$ git clone -n https://src.fedoraproject.org/rpms/multicat.git /var/lib/mock/f40-build-746545-112718/root/chroot_tmpdir/scmroot/multicat
Cloning into '/var/lib/mock/f40-build-746545-112718/root/chroot_tmpdir/scmroot/multicat'...
$ git fetch origin 42b8cff938ba385f0767b299bddd09f01ca743d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/multicat
 * [new ref]         42b8cff938ba385f0767b299bddd09f01ca743d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42b8cff Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild