$ git clone -n https://src.fedoraproject.org/rpms/plasma-workspace.git /var/lib/mock/f41-build-1054056-19289/root/chroot_tmpdir/scmroot/plasma-workspace
Cloning into '/var/lib/mock/f41-build-1054056-19289/root/chroot_tmpdir/scmroot/plasma-workspace'...
$ git fetch origin 0997c987b21bd3eb45e33cd63f702b51ea90fdfb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-workspace
 * [new ref]         0997c987b21bd3eb45e33cd63f702b51ea90fdfb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0997c98 fix: rebuild