$ git clone -n https://src.fedoraproject.org/rpms/codec2.git /var/lib/mock/f42-build-3273322-41310/root/chroot_tmpdir/scmroot/codec2
Cloning into '/var/lib/mock/f42-build-3273322-41310/root/chroot_tmpdir/scmroot/codec2'...
$ git fetch origin 79a422bb367a7e9307b08dc14427bf361f637ca8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/codec2
 * [new ref]         79a422bb367a7e9307b08dc14427bf361f637ca8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 79a422b Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild