$ git clone -n https://src.fedoraproject.org/rpms/vorbis-tools.git /var/lib/mock/f29-build-4409-1037/root/thebuilddir/tmp/scmroot/vorbis-tools
Cloning into '/var/lib/mock/f29-build-4409-1037/root/thebuilddir/tmp/scmroot/vorbis-tools'...
$ git reset --hard f2a74bb2b087533d37d94b3f3599bfa150eda0ed
HEAD is now at f2a74bb add explicit BR for the gcc compiler