From 5385ad415fad70ac7a99dad93eea57d7483a5af8 Mon Sep 17 00:00:00 2001
From: Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
Date: Thu, 30 Jul 2020 06:44:32 +0200
Subject: [PATCH] ci: Add validation for formatting using clang-format

---
 .github/workflows/main.yml     |  4 +--
 .github/workflows/validate.yml | 46 ++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 .github/workflows/validate.yml

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b28565a..cfad218 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,7 +43,7 @@ jobs:
     - name: "Configure Project"
       shell: bash
       run: |
-        cmake -H. -B"build/temp" -DCMAKE_PACKAGE_NAME="streamfx-${{ matrix.id }}" -DCMAKE_INSTALL_PREFIX="build/distrib" -DCMAKE_PACKAGE_PREFIX="build/package" -DOBS_DOWNLOAD=ON
+        cmake -H. -B"build/temp" -DCMAKE_INSTALL_PREFIX="build/distrib" -DCMAKE_PACKAGE_NAME="streamfx-${{ matrix.id }}" -DCMAKE_PACKAGE_PREFIX="build/package" -DOBS_DOWNLOAD=ON
     - name: "Build Project"
       shell: bash
       run: |
@@ -138,7 +138,7 @@ jobs:
     - name: "Configure Project"
       shell: bash
       run: |
-        cmake -H. -B"build/temp" -DCMAKE_PACKAGE_NAME="streamfx-${{ matrix.id }}" -DCMAKE_INSTALL_PREFIX="build/distrib" -DCMAKE_PACKAGE_PREFIX="build/package" -DOBS_DOWNLOAD=ON
+        cmake -H. -B"build/temp" -DCMAKE_INSTALL_PREFIX="build/distrib" -DCMAKE_PACKAGE_NAME="streamfx-${{ matrix.id }}" -DCMAKE_PACKAGE_PREFIX="build/package" -DOBS_DOWNLOAD=ON
     - name: "Build Project"
       shell: bash
       run: |
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
new file mode 100644
index 0000000..6f442b2
--- /dev/null
+++ b/.github/workflows/validate.yml
@@ -0,0 +1,46 @@
+name: Validation
+
+on: 
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  clang-format:
+    name: "clang-format"
+    runs-on: ubuntu-20.04
+    env:
+      CC: clang-9
+      CXX: clang-9
+      CMAKE_GENERATOR: "Ninja"
+    steps:
+    - name: "Clone Repository"
+      uses: actions/checkout@v1
+    - name: "Submodules & Packages"
+      shell: bash
+      run: |
+        git submodule update --init --recursive
+        sudo apt-get -qq update
+        sudo apt-get purge libjpeg9-dev:amd64 libjpeg8-dev:amd64 libjpeg-turbo8-dev:amd64
+        sudo apt-get install build-essential clang clang-format checkinstall pkg-config cmake ninja-build git qt5-default libqwt-qt5-dev libqt5svg5-dev
+    - name: "Cache: Prerequisites"
+      uses: actions/cache@v2
+      with:
+        path: |
+          build/temp/libobs-download/libobs-download-prefix/src/libobs.7z
+        key: ubuntu-20.04
+    - name: "Configure & Format Project"
+      shell: bash
+      run: |
+        cmake -H. -B"build/temp" \
+          -DCMAKE_INSTALL_PREFIX="build/distrib" \
+          -DCMAKE_PACKAGE_NAME="streamfx-${{ matrix.id }}" -DCMAKE_PACKAGE_PREFIX="build/package" \
+          -DOBS_DOWNLOAD=ON \
+          -DENABLE_CLANG=TRUE
+        cmake --build "build/temp" --config RelWithDebInfo --target StreamFX_CLANG-FORMAT
+    - name: "Validate Formatting"
+      shell: bash
+      run: |
+        git --no-pager diff --patch --minimal HEAD --
+        git update-index --refresh
+        git diff-index --quiet HEAD --
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