$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-complexity.git /var/lib/mock/f40-build-2141486-50851/root/chroot_tmpdir/scmroot/php-sebastian-complexity
Cloning into '/var/lib/mock/f40-build-2141486-50851/root/chroot_tmpdir/scmroot/php-sebastian-complexity'...
$ git fetch origin 62e2c7d8e662e9c49bf0a81c01672662981c8c8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-complexity
 * [new ref]         62e2c7d8e662e9c49bf0a81c01672662981c8c8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62e2c7d update to 2.0.3