Resolve metadata paths through Git and watch ref directories so unchanged
builds remain fresh while packed-to-loose branch updates refresh the
embedded version. Track both private and shared reftable stores.
Add Cargo invalidation regressions for ordinary clones, linked worktrees,
branch and tag changes, detached HEAD, and source archives. Preserve the
existing version calculation and protobuf generation.
Signed-off-by: Shiju <shiju@nvidia.com>
Shiju
3ef9769b62