$ git clone -n https://src.fedoraproject.org/rpms/plasma-systemsettings.git /var/lib/mock/f38-build-side-42-init-devel-791854-27999/root/chroot_tmpdir/scmroot/plasma-systemsettings
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-791854-27999/root/chroot_tmpdir/scmroot/plasma-systemsettings'...
$ git fetch origin f56afc03768f98babfbdf09954f2ca21079584d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-systemsettings
 * [new ref]         f56afc03768f98babfbdf09954f2ca21079584d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f56afc0 5.27.4