$ git clone -n https://src.fedoraproject.org/rpms/synfigstudio.git /var/lib/mock/f40-build-1512045-23908/root/chroot_tmpdir/scmroot/synfigstudio
Cloning into '/var/lib/mock/f40-build-1512045-23908/root/chroot_tmpdir/scmroot/synfigstudio'...
$ git fetch origin 4795039ef0a898d650eb7dae38c1910da63877ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/synfigstudio
 * [new ref]         4795039ef0a898d650eb7dae38c1910da63877ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4795039 Add ppc64le builds