fix: notes merge fallback and retry for busy monorepos#815
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fix: notes merge fallback and retry for busy monorepos#815
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When `git notes merge -s ours` crashes (assertion failure in notes-merge.c due to mixed-fanout trees or version-specific bugs), fall back to a fast-import based merge that produces a clean notes tree in a single process invocation. Also adds a retry loop (up to 3 attempts) for the full fetch-merge-push cycle to handle concurrent push races on busy monorepos where the remote notes ref moves between merge and push. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
cargo fmt, and pass -c user.name/user.email in git_plumbing() so commit-tree works in CI where no global git identity is configured. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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derive_directory_from_url only checked for '/' as a path separator, so on Windows local paths like C:\path\to\repo.git it fell through to the ':' (SCP-like) check and matched the drive letter colon, producing an incorrect target directory. Now checks both '/' and '\\'. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
git notes merge -s ourscrashes (assertion failure in git's notes-merge.c on corrupted/mixed-fanout trees)Test plan
test_push_authorship_notes_survives_corrupted_remote_notes_tree— reproduces the exact assertion crash, verifies fallback succeedstest_push_authorship_notes_retries_on_concurrent_push— simulates concurrent push race, verifies retry loop succeedstest_fetch_and_push_authorship_notes_internal_commands_jsonstill passes🤖 Generated with Claude Code