ci: Enable caching

.github/workflows/backend-tests.yml

@@ -25,6 +25,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node }}
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install libreoffice
       run: |
@@ -59,6 +63,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node }}
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install libreoffice
       run: |
@@ -114,6 +122,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install all dependencies and symlink for ep_etherpad-lite
       run: src/bin/installOnWindows.bat
@@ -142,6 +154,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install Etherpad plugins
       # The --legacy-peer-deps flag is required to work around a bug in npm v7:

.github/workflows/docker.yml

@@ -25,11 +25,17 @@ jobs:
           context: .
           load: true
           tags: ${{ env.TEST_TAG }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
       -
         name: Set up Node.js
         uses: actions/setup-node@v2
         with:
           node-version: 'lts/*'
+          cache: 'npm'
+          cache-dependency-path: |
+            src/package-lock.json
+            src/bin/doc/package-lock.json
       -
         name: Test
         run: |

.github/workflows/frontend-admin-tests.yml

@@ -26,6 +26,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node }}
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install etherpad plugins
       # We intentionally install an old ep_align version to test upgrades to the minor version number.

.github/workflows/frontend-tests.yml

@@ -21,6 +21,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install all dependencies and symlink for ep_etherpad-lite
       run: src/bin/installDeps.sh
@@ -70,6 +74,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install Etherpad plugins
       # The --legacy-peer-deps flag is required to work around a bug in npm v7:

.github/workflows/lint-package-lock.yml

@@ -20,6 +20,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install lockfile-lint
       run: npm install --no-save lockfile-lint

.github/workflows/load-test.yml

@@ -20,6 +20,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install all dependencies and symlink for ep_etherpad-lite
       run: src/bin/installDeps.sh
@@ -46,6 +50,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install etherpad-load-test
       run: sudo npm install -g etherpad-load-test
@@ -98,6 +106,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install all dependencies and symlink for ep_etherpad-lite
       run: src/bin/installDeps.sh

.github/workflows/rate-limit.yml

@@ -19,6 +19,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: docker network
       run: docker network create --subnet=172.23.42.0/16 ep_net

.github/workflows/upgrade-from-latest-release.yml

@@ -27,6 +27,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: ${{ matrix.node }}
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install Etherpad plugins
       # The --legacy-peer-deps flag is required to work around a bug in npm v7:

.github/workflows/windows-installer.yml

@@ -27,6 +27,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install all dependencies and symlink for ep_etherpad-lite
       shell: msys2 {0}

.github/workflows/windows-zip.yml

@@ -26,6 +26,10 @@ jobs:
     - uses: actions/setup-node@v2
       with:
         node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
 
     - name: Install all dependencies and symlink for ep_etherpad-lite
       shell: msys2 {0}
@@ -65,6 +69,14 @@ jobs:
     - name: Extract Etherpad
       run: 7z x etherpad-lite-win.zip -oetherpad
 
+    - uses: actions/setup-node@v2
+      with:
+        node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          etherpad/src/package-lock.json
+          etherpad/src/bin/doc/package-lock.json
+
     - name: Install Cypress
       run: npm install cypress -g
 

src/bin/plugins/lib/backend-tests.yml

@@ -14,10 +14,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/setup-node@v2
-      with:
-        node-version: 12
-
     - name: Install libreoffice
       run: |
         sudo add-apt-repository -y ppa:libreoffice/ppa
@@ -47,6 +43,15 @@ jobs:
       env:
         PLUGIN_NAME: ${{ steps.plugin_name.outputs.plugin_name }}
 
+    - uses: actions/setup-node@v2
+      with:
+        node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
+          node_modules/${{ steps.plugin_name.outputs.plugin_name }}/package-lock.json
+
     - name: Install plugin dependencies
       run: |
         cd ./node_modules/"${PLUGIN_NAME}"

src/bin/plugins/lib/frontend-tests.yml

@@ -15,15 +15,19 @@ jobs:
         printf %s\\n '::set-output name=name::${{github.event.repository.name}} ${{ github.workflow }} - ${{ github.job }}'
         printf %s\\n '::set-output name=tunnel_id::${{ github.run_id }}-${{ github.run_number }}-${{ github.job }}'
 
-    - uses: actions/setup-node@v2
-      with:
-        node-version: 12
-
     - name: Check out Etherpad core
       uses: actions/checkout@v2
       with:
         repository: ether/etherpad-lite
 
+    - uses: actions/setup-node@v2
+      with:
+        node-version: 12
+        cache: 'npm'
+        cache-dependency-path: |
+          src/package-lock.json
+          src/bin/doc/package-lock.json
+
     - name: Check out the plugin
       uses: actions/checkout@v2
       with:

src/bin/plugins/lib/npmpublish.yml

@@ -29,9 +29,20 @@ jobs:
       # etherpad-lite has been moved outside of $GITHUB_WORKSPACE, so it is now
       # safe to clone this plugin's repo to $GITHUB_WORKSPACE.
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      # This is necessary for actions/setup-node because '..' can't be used in
+      # cache-dependency-path.
+      - name: Create ep_etherpad-lite symlink
+        run: |
+          mkdir -p node_modules
+          ln -s ../../etherpad-lite/src node_modules/ep_etherpad-lite
+      - uses: actions/setup-node@v2
         with:
           node-version: 12
+          cache: 'npm'
+          cache-dependency-path: |
+            node_modules/ep_etherpad-lite/package-lock.json
+            node_modules/ep_etherpad-lite/bin/doc/package-lock.json
+            package-lock.json
       # All of ep_etherpad-lite's devDependencies are installed because the
       # plugin might do `require('ep_etherpad-lite/node_modules/${devDep}')`.
       # Eventually it would be nice to create an ESLint plugin that prohibits
@@ -58,10 +69,11 @@ jobs:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: 12
           registry-url: https://registry.npmjs.org/
+          cache: 'npm'
       - name: Bump version (patch)
         run: |
           LATEST_TAG=$(git describe --tags --abbrev=0) || exit 1