$ git clone -n https://src.fedoraproject.org/rpms/argus.git /var/lib/mock/f41-build-797422-13658/root/chroot_tmpdir/scmroot/argus
Cloning into '/var/lib/mock/f41-build-797422-13658/root/chroot_tmpdir/scmroot/argus'...
$ git fetch origin 53380420a8d38104271e4f6137f87eee43dee6a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/argus
 * [new ref]         53380420a8d38104271e4f6137f87eee43dee6a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5338042 Eliminate use of obsolete %patchN syntax (#2283636)