anchor.diff:  
     src = fetchurl {
       url = "https://github.com/bazelbuild/bazel/releases/download/${version}/bazel-${version}-dist.zip";
  -    sha256 = "0asmq3kxnl4326zhgh13mvcrc8jvmiswjj4ymrq0943q4vj7nwrb";
  +    sha256 = "1jdb8zbgafhz2qi0ajk34845kpmfhxchdimvwkq6lkb1159v0mr1";
     };
   
     sourceRoot = ".";
   
  +  # Bazel expects several utils to be available in Bash even without PATH. Hence this hack.
  +
  +  customBash = writeScriptBin "bash" ''
  +    #!${stdenv.shell}
  +    PATH="$PATH:${lib.makeBinPath [ coreutils ]}" exec ${bash}/bin/bash "$@"
  +  '';
  +
     postPatch = ''
  -    for f in $(grep -l -r '#!/bin/bash'); do
  -      substituteInPlace "$f" --replace '#!/bin/bash' '#!${bash}/bin/bash'
  +    find src/main/java/com/google/devtools -type f -print0 | while IFS="" read -r -d "" path; do
  +      substituteInPlace "$path" \
  +        --replace /bin/bash ${customBash}/bin/bash \
  +        --replace /usr/bin/env ${coreutils}/bin/env
       done
  -    for f in \
  -      src/main/java/com/google/devtools/build/lib/analysis/CommandHelper.java \
  -      src/main/java/com/google/devtools/build/lib/bazel/rules/BazelConfiguration.java \
  -      src/main/java/com/google/devtools/build/lib/bazel/rules/sh/BazelShRuleClasses.java \
  -      src/main/java/com/google/devtools/build/lib/rules/cpp/LinkCommandLine.java \
  -      ; do
  -      substituteInPlace "$f" --replace /bin/bash ${bash}/bin/bash
  -    done
  +    patchShebangs .
     '';
   
     buildInputs = [
  -    stdenv.cc
  -    stdenv.cc.cc.lib
       jdk
  +  ];
  +
  +  nativeBuildInputs = [
       zip
  +    python
       unzip
       makeWrapper
       which
  -  ];
  -
  -  # These must be propagated since the dependency is hidden in a compressed
  -  # archive.
  -
  -  propagatedBuildInputs = [
  -    bash
  +    customBash
     ];
   
     # If TMPDIR is in the unpack dir we run afoul of blaze's infinite symlink
  
positive.code: { stdenv, fetchurl, jdk, zip, unzip, bash, makeWrapper, which }:
  
  stdenv.mkDerivation rec {
  
    version = "0.4.5";
  
    meta = with stdenv.lib; {
      homepage = https://github.com/bazelbuild/bazel/;
      description = "Build tool that builds code quickly and reliably";
      license = licenses.asl20;
      maintainers = [ maintainers.philandstuff ];
  
negative.code:   installPhase = ''
      mkdir -p $out/bin
      mv output/bazel $out/bin
      wrapProgram "$out/bin/bazel" --prefix PATH : "${lib.makeBinPath [ stdenv.cc jdk ]}"
      mkdir -p $out/share/bash-completion/completions $out/share/zsh/site-functions
      mv output/bazel-complete.bash $out/share/bash-completion/completions/
      cp scripts/zsh_completion/_bazel $out/share/zsh/site-functions/
  