$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-rrd.git /var/lib/mock/f40-build-2244147-53701/root/chroot_tmpdir/scmroot/php-pecl-rrd
Cloning into '/var/lib/mock/f40-build-2244147-53701/root/chroot_tmpdir/scmroot/php-pecl-rrd'...
$ git fetch origin 7c9786ce95b2a6581cacde561e1a0816dc49ebb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-rrd
 * [new ref]         7c9786ce95b2a6581cacde561e1a0816dc49ebb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c9786c rebuild for https://fedoraproject.org/wiki/Changes/php83