[8]->IsUndefined() && !info[8]->IsNull())
            worker->SaveToPersistent("parents", Nan::To<v8::Object>(info[8]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::CreateWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->id
              ,baton->repo
              ,baton->update_ref
              ,baton->author
              ,baton->committer
              ,baton->message_encoding
              ,baton->message
              ,baton->tree
      );
  
      int result = git_commit_create(
  baton->id,baton->repo,baton->update_ref,baton->author,baton->committer,baton->message_encoding,baton->message,baton->tree,baton->parent_count,baton->parents  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::CreateWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->id != NULL) {
          to = GitOid::New(
          baton->id,
          true
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method create has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.create").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("repo"));
                workerArguments.push(GetFromPersistent("update_ref"));
                workerArguments.push(GetFromPersistent("author"));
                workerArguments.push(GetFromPersistent("committer"));
                workerArguments.push(GetFromPersistent("message_encoding"));
                workerArguments.push(GetFromPersistent("message"));
                workerArguments.push(GetFromPersistent("tree"));
                workerArguments.push(GetFromPersistent("parent_count"));
                workerArguments.push(GetFromPersistent("parents"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method create has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.create").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
    
  /*
    * @param Repository repo
     * @param Signature author
     * @param Signature committer
     * @param String message_encoding
     * @param String message
     * @param Tree tree
     * @param Number parent_count
     * @param Array parents
      * @param Buffer callback
     */
  NAN_METHOD(GitCommit::CreateBuffer) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsObject()) {
      return Nan::ThrowError("Signature author is required.");
    }
  
    if (info.Length() == 2 || !info[2]->IsObject()) {
      return Nan::ThrowError("Signature committer is required.");
    }
  
    if (info.Length() == 4 || !info[4]->IsString()) {
      return Nan::ThrowError("String message is required.");
    }
  
    if (info.Length() == 5 || !info[5]->IsObject()) {
      return Nan::ThrowError("Tree tree is required.");
    }
  
    if (info.Length() == 6 || !info[6]->IsNumber()) {
      return Nan::ThrowError("Number parent_count is required.");
    }
  
    if (info.Length() == 7 || !info[7]->IsObject()) {
      return Nan::ThrowError("Array parents is required.");
    }
  
    if (info.Length() == 8 || !info[8]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    CreateBufferBaton* baton = new CreateBufferBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
        baton->out = (git_buf *)malloc(sizeof(git_buf ));
          baton->out->ptr = NULL;
          baton->out->size = baton->out->asize = 0;
  // start convert_from_v8 block
    git_repository * from_repo = NULL;
  from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->repo = from_repo;
  // start convert_from_v8 block
    const git_signature * from_author = NULL;
  from_author = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->author = from_author;
  // start convert_from_v8 block
    const git_signature * from_committer = NULL;
  from_committer = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[2]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->committer = from_committer;
  // start convert_from_v8 block
    const char * from_message_encoding = NULL;
      if (info[3]->IsString()) {
  
    Nan::Utf8String message_encoding(Nan::To<v8::String>(info[3]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message_encoding = (const char *) malloc(message_encoding.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message_encoding, *message_encoding, message_encoding.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message_encoding) + message_encoding.length()), 0, 1);
    }
    else {
      from_message_encoding = 0;
    }
  // end convert_from_v8 block
            baton->message_encoding = from_message_encoding;
  // start convert_from_v8 block
    const char * from_message = NULL;
  
    Nan::Utf8String message(Nan::To<v8::String>(info[4]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message = (const char *) malloc(message.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message, *message, message.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message) + message.length()), 0, 1);
  // end convert_from_v8 block
            baton->message = from_message;
  // start convert_from_v8 block
    const git_tree * from_tree = NULL;
  from_tree = Nan::ObjectWrap::Unwrap<GitTree>(Nan::To<v8::Object>(info[5]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->tree = from_tree;
  // start convert_from_v8 block
    size_t from_parent_count;
        from_parent_count = (size_t)   info[6].As<v8::Number>()->Value();
  // end convert_from_v8 block
            baton->parent_count = from_parent_count;
  // start convert_from_v8 block
    const git_commit ** from_parents = NULL;
  
    v8::Local<v8::Array> tmp_parents = v8::Local<v8::Array>::Cast(info[7]);
    from_parents = (const git_commit **)malloc(tmp_parents->Length() * sizeof(const git_commit *));
        for (unsigned int i = 0; i < tmp_parents->Length(); i++) {
        from_parents[i] = Nan::ObjectWrap::Unwrap<GitCommit>(Nan::To<v8::Object>(Nan::Get(tmp_parents, Nan::New(static_cast<double>(i))).ToLocalChecked()).ToLocalChecked())->GetValue();
        }
  // end convert_from_v8 block
            baton->parents = from_parents;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[8]));
    CreateBufferWorker *worker = new CreateBufferWorker(baton, callback);
  
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
          if (!info[1]->IsUndefined() && !info[1]->IsNull())
            worker->SaveToPersistent("author", Nan::To<v8::Object>(info[1]).ToLocalChecked());
          if (!info[2]->IsUndefined() && !info[2]->IsNull())
            worker->SaveToPersistent("committer", Nan::To<v8::Object>(info[2]).ToLocalChecked());
          if (!info[3]->IsUndefined() && !info[3]->IsNull())
            worker->SaveToPersistent("message_encoding", Nan::To<v8::Object>(info[3]).ToLocalChecked());
          if (!info[4]->IsUndefined() && !info[4]->IsNull())
            worker->SaveToPersistent("message", Nan::To<v8::Object>(info[4]).ToLocalChecked());
          if (!info[5]->IsUndefined() && !info[5]->IsNull())
            worker->SaveToPersistent("tree", Nan::To<v8::Object>(info[5]).ToLocalChecked());
          if (!info[6]->IsUndefined() && !info[6]->IsNull())
            worker->SaveToPersistent("parent_count", Nan::To<v8::Object>(info[6]).ToLocalChecked());
          if (!info[7]->IsUndefined() && !info[7]->IsNull())
            worker->SaveToPersistent("parents", Nan::To<v8::Object>(info[7]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::CreateBufferWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->out
              ,baton->repo
              ,baton->author
              ,baton->committer
              ,baton->message_encoding
              ,baton->message
              ,baton->tree
      );
  
      int result = git_commit_create_buffer(
  baton->out,baton->repo,baton->author,baton->committer,baton->message_encoding,baton->message,baton->tree,baton->parent_count,baton->parents  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::CreateBufferWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
     if (baton->out) {
      to = Nan::New<v8::String>(baton->out->ptr, baton->out->size).ToLocalChecked();
    }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method createBuffer has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.createBuffer").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("repo"));
                workerArguments.push(GetFromPersistent("author"));
                workerArguments.push(GetFromPersistent("committer"));
                workerArguments.push(GetFromPersistent("message_encoding"));
                workerArguments.push(GetFromPersistent("message"));
                workerArguments.push(GetFromPersistent("tree"));
                workerArguments.push(GetFromPersistent("parent_count"));
                workerArguments.push(GetFromPersistent("parents"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method createBuffer has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.createBuffer").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
          git_buf_dispose(baton->out);
          free((void *)baton->out);
  
    delete baton;
  }
  
     
  /*
   * @param Oid id
     * @param Repository repo
     * @param String update_ref
     * @param Signature author
     * @param Signature committer
     * @param String message_encoding
     * @param String message
     * @param Tree tree
     * @param Number parent_count
       * @return Number  result    */
  NAN_METHOD(GitCommit::CreateV) {
    Nan::EscapableHandleScope scope;
  
    if (info.Length() == 0
      || (!info[0]->IsObject() && !info[0]->IsString())) {
      return Nan::ThrowError("Oid id is required.");
    }
    if (info.Length() == 1 || !info[1]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 2 || !info[2]->IsString()) {
      return Nan::ThrowError("String update_ref is required.");
    }
  
    if (info.Length() == 3 || !info[3]->IsObject()) {
      return Nan::ThrowError("Signature author is required.");
    }
  
    if (info.Length() == 4 || !info[4]->IsObject()) {
      return Nan::ThrowError("Signature committer is required.");
    }
  
    if (info.Length() == 5 || !info[5]->IsString()) {
      return Nan::ThrowError("String message_encoding is required.");
    }
  
    if (info.Length() == 6 || !info[6]->IsString()) {
      return Nan::ThrowError("String message is required.");
    }
  
    if (info.Length() == 7 || !info[7]->IsObject()) {
      return Nan::ThrowError("Tree tree is required.");
    }
  
    if (info.Length() == 8 || !info[8]->IsNumber()) {
      return Nan::ThrowError("Number parent_count is required.");
    }
  
  // start convert_from_v8 block
    git_oid * from_id = NULL;
    if (info[0]->IsString()) {
      // Try and parse in a string to a git_oid
      Nan::Utf8String oidString(Nan::To<v8::String>(info[0]).ToLocalChecked());
      git_oid *oidOut = (git_oid *)malloc(sizeof(git_oid));
  
      if (git_oid_fromstr(oidOut, (const char *) strdup(*oidString)) != GIT_OK) {
        free(oidOut);
  
        if (git_error_last()) {
          return Nan::ThrowError(git_error_last()->message);
        } else {
          return Nan::ThrowError("Unknown Error");
        }
      }
  
      from_id = oidOut;
    }
    else {
  from_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
    }
  // end convert_from_v8 block
  // start convert_from_v8 block
    git_repository * from_repo = NULL;
  from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
  // start convert_from_v8 block
    const char * from_update_ref = NULL;
  
    Nan::Utf8String update_ref(Nan::To<v8::String>(info[2]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_update_ref = (const char *) malloc(update_ref.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_update_ref, *update_ref, update_ref.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_update_ref) + update_ref.length()), 0, 1);
  // end convert_from_v8 block
  // start convert_from_v8 block
    const git_signature * from_author = NULL;
  from_author = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[3]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
  // start convert_from_v8 block
    const git_signature * from_committer = NULL;
  from_committer = Nan::ObjectWrap::Unwrap<GitSignature>(Nan::To<v8::Object>(info[4]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
  // start convert_from_v8 block
    const char * from_message_encoding = NULL;
  
    Nan::Utf8String message_encoding(Nan::To<v8::String>(info[5]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message_encoding = (const char *) malloc(message_encoding.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message_encoding, *message_encoding, message_encoding.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message_encoding) + message_encoding.length()), 0, 1);
  // end convert_from_v8 block
  // start convert_from_v8 block
    const char * from_message = NULL;
  
    Nan::Utf8String message(Nan::To<v8::String>(info[6]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_message = (const char *) malloc(message.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_message, *message, message.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_message) + message.length()), 0, 1);
  // end convert_from_v8 block
  // start convert_from_v8 block
    const git_tree * from_tree = NULL;
  from_tree = Nan::ObjectWrap::Unwrap<GitTree>(Nan::To<v8::Object>(info[7]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
  // start convert_from_v8 block
    size_t from_parent_count;
        from_parent_count = (size_t)   info[8].As<v8::Number>()->Value();
  // end convert_from_v8 block
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                from_id
              ,
                from_repo
              ,
                from_update_ref
              ,
                from_author
              ,
                from_committer
              ,
                from_message_encoding
              ,
                from_message
              ,
                from_tree
      );
  
   int result =     git_commit_create_v(
            from_id
  ,          from_repo
  ,          from_update_ref
  ,          from_author
  ,          from_committer
  ,          from_message_encoding
  ,          from_message
  ,          from_tree
  ,          from_parent_count
      );
  
        if (info[0]->IsString()) {
          free((void *)from_id);
        }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
       to = Nan::New<Number>( result);
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
    
  /*
    * @param Repository repo
     * @param String commit_content
     * @param String signature
     * @param String signature_field
      * @param Oid callback
     */
  NAN_METHOD(GitCommit::CreateWithSignature) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsString()) {
      return Nan::ThrowError("String commit_content is required.");
    }
  
    if (info.Length() == 2 || !info[2]->IsString()) {
      return Nan::ThrowError("String signature is required.");
    }
  
    if (info.Length() == 3 || !info[3]->IsString()) {
      return Nan::ThrowError("String signature_field is required.");
    }
  
    if (info.Length() == 4 || !info[4]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    CreateWithSignatureBaton* baton = new CreateWithSignatureBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
        baton->out = (git_oid *)malloc(sizeof(git_oid ));
  // start convert_from_v8 block
    git_repository * from_repo = NULL;
  from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->repo = from_repo;
  // start convert_from_v8 block
    const char * from_commit_content = NULL;
  
    Nan::Utf8String commit_content(Nan::To<v8::String>(info[1]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_commit_content = (const char *) malloc(commit_content.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_commit_content, *commit_content, commit_content.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_commit_content) + commit_content.length()), 0, 1);
  // end convert_from_v8 block
            baton->commit_content = from_commit_content;
  // start convert_from_v8 block
    const char * from_signature = NULL;
  
    Nan::Utf8String signature(Nan::To<v8::String>(info[2]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_signature = (const char *) malloc(signature.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_signature, *signature, signature.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_signature) + signature.length()), 0, 1);
  // end convert_from_v8 block
            baton->signature = from_signature;
  // start convert_from_v8 block
    const char * from_signature_field = NULL;
  
    Nan::Utf8String signature_field(Nan::To<v8::String>(info[3]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_signature_field = (const char *) malloc(signature_field.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_signature_field, *signature_field, signature_field.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_signature_field) + signature_field.length()), 0, 1);
  // end convert_from_v8 block
            baton->signature_field = from_signature_field;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[4]));
    CreateWithSignatureWorker *worker = new CreateWithSignatureWorker(baton, callback);
  
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
          if (!info[1]->IsUndefined() && !info[1]->IsNull())
            worker->SaveToPersistent("commit_content", Nan::To<v8::Object>(info[1]).ToLocalChecked());
          if (!info[2]->IsUndefined() && !info[2]->IsNull())
            worker->SaveToPersistent("signature", Nan::To<v8::Object>(info[2]).ToLocalChecked());
          if (!info[3]->IsUndefined() && !info[3]->IsNull())
            worker->SaveToPersistent("signature_field", Nan::To<v8::Object>(info[3]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::CreateWithSignatureWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->out
              ,baton->repo
              ,baton->commit_content
              ,baton->signature
              ,baton->signature_field
      );
  
      int result = git_commit_create_with_signature(
  baton->out,baton->repo,baton->commit_content,baton->signature,baton->signature_field  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::CreateWithSignatureWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->out != NULL) {
          to = GitOid::New(
          baton->out,
          true
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method createWithSignature has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.createWithSignature").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("repo"));
                workerArguments.push(GetFromPersistent("commit_content"));
                workerArguments.push(GetFromPersistent("signature"));
                workerArguments.push(GetFromPersistent("signature_field"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method createWithSignature has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.createWithSignature").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
    
  /*
       * @param Commit callback
     */
  NAN_METHOD(GitCommit::Dup) {
  
    if (info.Length() == 0 || !info[0]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    DupBaton* baton = new DupBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
          baton->source = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[0]));
    DupWorker *worker = new DupWorker(baton, callback);
  
          worker->SaveToPersistent("source", info.This());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::DupWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->source
      );
  
      int result = git_commit_dup(
  &baton->out,baton->source  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::DupWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->out != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(
            owners,
            Nan::New<v8::Number>(owners->Length()),
            Nan::To<v8::Object>(GitRepository::New(
              git_commit_owner(baton->out),
              true
            )).ToLocalChecked()
          );
           to = GitCommit::New(
          baton->out,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method dup has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.dup").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method dup has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.dup").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
          NAN_METHOD(GitCommit::ExtractSignature)
  {
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 1 || (!info[1]->IsObject() && !info[1]->IsString())) {
      return Nan::ThrowError("Oid commit_id is required.");
    }
  
    if (info.Length() == 2 || (info.Length() == 3 && !info[2]->IsFunction())) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    if (info.Length() >= 4) {
      if (!info[2]->IsString() && !info[2]->IsUndefined() && !info[2]->IsNull()) {
        return Nan::ThrowError("String signature_field must be a string or undefined/null.");
      }
  
      if (!info[3]->IsFunction()) {
        return Nan::ThrowError("Callback is required and must be a Function.");
      }
    }
  
    ExtractSignatureBaton* baton = new ExtractSignatureBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
    baton->signature = GIT_BUF_INIT_CONST(NULL, 0);
    baton->signed_data = GIT_BUF_INIT_CONST(NULL, 0);
    baton->repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  
    // baton->commit_id
    if (info[1]->IsString()) {
      Nan::Utf8String oidString(Nan::To<v8::String>(info[1]).ToLocalChecked());
      baton->commit_id = (git_oid *)malloc(sizeof(git_oid));
      if (git_oid_fromstr(baton->commit_id, (const char *)strdup(*oidString)) != GIT_OK) {
        free(baton->commit_id);
  
        if (git_error_last()) {
          return Nan::ThrowError(git_error_last()->message);
        } else {
          return Nan::ThrowError("Unknown Error");
        }
      }
    } else {
      baton->commit_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
    }
  
    // baton->field
    if (info[2]->IsString()) {
      Nan::Utf8String field(Nan::To<v8::String>(info[2]).ToLocalChecked());
      baton->field = (char *)malloc(field.length() + 1);
      memcpy((void *)baton->field, *field, field.length());
      baton->field[field.length()] = 0;
    } else {
      baton->field = NULL;
    }
  
    Nan::Callback *callback;
    if (info[2]->IsFunction()) {
      callback = new Nan::Callback(Local<Function>::Cast(info[2]));
    } else {
      callback = new Nan::Callback(Local<Function>::Cast(info[3]));
    }
  
    ExtractSignatureWorker *worker = new ExtractSignatureWorker(baton, callback);
    worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
    worker->SaveToPersistent("commit_id", Nan::To<v8::Object>(info[1]).ToLocalChecked());
    Nan::AsyncQueueWorker(worker);
    return;
  }
  
  void GitCommit::ExtractSignatureWorker::Execute()
  {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true,
        baton->repo
      );
  
      baton->error_code = git_commit_extract_signature(
        &baton->signature,
        &baton->signed_data,
        baton->repo,
        baton->commit_id,
        (const char *)baton->field
      );
  
      if (baton->error_code != GIT_OK && git_error_last() != NULL) {
        baton->error = git_error_dup(git_error_last());
      }
    }
  }
  
  void GitCommit::ExtractSignatureWorker::HandleOKCallback()
  {
    if (baton->error_code == GIT_OK)
    {
      Local<v8::Object> result = Nan::New<Object>();
      Nan::Set(
        result,
        Nan::New("signature").ToLocalChecked(),
        Nan::New<String>(baton->signature.ptr, baton->signature.size).ToLocalChecked()
      );
      Nan::Set(
        result,
        Nan::New("signedData").ToLocalChecked(),
        Nan::New<String>(baton->signed_data.ptr, baton->signed_data.size).ToLocalChecked()
      );
  
      Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    }
    else if (baton->error)
    {
      Local<v8::Value> argv[1] = {
        Nan::Error(baton->error->message)
      };
      callback->Call(1, argv, async_resource);
      if (baton->error->message)
      {
        free((void *)baton->error->message);
      }
  
      free((void *)baton->error);
    }
    else if (baton->error_code < 0)
    {
      Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Extract Signature has thrown an error.")).ToLocalChecked();
      Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
      Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.extractSignature").ToLocalChecked());
      Local<v8::Value> argv[1] = {
        err
      };
      callback->Call(1, argv, async_resource);
    }
    else
    {
      callback->Call(0, NULL, async_resource);
    }
  
    git_buf_dispose(&baton->signature);
    git_buf_dispose(&baton->signed_data);
  
    if (baton->field != NULL) {
      free((void *)baton->field);
    }
  
    delete baton;
  }
  
    
  /*
      * @param String field
      * @param Buf callback
     */
  NAN_METHOD(GitCommit::HeaderField) {
  
    if (info.Length() == 0 || !info[0]->IsString()) {
      return Nan::ThrowError("String field is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    HeaderFieldBaton* baton = new HeaderFieldBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
        baton->out = (git_buf *)malloc(sizeof(git_buf ));
          baton->out->ptr = NULL;
          baton->out->size = baton->out->asize = 0;
          baton->commit = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  // start convert_from_v8 block
    const char * from_field = NULL;
  
    Nan::Utf8String field(Nan::To<v8::String>(info[0]).ToLocalChecked());
    // malloc with one extra byte so we can add the terminating null character C-strings expect:
    from_field = (const char *) malloc(field.length() + 1);
    // copy the characters from the nodejs string into our C-string (used instead of strdup or strcpy because nulls in
    // the middle of strings are valid coming from nodejs):
    memcpy((void *)from_field, *field, field.length());
    // ensure the final byte of our new string is null, extra casts added to ensure compatibility with various C types
    // used in the nodejs binding generation:
    memset((void *)(((char *)from_field) + field.length()), 0, 1);
  // end convert_from_v8 block
            baton->field = from_field;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[1]));
    HeaderFieldWorker *worker = new HeaderFieldWorker(baton, callback);
  
          worker->SaveToPersistent("commit", info.This());
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("field", Nan::To<v8::Object>(info[0]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::HeaderFieldWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->out
              ,baton->commit
              ,baton->field
      );
  
      int result = git_commit_header_field(
  baton->out,baton->commit,baton->field  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::HeaderFieldWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
     if (baton->out) {
      to = Nan::New<v8::String>(baton->out->ptr, baton->out->size).ToLocalChecked();
    }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method headerField has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.headerField").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("field"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method headerField has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.headerField").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
          git_buf_dispose(baton->out);
          free((void *)baton->out);
  
    delete baton;
  }
  
     
  /*
       * @return Oid  result    */
  NAN_METHOD(GitCommit::Id) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const git_oid * result =     git_commit_id(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (result != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
              Nan::Set(owners, owners->Length(), info.This());
            to = GitOid::New(
          result,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
    
  /*
    * @param Repository repo
     * @param Oid id
      * @param Commit callback
     */
  NAN_METHOD(GitCommit::Lookup) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 1
      || (!info[1]->IsObject() && !info[1]->IsString())) {
      return Nan::ThrowError("Oid id is required.");
    }
    if (info.Length() == 2 || !info[2]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    LookupBaton* baton = new LookupBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
  // start convert_from_v8 block
    git_repository * from_repo = NULL;
  from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->repo = from_repo;
  // start convert_from_v8 block
    const git_oid * from_id = NULL;
    if (info[1]->IsString()) {
      // Try and parse in a string to a git_oid
      Nan::Utf8String oidString(Nan::To<v8::String>(info[1]).ToLocalChecked());
      git_oid *oidOut = (git_oid *)malloc(sizeof(git_oid));
  
      if (git_oid_fromstr(oidOut, (const char *) strdup(*oidString)) != GIT_OK) {
        free(oidOut);
  
        if (git_error_last()) {
          return Nan::ThrowError(git_error_last()->message);
        } else {
          return Nan::ThrowError("Unknown Error");
        }
      }
  
      from_id = oidOut;
    }
    else {
  from_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
    }
  // end convert_from_v8 block
            baton->id = from_id;
              baton->idNeedsFree = info[1]->IsString();
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[2]));
    LookupWorker *worker = new LookupWorker(baton, callback);
  
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
          if (!info[1]->IsUndefined() && !info[1]->IsNull())
            worker->SaveToPersistent("id", Nan::To<v8::Object>(info[1]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::LookupWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->repo
              ,baton->id
      );
  
      int result = git_commit_lookup(
  &baton->commit,baton->repo,baton->id  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::LookupWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->commit != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(
            owners,
            Nan::New<v8::Number>(owners->Length()),
            Nan::To<v8::Object>(GitRepository::New(
              git_commit_owner(baton->commit),
              true
            )).ToLocalChecked()
          );
           to = GitCommit::New(
          baton->commit,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method lookup has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.lookup").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("repo"));
                workerArguments.push(GetFromPersistent("id"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method lookup has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.lookup").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
        if (baton->idNeedsFree) {
          baton->idNeedsFree = false;
          free((void *)baton->id);
        }
  
    delete baton;
  }
  
    
  /*
    * @param Repository repo
     * @param Oid id
     * @param Number len
      * @param Commit callback
     */
  NAN_METHOD(GitCommit::LookupPrefix) {
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Repository repo is required.");
    }
  
    if (info.Length() == 1
      || (!info[1]->IsObject() && !info[1]->IsString())) {
      return Nan::ThrowError("Oid id is required.");
    }
    if (info.Length() == 2 || !info[2]->IsNumber()) {
      return Nan::ThrowError("Number len is required.");
    }
  
    if (info.Length() == 3 || !info[3]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    LookupPrefixBaton* baton = new LookupPrefixBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
  // start convert_from_v8 block
    git_repository * from_repo = NULL;
  from_repo = Nan::ObjectWrap::Unwrap<GitRepository>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
            baton->repo = from_repo;
  // start convert_from_v8 block
    const git_oid * from_id = NULL;
    if (info[1]->IsString()) {
      // Try and parse in a string to a git_oid
      Nan::Utf8String oidString(Nan::To<v8::String>(info[1]).ToLocalChecked());
      git_oid *oidOut = (git_oid *)malloc(sizeof(git_oid));
  
      if (git_oid_fromstr(oidOut, (const char *) strdup(*oidString)) != GIT_OK) {
        free(oidOut);
  
        if (git_error_last()) {
          return Nan::ThrowError(git_error_last()->message);
        } else {
          return Nan::ThrowError("Unknown Error");
        }
      }
  
      from_id = oidOut;
    }
    else {
  from_id = Nan::ObjectWrap::Unwrap<GitOid>(Nan::To<v8::Object>(info[1]).ToLocalChecked())->GetValue();
    }
  // end convert_from_v8 block
            baton->id = from_id;
              baton->idNeedsFree = info[1]->IsString();
  // start convert_from_v8 block
    size_t from_len;
        from_len = (size_t)   info[2].As<v8::Number>()->Value();
  // end convert_from_v8 block
            baton->len = from_len;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[3]));
    LookupPrefixWorker *worker = new LookupPrefixWorker(baton, callback);
  
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("repo", Nan::To<v8::Object>(info[0]).ToLocalChecked());
          if (!info[1]->IsUndefined() && !info[1]->IsNull())
            worker->SaveToPersistent("id", Nan::To<v8::Object>(info[1]).ToLocalChecked());
          if (!info[2]->IsUndefined() && !info[2]->IsNull())
            worker->SaveToPersistent("len", Nan::To<v8::Object>(info[2]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::LookupPrefixWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->repo
              ,baton->id
      );
  
      int result = git_commit_lookup_prefix(
  &baton->commit,baton->repo,baton->id,baton->len  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::LookupPrefixWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->commit != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(
            owners,
            Nan::New<v8::Number>(owners->Length()),
            Nan::To<v8::Object>(GitRepository::New(
              git_commit_owner(baton->commit),
              true
            )).ToLocalChecked()
          );
           to = GitCommit::New(
          baton->commit,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method lookupPrefix has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.lookupPrefix").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("repo"));
                workerArguments.push(GetFromPersistent("id"));
                workerArguments.push(GetFromPersistent("len"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method lookupPrefix has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.lookupPrefix").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
        if (baton->idNeedsFree) {
          baton->idNeedsFree = false;
          free((void *)baton->id);
        }
  
    delete baton;
  }
  
     
  /*
       * @return String  result    */
  NAN_METHOD(GitCommit::Message) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const char * result =     git_commit_message(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
    if (result){
         to = Nan::New<v8::String>(result).ToLocalChecked();
     }
    else {
      to = Nan::Null();
    }
  
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return String  result    */
  NAN_METHOD(GitCommit::MessageEncoding) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const char * result =     git_commit_message_encoding(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
    if (result){
         to = Nan::New<v8::String>(result).ToLocalChecked();
     }
    else {
      to = Nan::Null();
    }
  
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return String  result    */
  NAN_METHOD(GitCommit::MessageRaw) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const char * result =     git_commit_message_raw(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
    if (result){
         to = Nan::New<v8::String>(result).ToLocalChecked();
     }
    else {
      to = Nan::Null();
    }
  
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
    
  /*
      * @param Number n
      * @param Commit callback
     */
  NAN_METHOD(GitCommit::NthGenAncestor) {
  
    if (info.Length() == 0 || !info[0]->IsNumber()) {
      return Nan::ThrowError("Number n is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    NthGenAncestorBaton* baton = new NthGenAncestorBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
          baton->commit = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  // start convert_from_v8 block
    unsigned int from_n;
        from_n = (unsigned int)   info[0].As<v8::Number>()->Value();
  // end convert_from_v8 block
            baton->n = from_n;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[1]));
    NthGenAncestorWorker *worker = new NthGenAncestorWorker(baton, callback);
  
          worker->SaveToPersistent("commit", info.This());
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("n", Nan::To<v8::Object>(info[0]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::NthGenAncestorWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->commit
      );
  
      int result = git_commit_nth_gen_ancestor(
  &baton->ancestor,baton->commit,baton->n  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::NthGenAncestorWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->ancestor != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(
            owners,
            Nan::New<v8::Number>(owners->Length()),
            Nan::To<v8::Object>(GitRepository::New(
              git_commit_owner(baton->ancestor),
              true
            )).ToLocalChecked()
          );
           to = GitCommit::New(
          baton->ancestor,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method nthGenAncestor has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.nthGenAncestor").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("n"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method nthGenAncestor has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.nthGenAncestor").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
     
  /*
       * @return Repository  result    */
  NAN_METHOD(GitCommit::Owner) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   git_repository * result =     git_commit_owner(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (result != NULL) {
          to = GitRepository::New(
          result,
          true
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
    
  /*
      * @param Number n
      * @param Commit callback
     */
  NAN_METHOD(GitCommit::Parent) {
  
    if (info.Length() == 0 || !info[0]->IsNumber()) {
      return Nan::ThrowError("Number n is required.");
    }
  
    if (info.Length() == 1 || !info[1]->IsFunction()) {
      return Nan::ThrowError("Callback is required and must be a Function.");
    }
  
    ParentBaton* baton = new ParentBaton;
  
    baton->error_code = GIT_OK;
    baton->error = NULL;
  
          baton->commit = Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue();
  // start convert_from_v8 block
    unsigned int from_n;
        from_n = (unsigned int)   info[0].As<v8::Number>()->Value();
  // end convert_from_v8 block
            baton->n = from_n;
  
    Nan::Callback *callback = new Nan::Callback(v8::Local<Function>::Cast(info[1]));
    ParentWorker *worker = new ParentWorker(baton, callback);
  
          worker->SaveToPersistent("commit", info.This());
          if (!info[0]->IsUndefined() && !info[0]->IsNull())
            worker->SaveToPersistent("n", Nan::To<v8::Object>(info[0]).ToLocalChecked());
  
    AsyncLibgit2QueueWorker(worker);
    return;
  }
  
  void GitCommit::ParentWorker::Execute() {
    git_error_clear();
  
    {
      LockMaster lockMaster(
        /*asyncAction: */true
              ,baton->commit
      );
  
      int result = git_commit_parent(
  &baton->out,baton->commit,baton->n  );
  
        baton->error_code = result;
  
        if (result != GIT_OK && git_error_last() != NULL) {
          baton->error = git_error_dup(git_error_last());
        }
  
    }
  }
  
  void GitCommit::ParentWorker::HandleOKCallback() {
      if (baton->error_code == GIT_OK) {
      v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (baton->out != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
            Nan::Set(
            owners,
            Nan::New<v8::Number>(owners->Length()),
            Nan::To<v8::Object>(GitRepository::New(
              git_commit_owner(baton->out),
              true
            )).ToLocalChecked()
          );
           to = GitCommit::New(
          baton->out,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
        v8::Local<v8::Value> result = to;
  
      v8::Local<v8::Value> argv[2] = {
        Nan::Null(),
        result
      };
      callback->Call(2, argv, async_resource);
    } else {
      if (baton->error) {
        v8::Local<v8::Object> err;
        if (baton->error->message) {
          err = Nan::To<v8::Object>(Nan::Error(baton->error->message)).ToLocalChecked();
        } else {
          err = Nan::To<v8::Object>(Nan::Error("Method parent has thrown an error.")).ToLocalChecked();
        }
        Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
        Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.parent").ToLocalChecked());
        v8::Local<v8::Value> argv[1] = {
          err
        };
        callback->Call(1, argv, async_resource);
        if (baton->error->message)
          free((void *)baton->error->message);
        free((void *)baton->error);
      } else if (baton->error_code < 0) {
        std::queue< v8::Local<v8::Value> > workerArguments;
                workerArguments.push(GetFromPersistent("n"));
        bool callbackFired = false;
        while(!workerArguments.empty()) {
          v8::Local<v8::Value> node = workerArguments.front();
          workerArguments.pop();
  
          if (
            !node->IsObject()
            || node->IsArray()
            || node->IsBooleanObject()
            || node->IsDate()
            || node->IsFunction()
            || node->IsNumberObject()
            || node->IsRegExp()
            || node->IsStringObject()
          ) {
            continue;
          }
  
          v8::Local<v8::Object> nodeObj = Nan::To<v8::Object>(node).ToLocalChecked();
          v8::Local<v8::Value> checkValue = GetPrivate(nodeObj, Nan::New("NodeGitPromiseError").ToLocalChecked());
  
          if (!checkValue.IsEmpty() && !checkValue->IsNull() && !checkValue->IsUndefined()) {
            v8::Local<v8::Value> argv[1] = {
              Nan::To<v8::Object>(checkValue).ToLocalChecked()
            };
            callback->Call(1, argv, async_resource);
            callbackFired = true;
            break;
          }
  
          v8::Local<v8::Array> properties = Nan::GetPropertyNames(nodeObj).ToLocalChecked();
          for (unsigned int propIndex = 0; propIndex < properties->Length(); ++propIndex) {
            v8::Local<v8::String> propName = Nan::To<v8::String>(Nan::Get(properties, propIndex).ToLocalChecked()).ToLocalChecked();
            v8::Local<v8::Value> nodeToQueue = Nan::Get(nodeObj, propName).ToLocalChecked();
            if (!nodeToQueue->IsUndefined()) {
              workerArguments.push(nodeToQueue);
            }
          }
        }
  
        if (!callbackFired) {
          v8::Local<v8::Object> err = Nan::To<v8::Object>(Nan::Error("Method parent has thrown an error.")).ToLocalChecked();
          Nan::Set(err, Nan::New("errno").ToLocalChecked(), Nan::New(baton->error_code));
          Nan::Set(err, Nan::New("errorFunction").ToLocalChecked(), Nan::New("Commit.parent").ToLocalChecked());
          v8::Local<v8::Value> argv[1] = {
            err
          };
          callback->Call(1, argv, async_resource);
        }
      } else {
        callback->Call(0, NULL, async_resource);
      }
  
    }
  
  
    delete baton;
  }
  
     
  /*
     * @param Number n
       * @return Oid  result    */
  NAN_METHOD(GitCommit::ParentId) {
    Nan::EscapableHandleScope scope;
  
    if (info.Length() == 0 || !info[0]->IsNumber()) {
      return Nan::ThrowError("Number n is required.");
    }
  
  // start convert_from_v8 block
    unsigned int from_n;
        from_n = (unsigned int)   info[0].As<v8::Number>()->Value();
  // end convert_from_v8 block
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const git_oid * result =     git_commit_parent_id(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
  ,          from_n
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (result != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
              Nan::Set(owners, owners->Length(), info.This());
            to = GitOid::New(
          result,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return Number  result    */
  NAN_METHOD(GitCommit::Parentcount) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   unsigned int result =     git_commit_parentcount(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
       to = Nan::New<Number>( result);
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return String  result    */
  NAN_METHOD(GitCommit::RawHeader) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const char * result =     git_commit_raw_header(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
    if (result){
         to = Nan::New<v8::String>(result).ToLocalChecked();
     }
    else {
      to = Nan::Null();
    }
  
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return String  result    */
  NAN_METHOD(GitCommit::Summary) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const char * result =     git_commit_summary(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
    if (result){
         to = Nan::New<v8::String>(result).ToLocalChecked();
     }
    else {
      to = Nan::Null();
    }
  
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return Number  result    */
  NAN_METHOD(GitCommit::Time) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   git_time_t result =     git_commit_time(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
       to = Nan::New<Number>( result);
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return Number  result    */
  NAN_METHOD(GitCommit::TimeOffset) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   int result =     git_commit_time_offset(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
       to = Nan::New<Number>( result);
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
   * @param Tree tree_out
         * @return Number  result    */
  NAN_METHOD(GitCommit::Tree) {
    Nan::EscapableHandleScope scope;
  
    if (info.Length() == 0 || !info[0]->IsObject()) {
      return Nan::ThrowError("Tree tree_out is required.");
    }
  
  // start convert_from_v8 block
    git_tree ** from_tree_out = NULL;
  *from_tree_out = Nan::ObjectWrap::Unwrap<GitTree>(Nan::To<v8::Object>(info[0]).ToLocalChecked())->GetValue();
  // end convert_from_v8 block
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                from_tree_out
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   int result =     git_commit_tree(
            from_tree_out
  ,          Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
       to = Nan::New<Number>( result);
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
     
  /*
       * @return Oid  result    */
  NAN_METHOD(GitCommit::TreeId) {
    Nan::EscapableHandleScope scope;
  
  
    git_error_clear();
  
    { // lock master scope start
      LockMaster lockMaster(
        /*asyncAction: */false
              ,
                Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
   const git_oid * result =     git_commit_tree_id(
            Nan::ObjectWrap::Unwrap<GitCommit>(info.This())->GetValue()
      );
  
          // null checks on pointers
          if (!result) {
            return info.GetReturnValue().Set(scope.Escape(Nan::Undefined()));
          }
  
        v8::Local<v8::Value> to;
  // start convert_to_v8 block
      if (result != NULL) {
        v8::Local<v8::Array> owners = Nan::New<Array>(0);
              Nan::Set(owners, owners->Length(), info.This());
            to = GitOid::New(
          result,
          true
            , owners
         );
     }
    else {
      to = Nan::Null();
    }
    // end convert_to_v8 block
          return info.GetReturnValue().Set(scope.Escape(to));
    }
  }
      // force base class template instantiation, to make sure we get all the
  // methods, statics, etc.
  template class NodeGitWrapper<GitCommitTraits>;
   