$ git clone -n https://src.fedoraproject.org/rpms/zbar.git /var/lib/mock/f39-build-1540362-36472/root/chroot_tmpdir/scmroot/zbar
Cloning into '/var/lib/mock/f39-build-1540362-36472/root/chroot_tmpdir/scmroot/zbar'...
$ git fetch origin 8304c4ae98a7366ee455fe15987e53b4b566dd13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zbar
 * [new ref]         8304c4ae98a7366ee455fe15987e53b4b566dd13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8304c4a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild