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CHANGELOG.md

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Changelog

0.3.0

Per-function lint support

  • Adds support for @lint attributes used to configure linting for specific functions.

    For now, this lets you exclude functions completely

    @lint false
def my_fun do
end

    or deactivate specific checks with the same syntax used in the config file:

    @lint {Credo.Check.Design.TagTODO, false}
def my_fun do
end

    or use a Regex instead of the check module to exclude multiple checks at once:

    @lint {~r/Refactor/, false}
def my_fun do
end

    Finally, you can supply multiple tuples as a list and combine the above:

    @lint [{Credo.Check.Design.TagTODO, false}, {~r/Refactor/, false}]
def my_fun do
end

New Checks

  • consistency/space_around_operators
  • consistency/space_in_parentheses

Minor Improvements

  • Add --format CLI switch
  • Include experimental Flycheck support via --format=flycheck
  • Deprecate --one-line CLI switch, use --format=oneline instead
  • Add convenience alias --ignore for --ignore-checks
  • Fix colors for terminals with light backgrounds (thx @lucasmazza)

0.2.6

  • Fix false positives for UnusedEnumOperation checks (thx @kbaird)

0.2.5

  • Fix error occuring when a project has exactly one defexception module
  • Change the tag for Refactoring Opportunities from "[R]" to "[F]" (thx @rranelli)

0.2.4

  • Remove unused alias to avoid warning during compilation

0.2.3

  • Improves docs and UI wording (thx @crack and @jessejanderson)

0.2.2

  • Adds a missing word to the output of the categories command (thx @bakkdoor)

0.2.1

  • Fixes a problem with CaseTrivialMatches crashing

0.2.0

Error Status

Credo now fails with an exit status != 0 if it shows any issues. This will enable usage of Credo inside CI systems/build chains.

The exit status of each check is customizable and exit statuses of all encountered checks are collected, uniqued and summed:

issues
|> Enum.map(&(&1.exit_status))
|> Enum.uniq
|> Enum.reduce(0, &(&1+&2))

This way you can reason about the encountered issues right from the exit status.

Default values for the checks are based on their category:

consistency:  1
design:       2
readability:  4
refactor:     8
warning:     16

So an exit status of 12 tells you that you have only Readability Issues and Refactoring Opportunities, but e.g. no Warnings.

New Checks

  • readability/module_doc
  • refactor/case_trivial_matches
  • refactor/cond_statements
  • refactor/function_arity
  • refactor/match_in_condition
  • refactor/pipe_chain_start
  • warning/operation_with_constant_result
  • warning/unused_enum_operation
  • warning/unused_keyword_operation
  • warning/unused_list_operation
  • warning/unused_tuple_operation

Minor Improvements

  • There are two new aliases for command line switches:
    • you can use --only as alias for --checks
    • you can use --strict as alias for --all-priorities
  • mix credo --only <checkname> will always display a full list of results (you no longer need to specify --all separately)
  • mix credo explain <file:line_number> now also explains the available configuration parameters for the issue/check
  • The ExceptionNames check no longer fails if only a single exception module is found (#22).

0.1.10

  • Apply many fixes in anticipation of Elixir v1.2 (thx @c-rack)
  • Improve docs
  • Wrap long issue descriptions in suggest command

0.1.9

  • Add missing -A alias for --all-priorities
  • Improve wording in the CLI a bit

0.1.8

  • Add apps/ to default directories

0.1.7

  • Bugfix to NameRedeclarationBy\* checks
  • Sources.exclude had a bug when excluding directories

0.1.6

  • Rename CLI switch --pedantic to --all-priorities (alias is -A)
  • Fix a bug in SourceFile.column (#7)
  • Improve README section about basic usage, commands and issues

0.1.1 - 0.1.5

Multiple Hex releases due to the fact that I apparently don't understand how deps compilation works 😓

0.1.0

Initial release