From 00f68fb8a59a3866161d9e5d3055a803219f36c2 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Sun, 12 Feb 2023 16:43:55 +0100
Subject: [PATCH] workflow: Add clang-tidy reviews for all pull requests

---
 .clang-tidy                |  6 ++++++
 .github/workflows/lint.yml | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 .clang-tidy
 create mode 100644 .github/workflows/lint.yml

diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000000..880f30b52e
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,6 @@
+---
+Checks: 'clang-diagnostic-*,clang-analyzer-*,performance-*,portability-*,modernize-use-nullptr'
+WarningsAsErrors: ''
+HeaderFilterRegex: ''
+FormatStyle: none
+...
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000000..ca822383c2
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,34 @@
+name: Lint
+on: [pull_request]
+
+jobs:
+  clang-tidy:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install clang-tidy
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y clang-tidy build-essential pkg-config libpng-dev libjpeg-dev libtiff-dev zlib1g-dev libssl-dev libx11-dev libgl1-mesa-dev libxrandr-dev libxxf86dga-dev libxcursor-dev libfreetype6-dev libvorbis-dev libeigen3-dev libopenal-dev libode-dev libbullet-dev libgtk-3-dev libassimp-dev libopenexr-dev
+    - name: Prepare compile_commands.json
+      run: |
+        cmake -B build -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_UNITY_BUILD=OFF -DHAVE_PYTHON=OFF -DINTERROGATE_PYTHON_INTERFACE=OFF
+    - name: Copy prebuilt files
+      run: |
+        for fn in **/*.prebuilt; do
+          echo mkdir -p $(dirname "cmake/$fn");
+          echo cp "$fn" "cmake/${fn%.*}";
+        done
+    - name: Create results directory
+      run: |
+        mkdir clang-tidy-result
+    - name: Analyze
+      run: |
+        git diff -U0 HEAD^ | clang-tidy-diff -p1 -path build -export-fixes clang-tidy-result/fixes.yml
+    - name: Post review
+      uses: platisd/clang-tidy-pr-comments@master
+      with:
+        github_token: ${{ github.token }}
+        clang_tidy_fixes: clang-tidy-result/fixes.yml
+        request_changes: true
+        suggestions_per_comment: 10