$ git clone -n https://src.fedoraproject.org/rpms/kf6-kplotting.git /var/lib/mock/f42-build-3352143-45014/root/chroot_tmpdir/scmroot/kf6-kplotting
Cloning into '/var/lib/mock/f42-build-3352143-45014/root/chroot_tmpdir/scmroot/kf6-kplotting'...
$ git fetch origin 078de86cb29ed5a3c881e7bdc58b9256073bf925:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kplotting
 * [new ref]         078de86cb29ed5a3c881e7bdc58b9256073bf925 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 078de86 6.12.0