$ git clone -n https://src.fedoraproject.org/rpms/ksanecore.git /var/lib/mock/f42-build-side-1-3540441-46574/root/chroot_tmpdir/scmroot/ksanecore
Cloning into '/var/lib/mock/f42-build-side-1-3540441-46574/root/chroot_tmpdir/scmroot/ksanecore'...
$ git fetch origin 618e56a350b067a190ddad39bcd1ae03cfb330d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksanecore
 * [new ref]         618e56a350b067a190ddad39bcd1ae03cfb330d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 618e56a 25.04.2