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coala v0.8.0 Release Notes

Release Date: 2016-08-22 // over 7 years ago

  • coala 0.8.0 - grizzly

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    🚀 For this release, we have had 46 developers from around the world contributing
    over 150 commits in the last 9 weeks.

    Improving the API available for bear writers is one of the areas we've focused
    🚀 on for this release, with several new and exciting features. General performance
    has also been improved heavily with some major changes under the hood. The
    📚 documentation has also been worked on, with an emphasis on user-friendliness
    and design.

    There have also been major internal changes in preparation for the complete
    decentralization of bears, which would allow the installation of individual
    bears.

    🚀 Below are some of the important changes introduced for this release:

    🆕 New Features

    • 👍 coala now supports syntax highlighting in results!
    • 🖨 Questions are now printed in color; this will improve visibility when a lot
      of text is written to the screen.
    • 👍 coala-json now supports --show-bears and --filter-by-language
    • ➕ Added a --show-capabilities flag that displays the types of issues coala
      can detect and fix for a particular language.
    • Display the line number when a line is missing; this could happen if a bear
      that had run previously overwrites it.

    For Bear Writers

    • Bears now have a new REQUIREMENTS attribute which will be used to
      automatically resolve bear dependencies. This includes:
      • Native requirements (from package managers such as apt-get, dnf, pacman, ...)
      • Conda requirements
      • Python requirements through pip
      • go requirements
      • Ruby requirements through gem
      • NodeJS requirements through npm
      • RScript requirements
      • Julia requirements
    • 📚 Language independent documentation parsing routines: these can be used to
      📚 make bears for linting documentation without having to worry about the
      language.
    • 👍 coalang now supports C, C++, CSS, Java, Python3 and Vala.
    • 🚀 A new bear creation tool has been released: with this tool, it's easier than
      👕 ever before to create external linter based bears for coala!
    • A new ASCIINEMA_URL attribute has been added to bears. This should
      contain an URL to an asciinema video displaying the bear's capabilities in action.
    • Bear results may now have a confidence parameter: this is supposed to
      quantify the confidence, on a scale of 1 to 100, the bear has when flagging results.
    • 🗄 A deprecate_settings decorator has been created to deprecate old,
      👀 unsupported bear parameters. Please see
      here
      for an example usage.
    • 🛠 Code Simplification has been added to the set of possible fixes that
      bears can offer.

    🐛 Bug Fixes

    • 🛠 Fixed an issue where errors were generated for lines containing only a
      single tab character. Issue #2180
    • 🛠 Fixed an issue with question where stray escape characters may be present.
      Issue #2546
    • Group questions about missing values in a coafile by bears.
      Issue #2530
    • 👻 An issue where an exception was raised wrongly when the same diff was
      🛠 generated multiple times has been fixed.
      PR #2465

    🐎 Performance

    • 🐎 Caching is now enabled by default. This is a huge performance improvement
      👀 for HDD users - we've seen a 2x improvement when coala is run on coala.
      To disable caching run coala with the --disable-caching flag.
    • 🖨 An issue where coala takes over 2 seconds to print the help manual through
      🛠 --help has been fixed.
      Issue #2344
    • 🐎 A small performance improvement from reusing already loaded file contents.

    📚 Documentation

    • A complete overhaul to the README page with a focus on design and
      readability.
    • ✅ A new FAQ page has
      been created.
    • 📚 Various other documentation pages have been improved with new resources,
      👍 better explanations, and some corrections.
    • 📚 The whole documentation has been moved to a
      📚 separate repository.
      📚 Please file any documentation related issues over there.

    Regressions

    • ⬇️ Dropped Python 3.3 support

    Internal Changes

    • There has been a shift of several modules from coala to
      coala-utils. This includes the whole
      StringProcessing library, ContextManagers, and some decorators.