actions: test cache/{restore,save}@v4 support

actions/actions.sh

@@ -105,7 +105,7 @@ function test_actions() {
 	    done
 	fi
 
-	for example in echo checkout service container expression local-action docker-action if if-fail push tag push-cancel artifacts pull-request context ; do
+	for example in echo cache checkout service container expression local-action docker-action if if-fail push tag push-cancel artifacts pull-request context ; do
 	    run actions_verify_example $example
 	done
 

actions/example-cache/.forgejo/workflows/test.yml

@@ -0,0 +1,51 @@
+on: [push]
+
+jobs:
+  build:
+    runs-on: docker
+    container:
+      image: code.forgejo.org/oci/node:20-bookworm
+    steps:
+      - name: cache restore
+        id: cachestep1
+        uses: https://code.forgejo.org/actions/cache/restore@v4
+        with:
+          path: |
+            /usr/local/bin/something
+          key: cachekey
+
+      - name: cache hit
+        run: |
+          set -x
+          test "${{ steps.cachestep1.outputs.cache-hit }}" != true
+
+      - name: create something
+        run: echo SOMETHING > /usr/local/bin/something
+
+      - name: cache save
+        uses: https://code.forgejo.org/actions/cache/save@v4
+        with:
+          path: |
+            /usr/local/bin/something
+          key: ${{ steps.cachestep1.outputs.cache-primary-key }}
+
+      - name: remove something
+        run: rm /usr/local/bin/something
+
+      - name: cache restore
+        id: cachestep2
+        uses: https://code.forgejo.org/actions/cache/restore@v4
+        with:
+          path: |
+            /usr/local/bin/something
+          key: cachekey
+
+      - name: verify something
+        run: |
+          set -x
+          test SOMETHING = $(cat /usr/local/bin/something)
+
+      - name: cache hit
+        run: |
+          set -x
+          test "${{ steps.cachestep2.outputs.cache-hit }}" = true

actions/example-cache/runner-config.yaml

@@ -0,0 +1,30 @@
+
+log:
+  level: info
+
+runner:
+  file: .runner
+  capacity: 1
+  env_file: .env
+  timeout: 3h
+  insecure: false
+  fetch_timeout: 5s
+  fetch_interval: 2s
+  labels: ["docker:docker://code.forgejo.org/oci/node:20-bookworm"]
+
+cache:
+  enabled: true
+  dir: "/srv/example/cache"
+  host: ""
+  port: 0
+
+container:
+  network: "bridge"
+  privileged: false
+  options:
+  workdir_parent:
+  valid_volumes: ["/srv/example"]
+  docker_host: ""
+
+host:
+  workdir_parent:

actions/example-cache/setup.sh

@@ -0,0 +1 @@
+FORGEJO_RUNNER_CONFIG=$EXAMPLE_DIR/runner-config.yaml forgejo-runner.sh reload

actions/example-cache/teardown.sh

@@ -0,0 +1 @@
+forgejo-runner.sh reload