Cylc Config Metadata Directive

[wxtim]

Requires cylc/cylc-flow#6275

Writes basic metadata directives to document with

.. cylc_metadata::
   :source: /path/to/workflow

.. cylc_metadata::
   :global: set a CYLC_SITE_CONF_PATH

Check List

• I have read CONTRIBUTING.md and added my name as a Code Contributor.
• Contains logically grouped changes (else tidy your branch by rebase).
• Does not contain off-topic changes (use other PRs for other changes).
• Applied any dependency changes to both setup.cfg (and conda-environment.yml if present).
• Tests are included (or explain why tests are not needed).
• Changelog entry included if this is a change that can affect users
• Cylc-Doc pull request opened if required at cylc/cylc-doc/pull/XXXX.
• If this is a bug fix, PR should be raised against the relevant ?.?.x branch.

[wxtim]

Subprocess is used to decouple licences.

[oliver-sanders]

The --json approach is a nice way to handle this.

[MetRonnie]

#85 will help with tests failures, but will still fail due to hieroglyph

[wxtim]

#85 will help with tests failures, but will still fail due to hieroglyph

PR will never work without cylc/cylc-flow#6275 anyway.