$ git clone -n https://src.fedoraproject.org/rpms/php-mock-phpunit2.git /var/lib/mock/f42-build-side-1-3505163-45989/root/chroot_tmpdir/scmroot/php-mock-phpunit2
Cloning into '/var/lib/mock/f42-build-side-1-3505163-45989/root/chroot_tmpdir/scmroot/php-mock-phpunit2'...
$ git fetch origin c9551710923bd8525174758d71e19ea739d968bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-mock-phpunit2
 * [new ref]         c9551710923bd8525174758d71e19ea739d968bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c955171 v2.13.0