$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace-x11.git /var/lib/mock/f41-build-1195680-22273/root/chroot_tmpdir/scmroot/plasma-workspace-x11
Cloning into '/var/lib/mock/f41-build-1195680-22273/root/chroot_tmpdir/scmroot/plasma-workspace-x11'...
$ git fetch origin 05dc2ebcf45b9bfef94d40a85e543e52de859840:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace-x11
 * [new ref]         05dc2ebcf45b9bfef94d40a85e543e52de859840 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05dc2eb Update to 6.1.1.