$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-rrd.git /var/lib/mock/f45-build-28121-628/root/chroot_tmpdir/scmroot/php-pecl-rrd
Cloning into '/var/lib/mock/f45-build-28121-628/root/chroot_tmpdir/scmroot/php-pecl-rrd'...
$ git fetch origin 9b96bd2817677637d05248bf6e1c6bdfe02d35ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-rrd
 * [new ref]         9b96bd2817677637d05248bf6e1c6bdfe02d35ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b96bd2 update to 2.0.4