$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-code-unit2.git /var/lib/mock/f40-build-2221811-52691/root/chroot_tmpdir/scmroot/php-sebastian-code-unit2
Cloning into '/var/lib/mock/f40-build-2221811-52691/root/chroot_tmpdir/scmroot/php-sebastian-code-unit2'...
$ git fetch origin f2381313f103e2b2edf667d6de2235119e36df97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-code-unit2
 * [new ref]         f2381313f103e2b2edf667d6de2235119e36df97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f238131 enable test suite