$ git clone -n https://src.fedoraproject.org/rpms/certmonger.git /var/lib/mock/f45-build-6679-350/root/chroot_tmpdir/scmroot/certmonger
Cloning into '/var/lib/mock/f45-build-6679-350/root/chroot_tmpdir/scmroot/certmonger'...
$ git fetch origin 791fa31cb334738d678565959207e811ae323389:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/certmonger
 * [new ref]         791fa31cb334738d678565959207e811ae323389 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 791fa31 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild