$ git clone -n https://src.fedoraproject.org/rpms/synfigstudio.git /var/lib/mock/f40-build-1968444-25218/root/chroot_tmpdir/scmroot/synfigstudio
Cloning into '/var/lib/mock/f40-build-1968444-25218/root/chroot_tmpdir/scmroot/synfigstudio'...
$ git fetch origin f230e604306019a419d9d7d0116288e4591f3154:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/synfigstudio
 * [new ref]         f230e604306019a419d9d7d0116288e4591f3154 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f230e60 1.5.2