Merge pull request #23 from lucascolley/ccache

CI: set up ccache

Author: steppi

.github/workflows/tests.yml

@@ -29,6 +29,21 @@ jobs:
           pixi-version: v0.45.0
           cache: true
           environments: ${{ matrix.environment }}
+      - name:  Prepare compiler cache
+        id:    prep-ccache
+        shell: bash
+        run: |
+          mkdir -p "${CCACHE_DIR}"
+          echo "dir=$CCACHE_DIR" >> $GITHUB_OUTPUT
+          NOW=$(date -u +"%F-%T")
+          echo "timestamp=${NOW}" >> $GITHUB_OUTPUT
+      - name: Setup compiler cache
+        uses: actions/cache@5a3ec84eff668545956fd18022155c47e93e2684 # v4.2.3
+        id:   cache-ccache
+        with:
+          path: ${{ steps.prep-ccache.outputs.dir }}
+          key:  ${{ github.workflow }}-ccache-${{ matrix.environment }}-${{ matrix.runs-on }}-${{ steps.prep-ccache.outputs.timestamp }}
+          restore-keys: ${{ github.workflow }}-ccache-${{ matrix.environment }}-${{ matrix.runs-on }}-
       - name: Build xsf
         run: pixi run --environment=tests-ci build-tests-ci
       - name: Run tests
@@ -40,3 +55,6 @@ jobs:
         with:
           name: cov-html-${{ matrix.runs-on }}
           path: build/coverage_report/**
+      - name: Ccache performance
+        shell: bash -l {0}
+        run: pixi run --environment=tests-ci ccache -s

pixi.toml

@@ -85,6 +85,8 @@ configure-coverage.cmd = [
 ]
 configure-coverage.cwd = "."
 configure-coverage.env.XSREF_TABLES_PATH = "$PWD/xsref/tables"
+configure-coverage.env.CC = "ccache $CC"
+configure-coverage.env.CXX = "ccache $CXX"
 # Open coverage report
 open-coverage.cmd = ["open", "index.html"]
 open-coverage.cwd = "build/coverage_report"