$ git clone -n https://src.fedoraproject.org/rpms/cosmic-monitor.git /var/lib/mock/f45-build-39624-750/root/chroot_tmpdir/scmroot/cosmic-monitor
Cloning into '/var/lib/mock/f45-build-39624-750/root/chroot_tmpdir/scmroot/cosmic-monitor'...
$ git fetch origin 566663ab16900ef7385f7c1a74432de3abf0525a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cosmic-monitor
 * [new ref]         566663ab16900ef7385f7c1a74432de3abf0525a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 566663a Update to 1.8.0