$ git clone -n https://src.fedoraproject.org/rpms/php-symfony3.git /var/lib/mock/f41-build-2566723-25532/root/chroot_tmpdir/scmroot/php-symfony3
Cloning into '/var/lib/mock/f41-build-2566723-25532/root/chroot_tmpdir/scmroot/php-symfony3'...
$ git fetch origin 91ef4fc0c4e01d8cb7fb638e54fe7bbf8356457a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-symfony3
 * [new ref]         91ef4fc0c4e01d8cb7fb638e54fe7bbf8356457a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91ef4fc Retired: Long term failure to build