$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-worktree-state.git /var/lib/mock/f38-build-side-43-rust-devel-1420502-31461/root/chroot_tmpdir/scmroot/rust-gix-worktree-state
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1420502-31461/root/chroot_tmpdir/scmroot/rust-gix-worktree-state'...
$ git fetch origin 74ac07651516a528ac18e1267777df97aae5fc27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-worktree-state
 * [new ref]         74ac07651516a528ac18e1267777df97aae5fc27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74ac076 Update to version 0.4.0