$ git clone -n https://src.fedoraproject.org/rpms/kf6-krunner.git /var/lib/mock/f42-build-863355-171641/root/chroot_tmpdir/scmroot/kf6-krunner
Cloning into '/var/lib/mock/f42-build-863355-171641/root/chroot_tmpdir/scmroot/kf6-krunner'...
$ git fetch origin 6eace122f1234a628331b4d5bb00fca901d161c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-krunner
 * [new ref]         6eace122f1234a628331b4d5bb00fca901d161c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6eace12 Frameworks 6.9