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Merge branch 'kn/ci-clang-format' into next
A CI job that use clang-format to check coding style issues in new code has been added. * kn/ci-clang-format: ci/style-check: add `RemoveBracesLLVM` in CI job check-whitespace: detect if no base_commit is provided ci: run style check on GitHub and GitLab clang-format: formalize some of the spacing rules clang-format: avoid spacing around bitfield colon clang-format: indent preprocessor directives after hash
This commit is contained in:
commit
3aca45d08a
@ -72,6 +72,10 @@ AlwaysBreakAfterReturnType: None
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BinPackArguments: true
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BinPackParameters: true
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# Add no space around the bit field
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# unsigned bf:2;
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BitFieldColonSpacing: None
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# Attach braces to surrounding context except break before braces on function
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# definitions.
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# void foo()
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@ -96,6 +100,12 @@ BreakStringLiterals: false
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# Switch statement body is always indented one level more than case labels.
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IndentCaseLabels: false
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# Indents directives before the hash.
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# #if FOO
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# # include <foo>
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# #endif
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IndentPPDirectives: AfterHash
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# Don't indent a function definition or declaration if it is wrapped after the
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# type
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IndentWrappedFunctionNames: false
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@ -108,11 +118,18 @@ PointerAlignment: Right
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# x = (int32)y; not x = (int32) y;
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SpaceAfterCStyleCast: false
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# No space is inserted after the logical not operator
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SpaceAfterLogicalNot: false
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# Insert spaces before and after assignment operators
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# int a = 5; not int a=5;
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# a += 42; a+=42;
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SpaceBeforeAssignmentOperators: true
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# Spaces will be removed before case colon.
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# case 1: break; not case 1 : break;
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SpaceBeforeCaseColon: false
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# Put a space before opening parentheses only after control statement keywords.
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# void f() {
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# if (true) {
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@ -124,6 +141,14 @@ SpaceBeforeParens: ControlStatements
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# Don't insert spaces inside empty '()'
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SpaceInEmptyParentheses: false
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# No space before first '[' in arrays
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# int a[5][5]; not int a [5][5];
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SpaceBeforeSquareBrackets: false
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# No space will be inserted into {}
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# while (true) {} not while (true) { }
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SpaceInEmptyBlock: false
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# The number of spaces before trailing line comments (// - comments).
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# This does not affect trailing block comments (/* - comments).
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SpacesBeforeTrailingComments: 1
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34
.github/workflows/check-style.yml
vendored
Normal file
34
.github/workflows/check-style.yml
vendored
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@ -0,0 +1,34 @@
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name: check-style
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# Get the repository with all commits to ensure that we can analyze
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# all of the commits contributed via the Pull Request.
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on:
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pull_request:
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types: [opened, synchronize]
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# Avoid unnecessary builds. Unlike the main CI jobs, these are not
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# ci-configurable (but could be).
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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check-style:
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env:
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CC: clang
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jobname: ClangFormat
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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with:
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fetch-depth: 0
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- run: ci/install-dependencies.sh
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- name: git clang-format
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continue-on-error: true
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id: check_out
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run: |
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./ci/run-style-check.sh \
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"${{github.event.pull_request.base.sha}}"
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@ -118,8 +118,31 @@ check-whitespace:
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image: ubuntu:latest
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before_script:
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- ./ci/install-dependencies.sh
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# Since $CI_MERGE_REQUEST_TARGET_BRANCH_SHA is only defined for merged
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# pipelines, we fallback to $CI_MERGE_REQUEST_DIFF_BASE_SHA, which should
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# be defined in all pipelines.
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script:
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- ./ci/check-whitespace.sh "$CI_MERGE_REQUEST_TARGET_BRANCH_SHA"
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- |
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R=${CI_MERGE_REQUEST_TARGET_BRANCH_SHA-${CI_MERGE_REQUEST_DIFF_BASE_SHA:?}} || exit
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./ci/check-whitespace.sh "$R"
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rules:
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- if: $CI_PIPELINE_SOURCE == 'merge_request_event'
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check-style:
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image: ubuntu:latest
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allow_failure: true
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variables:
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CC: clang
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jobname: ClangFormat
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before_script:
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- ./ci/install-dependencies.sh
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# Since $CI_MERGE_REQUEST_TARGET_BRANCH_SHA is only defined for merged
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# pipelines, we fallback to $CI_MERGE_REQUEST_DIFF_BASE_SHA, which should
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# be defined in all pipelines.
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script:
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- |
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R=${CI_MERGE_REQUEST_TARGET_BRANCH_SHA-${CI_MERGE_REQUEST_DIFF_BASE_SHA:?}} || exit
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./ci/run-style-check.sh "$R"
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rules:
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- if: $CI_PIPELINE_SOURCE == 'merge_request_event'
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@ -9,7 +9,7 @@ baseCommit=$1
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outputFile=$2
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url=$3
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if test "$#" -ne 1 && test "$#" -ne 3
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if test "$#" -ne 1 && test "$#" -ne 3 || test -z "$1"
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then
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echo "USAGE: $0 <BASE_COMMIT> [<OUTPUT_FILE> <URL>]"
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exit 1
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@ -21,6 +21,12 @@ commitText=
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commitTextmd=
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goodParent=
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if ! git rev-parse --quiet --verify "${baseCommit}"
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then
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echo "Invalid <BASE_COMMIT> '${baseCommit}'"
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exit 1
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fi
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while read dash sha etc
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do
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case "${dash}" in
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@ -67,7 +73,7 @@ then
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goodParent=${baseCommit: 0:7}
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fi
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echo "A whitespace issue was found in onen of more of the commits."
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echo "A whitespace issue was found in one or more of the commits."
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echo "Run the following command to resolve whitespace issues:"
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echo "git rebase --whitespace=fix ${goodParent}"
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@ -87,6 +87,10 @@ macos-*)
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esac
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case "$jobname" in
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ClangFormat)
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sudo apt-get -q update
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sudo apt-get -q -y install clang-format
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;;
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StaticAnalysis)
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sudo apt-get -q update
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sudo apt-get -q -y install coccinelle libcurl4-openssl-dev libssl-dev \
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25
ci/run-style-check.sh
Executable file
25
ci/run-style-check.sh
Executable file
@ -0,0 +1,25 @@
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#!/bin/sh
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#
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# Perform style check
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#
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baseCommit=$1
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# Remove optional braces of control statements (if, else, for, and while)
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# according to the LLVM coding style. This avoids braces on simple
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# single-statement bodies of statements but keeps braces if one side of
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# if/else if/.../else cascade has multi-statement body.
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#
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# As this rule comes with a warning [1], we want to experiment with it
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# before adding it in-tree. since the CI job for the style check is allowed
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# to fail, appending the rule here allows us to validate its efficacy.
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# While also ensuring that end-users are not affected directly.
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#
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# [1]: https://clang.llvm.org/docs/ClangFormatStyleOptions.html#removebracesllvm
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{
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cat .clang-format
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echo "RemoveBracesLLVM: true"
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} >/tmp/clang-format-rules
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git clang-format --style=file:/tmp/clang-format-rules \
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--diff --extensions c,h "$baseCommit"
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