$ git clone -n https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style.git /var/lib/mock/f42-build-863344-171641/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style
Cloning into '/var/lib/mock/f42-build-863344-171641/root/chroot_tmpdir/scmroot/kf6-qqc2-desktop-style'...
$ git fetch origin ced1490c8cd14088ae6cce6c955ecfd3e7ec08c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-qqc2-desktop-style
 * [new ref]         ced1490c8cd14088ae6cce6c955ecfd3e7ec08c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ced1490 Frameworks 6.9