From 7be81ab6d6028b2970315f058880872d400c2b2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Poulhi=C3=A8s?= <dkm@kataplop.net>
Date: Wed, 27 Nov 2024 10:23:14 +0100
Subject: [PATCH] caching the compiler

---
 .github/workflows/ccpp.yml | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index a143087684f..4f551a958b7 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -296,10 +296,29 @@ jobs:
                   dejagnu;
           # install Rust directly using rustup
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain=1.72.0;
-          curl "https://s3.amazonaws.com/compiler-explorer/opt/gcc-5.4.0.tar.xz" -o /tmp/gcc.tar.xz;
-          sudo mkdir -p /usr/local/;
-          cd /usr/local;
-          sudo tar xvf /tmp/gcc.tar.xz
+
+    - name: Restore cached gcc-5.4
+      id: restore-gcc5.4
+      uses: actions/cache/restore@v4
+      with:
+        key: ce-tar-gcc-5.4
+        path: /usr/local/gcc-5.4
+
+    - name: Download and install gcc5.4
+      if: ${{ steps.restore-gcc5.4.outputs.cache-hit != 'true' }}
+      run: |
+        curl "https://s3.amazonaws.com/compiler-explorer/opt/gcc-5.4.0.tar.xz" -o /tmp/gcc.tar.xz;
+        sudo mkdir -p /usr/local/;
+        cd /usr/local;
+        sudo tar xvf /tmp/gcc.tar.xz
+
+    - name: Store gcc-5.4 to cache
+      id: cache-gcc5.4
+      if: always() && steps.restore-gcc5.4.outputs.cache-hit != 'true'
+      uses: actions/cache/save@v4
+      with:
+        key: ${{ steps.restore-gcc5.4.outputs.cache-primary-key }}
+        path: /usr/local/gcc-5.4
 
     - name: Make Source Read-Only
       run: chmod -R a-w ./*
@@ -308,8 +327,10 @@ jobs:
       run: |
            mkdir -p gccrs-build;
            cd gccrs-build;
-           PATH=/usr/local/gcc-5.4.0/bin:$PATH gcc --version;
-           PATH=/usr/local/gcc-5.4.0/bin:$PATH type gcc;
+
+           # Add cargo to our path quickly
+           . "$HOME/.cargo/env";
+
            PATH=/usr/local/gcc-5.4.0/bin:$PATH \
              ../configure \
                  --enable-languages=rust \