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Running Linters Locally
=======================
You can run all the various linters in the tree using the ``mach lint`` command. Simply pass in the
directory or file you wish to lint (defaults to current working directory):
.. parsed-literal::
./mach lint path/to/files
Multiple paths are allowed:
.. parsed-literal::
./mach lint path/to/foo.js path/to/bar.py path/to/dir
``Mozlint`` will automatically determine which types of files exist, and which linters need to be run
against them. For example, if the directory contains both JavaScript and Python files then mozlint
will automatically run both ESLint and Flake8 against those files respectively.
To restrict which linters are invoked manually, pass in ``-l/--linter``:
.. parsed-literal::
./mach lint -l eslint path/to/files
Finally, ``mozlint`` can lint the files touched by a set of revisions or the working directory using
the ``-r/--rev`` and ``-w/--workdir`` arguments respectively. These work both with mercurial and
git. In the case of ``--rev`` the value is passed directly to the underlying vcs, so normal revision
specifiers will work. For example, say we want to lint all files touched by the last three commits.
In mercurial, this would be:
.. parsed-literal::
./mach lint -r ".~2::."
In git, this would be:
.. parsed-literal::
./mach lint -r "HEAD~2 HEAD"
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