$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace.git /var/lib/mock/f41-build-1023963-18174/root/chroot_tmpdir/scmroot/plasma-workspace
Cloning into '/var/lib/mock/f41-build-1023963-18174/root/chroot_tmpdir/scmroot/plasma-workspace'...
$ git fetch origin db223365183c9a895483b0e9fa2dfbdd2a2928bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace
 * [new ref]         db223365183c9a895483b0e9fa2dfbdd2a2928bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db22336 6.1.0