$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-worktree.git /var/lib/mock/f40-build-2532916-61847/root/chroot_tmpdir/scmroot/rust-gix-worktree
Cloning into '/var/lib/mock/f40-build-2532916-61847/root/chroot_tmpdir/scmroot/rust-gix-worktree'...
$ git fetch origin c12dcf41c8896f34d0522b198b79dcc9871ff982:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-worktree
 * [new ref]         c12dcf41c8896f34d0522b198b79dcc9871ff982 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c12dcf4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild