$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-complexity4.git /var/lib/mock/f42-build-3224721-41158/root/chroot_tmpdir/scmroot/php-sebastian-complexity4
Cloning into '/var/lib/mock/f42-build-3224721-41158/root/chroot_tmpdir/scmroot/php-sebastian-complexity4'...
$ git fetch origin b76a66d6ef7b178ba32f3590670d1521e65b32d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-complexity4
 * [new ref]         b76a66d6ef7b178ba32f3590670d1521e65b32d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b76a66d enable test suite