matrix-gen: bake matrix support

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.github/workflows/ci-matrix-gen.yml

@@ -33,3 +33,21 @@ jobs:
         name: Show matrix
         run: |
           echo matrix=${{ steps.gen.outputs.matrix }}
+
+  group-matrix:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Matrix gen
+        id: gen
+        uses: ./subaction/matrix-gen
+        with:
+          workdir: ./test/group-matrix
+          target: validate
+      -
+        name: Show matrix
+        run: |
+          echo matrix=${{ steps.gen.outputs.matrix }}

subaction/matrix-gen/action.yml

@@ -53,7 +53,10 @@ runs:
           });
 
           await core.group(`Set matrix`, async () => {
-            const matrix = def.group[target].targets;
+            let matrix = [];
+            for (const [key, value] of Object.entries(def.target)) {
+              matrix.push(key);
+            }
             core.info(`matrix: ${JSON.stringify(matrix)}`);
             core.setOutput('matrix', JSON.stringify(matrix));
           });

test/group-matrix/docker-bake.hcl

@@ -0,0 +1,31 @@
+group "validate" {
+  targets = ["lint", "validate-vendor", "validate-doctoc"]
+}
+
+target "lint" {
+  name = "lint-${buildtags.name}"
+  dockerfile = "./hack/dockerfiles/lint.Dockerfile"
+  target = buildtags.target
+  output = ["type=cacheonly"]
+  matrix = {
+    buildtags = [
+      { name = "default", tags = "", target = "golangci-lint" },
+      { name = "labs", tags = "dfrunsecurity dfparents", target = "golangci-lint" },
+      { name = "nydus", tags = "nydus", target = "golangci-lint" },
+      { name = "yaml", tags = "", target = "yamllint" },
+      { name = "proto", tags = "", target = "protolint" },
+    ]
+  }
+}
+
+target "validate-vendor" {
+  dockerfile = "./hack/dockerfiles/vendor.Dockerfile"
+  target = "validate"
+  output = ["type=cacheonly"]
+}
+
+target "validate-doctoc" {
+  dockerfile = "./hack/dockerfiles/doctoc.Dockerfile"
+  target = "validate-toc"
+  output = ["type=cacheonly"]
+}