$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-environment8.git /var/lib/mock/f42-build-3224759-41162/root/chroot_tmpdir/scmroot/php-sebastian-environment8
Cloning into '/var/lib/mock/f42-build-3224759-41162/root/chroot_tmpdir/scmroot/php-sebastian-environment8'...
$ git fetch origin 08abdb41e5eb5e50ce83a3fa3bcbef2319d4bf10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-environment8
 * [new ref]         08abdb41e5eb5e50ce83a3fa3bcbef2319d4bf10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 08abdb4 enable tests