$ git clone -n https://src.fedoraproject.org/rpms/BackupPC.git /var/lib/mock/f39-build-1579029-38013/root/chroot_tmpdir/scmroot/BackupPC
Cloning into '/var/lib/mock/f39-build-1579029-38013/root/chroot_tmpdir/scmroot/BackupPC'...
$ git fetch origin 025d9faadb8b86e636081f0a6892397c863fbf27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/BackupPC
 * [new ref]         025d9faadb8b86e636081f0a6892397c863fbf27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 025d9fa Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild