git: remove code for upgrading from Git notes
@@ -34,8 +34,6 @@ use crate::stacked_table::{TableSegment, TableStore};
const HASH_LENGTH: usize = 20;
/// Ref namespace used only for preventing GC.
const NO_GC_REF_NAMESPACE: &str = "refs/jj/keep/";
-/// Notes ref for commit metadata
-const COMMITS_NOTES_REF: &str = "refs/notes/jj/commits";
const CONFLICT_SUFFIX: &str = ".jjconflict";
impl From<git2::Error> for BackendError {
@@ -93,35 +91,6 @@ impl GitBackend {
let git_repo_path_str = String::from_utf8(buf).unwrap();
let git_repo_path = store_path.join(git_repo_path_str).canonicalize().unwrap();
let repo = git2::Repository::open(git_repo_path).unwrap();
- // TODO: Delete this migration code in early 2022 or so
- if let Ok(notes) = repo.notes(Some(COMMITS_NOTES_REF)) {
- let extra_path = store_path.join("extra");
- let extra_metadata_store = if std::fs::create_dir(&extra_path).is_ok() {
- // It's fine if it already exists. That probably means that we have already done
- // a migration but the user ran an old version in the repo
- // afterwards, which resulted in more notes to migrate.
- TableStore::init(extra_path, HASH_LENGTH)
- } else {
- TableStore::load(extra_path, HASH_LENGTH)
- };
- let mut mut_table = extra_metadata_store.get_head().unwrap().start_mutation();
- println!(
- "Found Git notes ref {}, migrating it to a new format...",
- COMMITS_NOTES_REF
- );
- for note in notes {
- let (note_id, commit_id) = note.unwrap();
- let note = repo.find_blob(note_id).unwrap();
- let note_bytes = hex::decode(note.content()).unwrap();
- mut_table.add_entry(commit_id.as_bytes().to_vec(), note_bytes);
- }
- extra_metadata_store.save_table(mut_table).unwrap();
- repo.find_reference(COMMITS_NOTES_REF)
- .unwrap()
- .delete()
- .unwrap();
- println!("Migration complete");
- }
let extra_metadata_store = TableStore::load(store_path.join("extra"), HASH_LENGTH);
GitBackend::new(repo, extra_metadata_store)
}
