$ git clone -n https://src.fedoraproject.org/rpms/kf6-ksvg.git /var/lib/mock/f42-build-side-1-3504988-45986/root/chroot_tmpdir/scmroot/kf6-ksvg
Cloning into '/var/lib/mock/f42-build-side-1-3504988-45986/root/chroot_tmpdir/scmroot/kf6-ksvg'...
$ git fetch origin a8c2b47c456a0127eb0fe2dc84cf023194c0b34b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ksvg
 * [new ref]         a8c2b47c456a0127eb0fe2dc84cf023194c0b34b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8c2b47 6.13.0