$ git clone -n https://src.fedoraproject.org/rpms/plasma-systemsettings.git /var/lib/mock/f40-build-2511612-61712/root/chroot_tmpdir/scmroot/plasma-systemsettings
Cloning into '/var/lib/mock/f40-build-2511612-61712/root/chroot_tmpdir/scmroot/plasma-systemsettings'...
$ git fetch origin 4fc0050d8754219d3eb92ecfb79398e29af8eb95:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-systemsettings
 * [new ref]         4fc0050d8754219d3eb92ecfb79398e29af8eb95 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fc0050 6.0.1