$ git clone -n https://src.fedoraproject.org/rpms/wkhtmltopdf.git /var/lib/mock/f29-build-4438-1040/root/thebuilddir/tmp/scmroot/wkhtmltopdf
Cloning into '/var/lib/mock/f29-build-4438-1040/root/thebuilddir/tmp/scmroot/wkhtmltopdf'...
$ git reset --hard dad269ba0668823c565e013d8281084ac59ff868
HEAD is now at dad269b - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild