This page outlines the debian/meta/ directory contents used by CI systems to create builds. The foremost reason the metadata is stored in debian/, and thus in a branch dependent manner, is because data might be different on a per-branch basis.
debian/meta/ can be present and useful for release branches if they are also subject to automation.
Single-line file containing the full upstream repository URL. May contain a final newline, scripts should strip accordingly when reading the file as a whole.
Valid json data. Format dependent on file.
single-line :: URL to upstream source repository.
single-line :: URL to upstream source branch in repository.
single-line :: URL to upstream tarball (only useful for release branches - currently not used).
json :: An array of cmake-dependency identifiers to ignore when reported as missing.