$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-xmldiff.git /var/lib/mock/f29-build-3750-949/root/thebuilddir/tmp/scmroot/php-pecl-xmldiff
Cloning into '/var/lib/mock/f29-build-3750-949/root/thebuilddir/tmp/scmroot/php-pecl-xmldiff'...
$ git reset --hard 1351a0dcef7fadb2eacd0bdd838916d3104664d4
HEAD is now at 1351a0d - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild