$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-yaml.git /var/lib/mock/f29-build-3752-949/root/thebuilddir/tmp/scmroot/php-pecl-yaml
Cloning into '/var/lib/mock/f29-build-3752-949/root/thebuilddir/tmp/scmroot/php-pecl-yaml'...
$ git reset --hard 8b9eb14a19f343d69522c0b89b4fad1c6cd1d084
HEAD is now at 8b9eb14 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild