$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace-x11.git /var/lib/mock/f45-build-28706-632/root/chroot_tmpdir/scmroot/plasma-workspace-x11
Cloning into '/var/lib/mock/f45-build-28706-632/root/chroot_tmpdir/scmroot/plasma-workspace-x11'...
$ git fetch origin 089f2933ac36c52006d147a05350b603ff8a3780:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace-x11
 * [new ref]         089f2933ac36c52006d147a05350b603ff8a3780 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 089f293 Update to 6.7.5.