releases/README.rst
2013-10-04 21:22:18 -07:00

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Releases, a Sphinx changelog tool
=================================
About
=====
Releases is a `Sphinx <http://sphinx-doc.org>`_ extension designed to help you
keep a source control friendly, merge friendly changelog file & turn it into
useful, human readable HTML output.
Specifically:
* The source format (kept in your Sphinx tree as ``changelog.rst``) is a
stream-like timeline that plays well with source control & only requires one
entry per change (even for changes that exist in multiple release lines).
* The output (when you have the extension installed and run your Sphinx build
command) is a traditional looking changelog page with a section for every
release; multi-release issues are copied automatically into each release.
* By default, feature and support issues are only displayed under feature
releases, and bugs are only displayed under bugfix releases. This can be
overridden on a per-issue basis.
Some background on why this tool was created can be found in `this blog post
<http://bitprophet.org/blog/2013/09/14/a-better-changelog/>`_.
Usage
=====
Mimic the format seen `in Fabric's changelog
<https://raw.github.com/fabric/fabric/master/docs/changelog.rst>`_:
* Install ``releases`` and update your Sphinx ``conf.py`` to include it in the
``extensions`` list setting: ``extensions = ['releases']``.
* Also set the ``releases_release_uri`` and ``releases_issue_uri`` top
level options - they determine the targets of the issue & release links
in the HTML output. Both should have an unevaluated ``%s`` where the
release/issue number would go.
* See `Fabric's docs/conf.py
<https://github.com/fabric/fabric/blob/4afd33e971f1c6831cc33fd3228013f7484fbe35/docs/conf.py#L31>`_
for an example.
* Create a Sphinx document named ``changelog.rst`` with a top-level header
followed by a bulleted list.
* Bullet list items should use the ``:support:``, ``:feature:`` or ``:bug:``
roles to mark issues, or ``:release:`` to mark a release. These special roles
must be the first element in each list item.
* Line-items that do not start with an issue role will be considered
bugs (both in terms of inclusion in releases, and formatting) and,
naturally, will not be given a hyperlink.
* Issue roles are of the form ``:type:`number[ keyword]```. Keywords are
optional and may be one of:
* ``backported``: Given on support or feature issues to denote
backporting to bugfix releases; will show up in both release types.
* ``major``: Given on bug issues to denote inclusion in feature, instead
of bugfix, releases.
* Regular Sphinx content may be given after issue roles and will be preserved
as-is when rendering. For example, in ``:bug:`123` Fixed a bug, thanks
`@somebody`!``, the rendered changelog will preserve/render "Fixed a bug,
thanks ``@somebody``!" after the issue link.
* Release roles are of the form ``:release:`number <date>```. Do not place any
additional content after release roles.
Then build your docs; in the rendered output, ``changelog.html`` should show
issues grouped by release, as per the above rules. Example: `Fabric's rendered
changelog <http://docs.fabfile.org/en/latest/changelog.html>`_.
Changes
=======
In a fit of irony, Releases is too simple for a full Sphinx doc treatment (or
for multiple release lines) and thus doesn't use itself. Here's a by-hand
changelog:
* 2013.10.04: **0.2.4**:
* Handful of typos, doc tweaks & addition of a .gitignore file. Thanks to
Markus Zapke-Gründemann.
* Fix duplicate display of "bare" (not prefixed with an issue role)
changelog entries. Thanks again to Markus.
* Edited the README/docs to be clearer about how Releases works/operates.
* Explicitly documented how non-role-prefixed line items are preserved.
* Updated non-role-prefixed line items so they get prefixed with a '[Bug]'
signifier (since they are otherwise treated as bugfix items.)
* 2013.09.16: **0.2.3**:
* Fix a handful of bugs in release assignment logic.
* 2013.09.15: **0.2.2**:
* Python 3 compatibility.
* 2013.09.15: **0.2.1**:
* Fixed a stupid bug causing invalid issue hyperlinks.
* Added this README.
* 2013.09.15: **0.2.0**:
* Basic functionality.
TODO
====
* Tests would be nice.
* Migrate to a directive-driven (vs role-driven) format? Existing format
evolved from a purely role-oriented, prose-embedded setup; roles are no
longer really the right way to do this.
* Pro: possibly cleaner code + source formatting
* Con: possibly more verbose source formatting if I can't compact things
enough. Going from 1 line minimum to a, say, 3 or 4 line minimum per
entry is not (IMHO) acceptable.
* Possibly add more keywords to allow control over additional edge cases.
* Add shortcut format option for the release/issue URI settings - GitHub users
can just give their GitHub acct/repo and we will fill in the rest.
* Maybe say pre-1.0 releases consider all bugs 'major' (so one can e.g. put out
an 0.4.0 which is all bugfixes). Iffy because what if you *wanted* regular
feature-vs-bugfix releases pre-1.0? (which is common.)
* Allow skipping the actual issue number link somehow, sometimes you just don't
have an issue and it's stupid to make one.