$ git clone -n https://src.fedoraproject.org/rpms/virt-backup.git /var/lib/mock/f40-build-2044803-48746/root/chroot_tmpdir/scmroot/virt-backup
Cloning into '/var/lib/mock/f40-build-2044803-48746/root/chroot_tmpdir/scmroot/virt-backup'...
$ git fetch origin fed7efe5d05c7afbaf83e13fc24560bed7a82175:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-backup
 * [new ref]         fed7efe5d05c7afbaf83e13fc24560bed7a82175 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fed7efe Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild