$ git clone -n https://src.fedoraproject.org/rpms/conmon-v3.git /var/lib/mock/f45-build-5189-338/root/chroot_tmpdir/scmroot/conmon-v3
Cloning into '/var/lib/mock/f45-build-5189-338/root/chroot_tmpdir/scmroot/conmon-v3'...
$ git fetch origin 288119f19c613cac914454d550a3867adc6e0938:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/conmon-v3
 * [new ref]         288119f19c613cac914454d550a3867adc6e0938 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 288119f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild