$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace-x11.git /var/lib/mock/f41-build-858131-168313/root/chroot_tmpdir/scmroot/plasma-workspace-x11
Cloning into '/var/lib/mock/f41-build-858131-168313/root/chroot_tmpdir/scmroot/plasma-workspace-x11'...
$ git fetch origin 97971739c367fbdc573087b4cf320222ef576d62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace-x11
 * [new ref]         97971739c367fbdc573087b4cf320222ef576d62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9797173 Update to 6.2.1.1.