$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-redis6.git /var/lib/mock/f42-build-862841-171168/root/chroot_tmpdir/scmroot/php-pecl-redis6
Cloning into '/var/lib/mock/f42-build-862841-171168/root/chroot_tmpdir/scmroot/php-pecl-redis6'...
$ git fetch origin b588db771e2a5cb9dd9a007b4200b57a2209eba9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-redis6
 * [new ref]         b588db771e2a5cb9dd9a007b4200b57a2209eba9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b588db7 sync with c10s, ignore 1 ONLINE test