$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-complexity4.git /var/lib/mock/f42-build-3224709-41155/root/chroot_tmpdir/scmroot/php-sebastian-complexity4
Cloning into '/var/lib/mock/f42-build-3224709-41155/root/chroot_tmpdir/scmroot/php-sebastian-complexity4'...
$ git fetch origin e1ab18a34f294362e2212c1079ff9d02acd5c0a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-complexity4
 * [new ref]         e1ab18a34f294362e2212c1079ff9d02acd5c0a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1ab18a relicense spece to CECILL-1.2