ci: Cache apt packages

To (marginally) increase build times...
Forty-Bot · Nov 17, 2023 · 0c81725 · 0c81725
1 parent c1b8422
commit 0c81725
Showing 1 changed file with 28 additions and 6 deletions.
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
@@ -8,6 +8,33 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - name: Calculate apt sources hash
+        id: apt-cache
+        run: |
+          echo -n hash= >> $GITHUB_OUTPUT
+          tar -cf - --sort=name /var/lib/apt/lists | sha256sum | cut -f 1 -d ' ' >> $GITHUB_OUTPUT
+      - name: Restore apt archives
+        uses: actions/cache/restore@v3
+        with:
+          path: apt-archives
+          key: ${{ env.ImageOS }}-apt-${{ steps.apt-cache.outputs.hash }}
+          restore-keys: |
+            ${{ env.ImageOS }}-apt-
+      - name: Install OS dependencies
+        run: |
+          env
+          sudo mkdir -p /etc/postgresql-common/createcluster.d/
+          echo "create_main_cluster = false" | \
+            sudo tee /etc/postgresql-common/createcluster.d/override.conf
+          mkdir -p apt-archives
+          sudo cp -a apt-archives /var/cache/apt/archives
+          sudo apt-get install -y python3-dev postgresql
+          cp -a /var/cache/apt/archives/*.deb apt-archives
+      - name: Save apt archives
+        uses: actions/cache/save@v3
+        with:
+          path: apt-archives
+          key: ${{ env.ImageOS }}-apt-${{ steps.apt-cache.outputs.hash }}
       - name: Get pip cache dir
         id: pip-cache
         run: |
@@ -19,13 +46,8 @@ jobs:
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt', 'requirements_test.txt') }}
           restore-keys: |
             ${{ runner.os }}-pip-
-      - name: Install dependencies
+      - name: Install OS dependencies
         run: |
           echo "$HOME/.local/bin" >> $GITHUB_PATH
-          sudo mkdir -p /etc/postgresql-common/createcluster.d/
-          echo "create_main_cluster = false" | \
-            sudo tee /etc/postgresql-common/createcluster.d/override.conf
-          sudo apt-get update
-          sudo apt-get install -y python3-dev postgresql
           pip install -r requirements.txt -r requirements_test.txt
       - run: pytest