From bc3e82e9b8d471484076328790fa06dfe7b08f09 Mon Sep 17 00:00:00 2001
From: Weiqun Zhang <WeiqunZhang@lbl.gov>
Date: Mon, 8 May 2023 17:56:48 -0700
Subject: [PATCH] Cache CodeQL build (#3297)

---
 .github/workflows/cleanup-cache.yml |  2 +-
 .github/workflows/codeql.yml        | 44 +++++++++++++++++++++++++++--
 2 files changed, 43 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/cleanup-cache.yml b/.github/workflows/cleanup-cache.yml
index 04b52cb9f19..21b1848dab8 100644
--- a/.github/workflows/cleanup-cache.yml
+++ b/.github/workflows/cleanup-cache.yml
@@ -2,7 +2,7 @@ name: CleanUpCache
 
 on:
   workflow_run:
-    workflows: [LinuxClang, cuda, LinuxGcc, hip, Hypre, intel, macos, PETSc, SUNDIALS, windows]
+    workflows: [LinuxClang, cuda, LinuxGcc, hip, Hypre, intel, macos, PETSc, SUNDIALS, windows, CodeQL]
     types:
       - completed
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 0f52b866ecd..cb236fa51d7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -1,4 +1,4 @@
-name: 🔍 CodeQL
+name: CodeQL
 
 on:
   push:
@@ -35,11 +35,28 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install --yes cmake openmpi-bin libopenmpi-dev libhdf5-openmpi-dev
+          .github/workflows/dependencies/dependencies_ccache.sh
+          sudo ln -s /usr/local/bin/ccache /usr/local/bin/g++
+
+      - name: Set Up Cache
+        if: ${{ matrix.language == 'cpp' }}
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/ccache
+          key: ccache-${{ github.workflow }}-${{ github.job }}-git-${{ github.sha }}
+          restore-keys: |
+               ccache-${{ github.workflow }}-${{ github.job }}-git-
 
       - name: Configure (C++)
         if: ${{ matrix.language == 'cpp' }}
         run: |
-          cmake -S . -B build -DAMReX_EB=ON -DAMReX_ENABLE_TESTS=ON -DAMReX_FORTRAN=OFF -DAMReX_PARTICLES=ON
+          cmake -S . -B build                            \
+              -DAMReX_EB=ON                              \
+              -DAMReX_ENABLE_TESTS=ON                    \
+              -DAMReX_FORTRAN=OFF                        \
+              -DAMReX_PARTICLES=ON                       \
+              -DCMAKE_VERBOSE_MAKEFILE=ON                \
+              -DCMAKE_CXX_COMPILER="/usr/local/bin/g++"
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v2
@@ -55,9 +72,32 @@ jobs:
       - name: Build (C++)
         if: ${{ matrix.language == 'cpp' }}
         run: |
+          export CCACHE_COMPRESS=1
+          export CCACHE_COMPRESSLEVEL=10
+          export CCACHE_MAXSIZE=30M
+          ccache -z
+
           cmake --build build -j 2
 
+          ccache -s
+          du -hs ~/.cache/ccache
+
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v2
         with:
           category: "/language:${{ matrix.language }}"
+
+  save_pr_number:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Save PR number
+        env:
+          PR_NUMBER: ${{ github.event.number }}
+        run: |
+          echo $PR_NUMBER > pr_number.txt
+      - uses: actions/upload-artifact@v3
+        with:
+          name: pr_number
+          path: pr_number.txt
+          retention-days: 1