$ git clone -n https://src.fedoraproject.org/rpms/recorder.git /var/lib/mock/f42-build-3273285-41310/root/chroot_tmpdir/scmroot/recorder
Cloning into '/var/lib/mock/f42-build-3273285-41310/root/chroot_tmpdir/scmroot/recorder'...
$ git fetch origin c9b99ee61132eb49b74d527a4bf748d3c15b1cd3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/recorder
 * [new ref]         c9b99ee61132eb49b74d527a4bf748d3c15b1cd3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9b99ee Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild