$ git clone -n https://src.fedoraproject.org/rpms/cloudcompare.git /var/lib/mock/f42-build-862945-171273/root/chroot_tmpdir/scmroot/cloudcompare
Cloning into '/var/lib/mock/f42-build-862945-171273/root/chroot_tmpdir/scmroot/cloudcompare'...
$ git fetch origin bea29601c7809c9c78c7497fb08cae2cb301e2e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cloudcompare
 * [new ref]         bea29601c7809c9c78c7497fb08cae2cb301e2e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bea2960 Rebuild (gdal)