$ git clone -n https://src.fedoraproject.org/rpms/BackupPC.git /var/lib/mock/f40-build-791780-137740/root/chroot_tmpdir/scmroot/BackupPC
Cloning into '/var/lib/mock/f40-build-791780-137740/root/chroot_tmpdir/scmroot/BackupPC'...
$ git fetch origin d257177f62f22c3020f9dba22dda7fd80832f374:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/BackupPC
 * [new ref]         d257177f62f22c3020f9dba22dda7fd80832f374 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d257177 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild