$ git clone -n https://src.fedoraproject.org/rpms/mcabber.git /var/lib/mock/f40-build-790467-136592/root/chroot_tmpdir/scmroot/mcabber
Cloning into '/var/lib/mock/f40-build-790467-136592/root/chroot_tmpdir/scmroot/mcabber'...
$ git fetch origin d8c0e05e97de7df15631bd6ee5fffb65f363291b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mcabber
 * [new ref]         d8c0e05e97de7df15631bd6ee5fffb65f363291b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8c0e05 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild