$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-event.git /var/lib/mock/f45-build-28051-627/root/chroot_tmpdir/scmroot/php-pecl-event
Cloning into '/var/lib/mock/f45-build-28051-627/root/chroot_tmpdir/scmroot/php-pecl-event'...
$ git fetch origin 6867b7ad573eadc2b63be4aba73133890e5de886:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-event
 * [new ref]         6867b7ad573eadc2b63be4aba73133890e5de886 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6867b7a v3.1.6