feat: add outputs for changed modules in GitHub Action

.github/workflows/ci.yml

@@ -52,3 +52,77 @@ jobs:
           module-change-exclude-patterns: .gitignore,*.md,*.tftest.hcl,tests/**
           module-asset-exclude-patterns: .gitignore,*.md,*.tftest.hcl,tests/**
           use-ssh-source-format: true
+
+      - name: Test Action Outputs
+        id: test-outputs
+        run: |
+          echo "Testing action outputs..."
+
+          # Test if outputs are set
+          if [[ -n "${{ steps.test-action.outputs.changed-module-names }}" ]]; then
+            echo "✅ Output 'changed-modules-names': ${{ steps.test-action.outputs.changed-module-names }}"
+          else
+            echo "❌ No changed module names found"
+          fi
+
+          if [[ -n "${{ steps.test-action.outputs.changed-module-paths }}" ]]; then
+            echo "✅ Output 'changed-module-paths': ${{ steps.test-action.outputs.changed-module-paths }}"
+          else
+            echo "❌ No changed module paths found"
+          fi
+
+          if [[ -n "${{ steps.test-action.outputs.changed-modules-map }}" ]]; then
+            echo "✅ Output 'changed-modules-map':"
+            echo '${{ steps.test-action.outputs.changed-modules-map }}' | jq -r '
+              "Found \(length) changed module(s):",
+              (to_entries[] | 
+                "• \(.key):",
+                "  - Path: \(.value.path)",
+                "  - Current Tag: \(.value.currentTag)",
+                "  - Next Tag: \(.value.nextTag)",
+                "  - Release Type: \(.value.releaseType)"
+              )
+            '
+          else
+            echo "❌ No changed modules map found"
+          fi
+
+          # Silently validate JSON structure is an object
+          echo '${{ steps.test-action.outputs.changed-modules-map }}' | jq -e 'type == "object"' > /dev/null || {
+            echo "❌ Expected object type in changed-modules-map"
+            exit 1
+          }
+
+          # Test new outputs for all modules
+          if [[ -n "${{ steps.test-action.outputs.all-module-names }}" ]]; then
+            echo "✅ Output 'all-module-names': ${{ steps.test-action.outputs.all-module-names }}"
+          else
+            echo "❌ No all module names found"
+          fi
+
+          if [[ -n "${{ steps.test-action.outputs.all-module-paths }}" ]]; then
+            echo "✅ Output 'all-module-paths': ${{ steps.test-action.outputs.all-module-paths }}"
+          else
+            echo "❌ No all module paths found"
+          fi
+
+          if [[ -n "${{ steps.test-action.outputs.all-modules-map }}" ]]; then
+            echo "✅ Output 'all-modules-map':"
+            echo '${{ steps.test-action.outputs.all-modules-map }}' | jq -r '
+              "Found \(length) total module(s):",
+              (to_entries[] | 
+                "• \(.key):",
+                "  - Path: \(.value.path)",
+                "  - Latest Tag: \(.value.latestTag)",
+                "  - Latest Tag Version: \(.value.latestTagVersion)"
+              )
+            '
+          else
+            echo "❌ No all modules map found"
+          fi
+
+          # Silently validate JSON structure is an objects
+          echo '${{ steps.test-action.outputs.all-modules-map }}' | jq -e 'type == "object"' > /dev/null || {
+            echo "❌ Expected object type in all-modules-map"
+            exit 1
+          }

.node-version

@@ -1,2 +1 @@
-22
-# Used by CI only
+22

README.md

@@ -221,6 +221,46 @@ jobs:
           use-ssh-source-format: false
 ```
 
+## Outputs
+
+The following outputs are available from this action:
+
+| Output                 | Type     | Description                                                                                                |
+| ---------------------- | -------- | ---------------------------------------------------------------------------------------------------------- |
+| `changed-module-names` | `string` | JSON array of module names that were changed in the current pull request                                   |
+| `changed-module-paths` | `string` | JSON array of file system paths to the modules that were changed                                           |
+| `changed-modules-map`  | `string` | JSON object mapping module names to their change details including current tag, next tag, and release type |
+| `all-module-names`     | `string` | JSON array of all module names found in the repository                                                     |
+| `all-module-paths`     | `string` | JSON array of file system paths to all modules in the repository                                           |
+| `all-modules-map`      | `string` | JSON object mapping all module names to their details including path, latest tag, and latest tag version   |
+
+### Example Output Structure
+
+```json
+{
+  "changed-modules-map": {
+    "aws/vpc": {
+      "path": "modules/aws/vpc",
+      "currentTag": "aws/vpc/v1.0.0",
+      "nextTag": "aws/vpc/v1.1.0",
+      "releaseType": "minor"
+    }
+  },
+  "all-modules-map": {
+    "aws/vpc": {
+      "path": "modules/aws/vpc",
+      "latestTag": "aws/vpc/v1.0.0",
+      "latestTagVersion": "v1.0.0"
+    },
+    "aws/s3": {
+      "path": "modules/aws/s3",
+      "latestTag": "aws/s3/v2.1.0",
+      "latestTagVersion": "v2.1.0"
+    }
+  }
+}
+```
+
 ## Inspiration
 
 This action was inspired by the blog post

__tests__/wiki.test.ts

@@ -80,6 +80,7 @@ describe('wiki', async () => {
       expect(gitCalls).toEqual([
         `config --global --add safe.directory ${wikiDir}`,
         `init --initial-branch=master ${wikiDir}`,
+        'remote',
         'remote add origin https://github.com/techpivot/terraform-module-releaser.wiki',
         'config --local --unset-all http.https://github.com/.extraheader',
         expect.stringContaining('config --local http.https://github.com/.extraheader Authorization: Basic'),
@@ -153,6 +154,26 @@ describe('wiki', async () => {
       checkoutWiki();
       expect(existsSync(wikiDir)).toBe(true);
     });
+
+    it('should update remote URL with set-url if origin already exists', () => {
+      const mockExecFileSync = vi.fn(
+        (command: string, args?: readonly string[] | undefined, options?: ExecFileSyncOptions) => {
+          // If the command is "git remote" return "origin" to simulate an existing remote
+          if (args?.length === 1 && args[0] === 'remote') {
+            return Buffer.from('origin');
+          }
+          return Buffer.from('');
+        },
+      );
+      vi.mocked(execFileSync).mockImplementation(mockExecFileSync);
+
+      checkoutWiki();
+
+      const gitCalls = mockExecFileSync.mock.calls.map((call) => call[1]?.join(' ') || '');
+      expect(gitCalls).toContain('remote set-url origin https://github.com/techpivot/terraform-module-releaser.wiki');
+
+      // ... Assertions for group start/end can be added if needed ...
+    });
   });
 
   describe('getWikiLink()', () => {

action.yml

@@ -94,6 +94,20 @@ inputs:
     required: true
     default: ${{ github.token }}
 
+outputs:
+  changed-module-names:
+    description: JSON array of module names that were changed in the current pull request
+  changed-module-paths:
+    description: JSON array of file system paths to the modules that were changed
+  changed-modules-map:
+    description: JSON object mapping module names to their change details including current tag, next tag, and release type
+  all-module-names:
+    description: JSON array of all module names found in the repository
+  all-module-paths:
+    description: JSON array of file system paths to all modules in the repository
+  all-modules-map:
+    description: JSON object mapping all module names to their details including path, latest tag, and latest tag version
+
 runs:
   using: node20
   main: dist/index.js