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2020-01-18checkstyle: Introduce a Commit classNicolas Dufresne
This introduces a Commit class used in the final revlist list. All the git commands are moved into that class. This class will be used to introduce new types of commit (StagedChanges and Amendment) needed to implement pre-commit hook support. Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-01-18checkstyle: Exit with 1 status if issues are foundNicolas Dufresne
Makes the tool return 1 if there is any potential issues. This is needed when using this tool for pre-commit hook in order to abort the commit process. Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-01-18checkstyle: Move from pep8 to pycodestyleNicolas Dufresne
The tool has been renamed in 2016 to make it more obvious what it is doing. There is no other changes needed on our side. See https://github.com/PyCQA/pycodestyle/issues/466 Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2020-01-07utils: checkstyle.py: Support single line hunksKieran Bingham
The checkstyle script expects hunks to be declared with a start line and line count, however the unified diff format [0] declares that a single line hunk will only have the start line: > If a hunk contains just one line, only its start line number appears. > Otherwise its line numbers look like ‘start,count’. An empty hunk is > considered to start at the line that follows the hunk. [0] https://www.gnu.org/software/diffutils/manual/html_node/Detailed-Unified.html#Detailed-Unified Attempting to parse a single line hunk results in the following error: File "./utils/checkstyle.py", line 110, in __init__ raise RuntimeError("Malformed diff hunk header '%s'" % line) RuntimeError: Malformed diff hunk header '@@ -1 +1,2 @@ The DiffHunk class only makes use of the start line, and does not utilise the line count, thus update the regex to make the unused groups optional. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2020-01-07utils: checkstyle.py: Fix regex string literalKieran Bingham
The checkstyle.py patch has a fault which it identified in itself when updating the regex string. --- utils/checkstyle.py +++ utils/checkstyle.py #105: : W605 invalid escape sequence '\+' + diff_header_regex = re.compile('@@ -([0-9]+)(,[0-9]+)? \+([0-9]+)(,?[0-9]+)? @@') --- 1 potential style issue detected, please review This is documented further at: https://www.flake8rules.com/rules/W605.html Update the string literal prefix to declare a raw byte string for the regex parser. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-10-23utils: checkstyle.py: Add include checkerLaurent Pinchart
Add an include checker to verify usage of the C compatibility headers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-07-04utils: checkstyle.py: Add pep8 checkerKieran Bingham
Process python additions with pep8 and report any errors that are added. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-07-04utils: checkstyle.py: Add Doxygen formatterLaurent Pinchart
Add a formatter for doxygen comments. In its initial implementation the formatter ensures that the first word of a \return statement starts with an uppercase letter. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2019-07-01utils: checkstyle.py: Add meson.build checkerLaurent Pinchart
Add a meson.build checker that warns when tabs are used. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-07-01utils: checkstyle.py: Refactor formatters and checkers supportLaurent Pinchart
Introduce two new base classes for the code formatters and style checkers, with an auto-registration mechanism that automatically uses all derived classes. This will allow easier addition of new formatters and checkers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2019-02-13utils: checkstyle: Catch LOG() usage without an explicit categoryLaurent Pinchart
Add support for checkers not related to code formatting to the checkstyle.py script, and create a first checker that catches usage of the LOG() macro without an explicit category. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2019-01-22utils: checkstyle: Add support for clang-formatLaurent Pinchart
clang-format produces better results than astyle as it can better match the libcamera coding style. Default to clang-format over astyle, fall back to astyle if clang-format isn't found, and add a --formatter command line option to select a formatter manually. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2018-12-21utils: checkstyle: add keep-one-line-blocksKieran Bingham
Enable --keep-one-line-blocks to prevent astyle from wanting to move single inlined blocks to cover 4 lines such as: - virtual int init() { return 0; } + virtual int init() + { + return 0; + } Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2018-12-19utils: checkstyle.py: Strip trailing white spacesLaurent Pinchart
As astyle doesn't strip trailing white spaces, strip them manually. Organize the code to allow for new additional formatting steps if needed. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2018-12-19utils: checkstyle.py: Highlight trailing white space at end of lineLaurent Pinchart
In order to facilitate interpretation of diffs, highlight trailing white space at end of lines with a red background. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2018-12-19utils: checkstyle.py: Support execution from non-root directoriesLaurent Pinchart
The git diff command is invoked with relative paths, which causes git to fail to locate files when the checkstyle.py script is run from subdirectories of the git tree. Fix this by prepending the absolute path to the git tree root directory to the file names. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2018-12-14utils: Add Python-based commit style checker scriptLaurent Pinchart
checkstyle.py is a reimplementation of checkstyle.sh in Python, that should be easier to extend with additional features. Three additional features and enhancements are already implemented: - While retaining the default behaviour of operating on the HEAD commit, a list of commits can also be specified on the command line. - Correct line numbers are printed in the diff output. - The index and working tree are not touched, they can be dirty. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>