$ git clone -n https://src.fedoraproject.org/rpms/php-kissifrot-php-ixr.git /var/lib/mock/f45-build-27910-626/root/chroot_tmpdir/scmroot/php-kissifrot-php-ixr
Cloning into '/var/lib/mock/f45-build-27910-626/root/chroot_tmpdir/scmroot/php-kissifrot-php-ixr'...
$ git fetch origin c87e28afd07ad8e2e68a64310d6ce2ebae11a72e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-kissifrot-php-ixr
 * [new ref]         c87e28afd07ad8e2e68a64310d6ce2ebae11a72e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c87e28a Update to v1.8.5