$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-worktree.git /var/lib/mock/f45-build-42043-788/root/chroot_tmpdir/scmroot/rust-gix-worktree
Cloning into '/var/lib/mock/f45-build-42043-788/root/chroot_tmpdir/scmroot/rust-gix-worktree'...
$ git fetch origin 4d44c0931afd805fbc2a1f82459c19c467dc70d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-worktree
 * [new ref]         4d44c0931afd805fbc2a1f82459c19c467dc70d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d44c09 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild