$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-xdebug3.git /var/lib/mock/f42-build-866150-173736/root/chroot_tmpdir/scmroot/php-pecl-xdebug3
Cloning into '/var/lib/mock/f42-build-866150-173736/root/chroot_tmpdir/scmroot/php-pecl-xdebug3'...
$ git fetch origin e3268b8ac1957b80ebd8926399367d3616a1e85d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-xdebug3
 * [new ref]         e3268b8ac1957b80ebd8926399367d3616a1e85d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e3268b8 v3.4.1