$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-redis5.git /var/lib/mock/f40-build-733819-105472/root/chroot_tmpdir/scmroot/php-pecl-redis5
Cloning into '/var/lib/mock/f40-build-733819-105472/root/chroot_tmpdir/scmroot/php-pecl-redis5'...
$ git fetch origin f68481d1a4f6d9366882634f4df3d2672ab6a1f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-redis5
 * [new ref]         f68481d1a4f6d9366882634f4df3d2672ab6a1f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f68481d rebuild for https://fedoraproject.org/wiki/Changes/php83