From 8ca30a15fb2081110dbb8a7be153a8cd117af4af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lu=C3=ADs=20Fonseca?= <luis@lhf.pt>
Date: Fri, 2 Feb 2024 10:03:32 +0000
Subject: [PATCH] feat: cache test coverage build

---
 .github/workflows/create-coverage-report.yml | 30 +++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/create-coverage-report.yml b/.github/workflows/create-coverage-report.yml
index 2a5dea6c3..fc0b7c7ca 100644
--- a/.github/workflows/create-coverage-report.yml
+++ b/.github/workflows/create-coverage-report.yml
@@ -4,6 +4,9 @@ on: [push]
 
 env:
   BUILD_TYPE: Debug
+  CCACHE_BASEDIR: ${{ github.workspace }}
+  CCACHE_DIR: "${{ github.workspace }}/.ccache"
+  CCACHE_COMPILERTYPE: gcc
 
 jobs:
   build:
@@ -17,7 +20,23 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install xorg-dev libglu1-mesa-dev gcc-11 g++-11 lcov
+        sudo apt-get install xorg-dev libglu1-mesa-dev gcc-11 g++-11 ccache lcov
+
+    - name: Get timestamp
+      shell: bash
+      id: ccache_vars
+      run: |
+        echo "timestamp=$(date +%s)" >> $GITHUB_OUTPUT
+        
+    - uses: actions/cache@v3
+      with:
+        path: ${{ env.CCACHE_DIR }}
+        key: ccache-${{ env.CCACHE_COMPILERTYPE }}-${{ env.BUILD_TYPE }}-${{ github.ref }}-${{ steps.ccache_vars.outputs.timestamp }}
+        restore-keys: |
+          ccache-${{ env.CCACHE_COMPILERTYPE }}-${{ env.BUILD_TYPE }}-${{ github.ref }}-
+          ccache-${{ env.CCACHE_COMPILERTYPE }}-${{ env.BUILD_TYPE }}-
+          ccache-${{ env.CCACHE_COMPILERTYPE }}-
+          ccache-
 
     - name: Configure CMake
       run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DENABLE_COVERAGE=ON -DBUILD_CORE_TESTS=ON -DBUILD_ENGINE_TESTS=ON -DUSE_CLANG_TIDY=OFF
@@ -26,9 +45,18 @@ jobs:
         CC:   gcc-11
         CXX:  g++-11
 
+    - name: CCache Prolog
+      run: |-
+        ccache -s # Print current cache stats
+        ccache -z # Zero cache entry
+
     - name: Build
       run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --target coverage
 
+    - name: CCache Epilog
+      run: |
+        ccache -s # Print current cache stats
+
     - name: Upload
       uses: codecov/codecov-action@v4
       with: