Merge pull request #99 from zowe/feature/trigger-changelog-if-PR

Feature/trigger changelog if pr

.github/workflows/build-core.yml

@@ -67,49 +67,40 @@ jobs:
             echo "ERROR: CHANGELOG.md has not been updated."
             echo "::set-output name=check_commit::false"
           fi
-      - name: Extract changelog info
+      - name: Compare PR description with template
         if: steps.check-changelog.outputs.check_commit == 'false'
-        id: extract-changelog
+        env:
+          PR_DESCRIPTION: ${{ github.event.pull_request.body }}
         run: |
-          PR_DESCRIPTION="${{ github.event.pull_request.body }}"
-          # Check if "changelog:" exists in PR description
-          if echo "$PR_DESCRIPTION" | grep -q "VERSION:" && echo "$PR_DESCRIPTION" | grep -q "CHANGELOG:"; then
-            # Extract text after "changelog:"
-            CHANGELOG_TEXT=$(echo $PR_DESCRIPTION | sed -n 's/.*CHANGELOG: \(.*\)/\1/p')
-            # Extract VERSION: from PR description
-            VERSION=$(echo "$PR_DESCRIPTION" | grep -oP 'VERSION:\s*\K\d+\.\d+\.\d+')
-            echo "Extracted changelog: $CHANGELOG_TEXT"
-            echo "::set-output name=changelog::$CHANGELOG_TEXT"
-            echo "::set-output name=version::$VERSION"
-          else
-            echo -e "No changelog and version information found in PR description please add them.\n Expected Format:\n VERSION:X.XX.X\n CHANGELOG:This is changelog note.\n
-            To re-run the action, just make a push or commit after updating the PR description or updating the changelog via a manual file changing commit."
+          # Safely print the PR description using Node.js
+          
+          node -e "const fs=require('fs'); fs.writeFileSync('/tmp/pr_description.txt', process.env.PR_DESCRIPTION);"
+          # Use diff to compare the two files
+          if diff -wB /tmp/pr_description.txt .github/pull_request_template.md > /dev/null; then
+            echo "ERROR: PR description is identical to the template."
             exit 1
+          else
+            echo "PR description and template are different."
           fi
+
       - name: Check PR body against changelog
         if: steps.check-changelog.outputs.check_commit == 'false'
+        id: extract-changelog
         run: |
-          ESCAPED_CHANGELOG="${{ steps.extract-changelog.outputs.changelog }}"
-          ESCAPED_CHANGELOG=$(echo "$ESCAPED_CHANGELOG" | sed "s/'/\\\\'/g")
-          VERSION="${{ steps.extract-changelog.outputs.version }}"
-          
-          if ! grep -Fq "$ESCAPED_CHANGELOG" CHANGELOG.md; then
-            # Check if version exists in CHANGELOG.md
-            if grep -q "^## $VERSION" CHANGELOG.md; then
-              # Append PR description to existing version
-              sed -i "/^## $VERSION/a - $ESCAPED_CHANGELOG (#${{ github.event.pull_request.number }})" CHANGELOG.md
-            else
-              # Append new version and PR description
-              ANCHOR_LINE=$(awk '/# Zlux platform Changelog/ {print NR}' CHANGELOG.md)
-              sed -i "$ANCHOR_LINE a\\
-              \n## $VERSION\n- $ESCAPED_CHANGELOG (#${{ github.event.pull_request.number }})\n" CHANGELOG.md
-            fi
+          result=$(node .github/workflows/set-changelog.js ${{ github.event.pull_request.number }})
+          if [ "$result" = "Success" ]; then
             git config --global user.email "[email protected]"
             git config --global user.name "Zowe Robot"
             git add CHANGELOG.md
             git commit -s -m "Update changelog with PR #${{ github.event.pull_request.number }} description"
             git push
+            echo "Updated CHANGELOG from description"
+          else
+            echo $result
+            echo -e "No changelog and version information found in PR description. Please add them.\nExpected Format:\nVERSION:X.XX.X\nCHANGELOG:This is changelog note.\nTo re-run the action, just make a push or commit after updating the PR description or updating the changelog via a manual file changing commit."
+            exit 1
           fi
+
       - name: check for changes
         id: check-change
         run: |
@@ -118,7 +109,7 @@ jobs:
             echo "::set-output name=change_detected::false"
           else
             echo "::set-output name=change_detected::true"
-          fi
+            fi
 
   check_changelog:
     if: github.event_name == 'pull_request'

.github/workflows/set-changelog.js

@@ -0,0 +1,59 @@
+/*
+This program and the accompanying materials are
+made available under the terms of the Eclipse Public License v2.0 which accompanies
+this distribution, and is available at https://www.eclipse.org/legal/epl-v20.html
+
+SPDX-License-Identifier: EPL-2.0
+
+Copyright Contributors to the Zowe Project.
+*/
+
+const fs = require('fs');
+
+// Must run with args: PR_NUMBER
+const PR_NUMBER = process.argv[2];
+const description = fs.readFileSync('/tmp/pr_description.txt', 'utf8');
+let changelogMsg, version;
+
+if (description.includes('VERSION:') && description.includes('CHANGELOG:')) {
+  let lines = description.split('\n');
+  lines.forEach((line) => {
+    if (line.startsWith('CHANGELOG:')) {
+      changelogMsg = line.substring('CHANGELOG:'.length).trim();
+    } else if (line.startsWith('VERSION:')) {
+      version = line.substring('VERSION:'.length).trim();
+    }
+  });
+
+  if (changelogMsg && version) {
+    let changelog = fs.readFileSync('CHANGELOG.md', 'utf8');
+    let changelogLines = changelog.split('\n');
+    let versionIndex = -1;
+    let anchorIndex = 0;
+    for (let i = 0; i < changelogLines.length; i++) {
+      if (changelogLines[i].includes('# Basic Zlux Platform Changelog')) {
+        anchorIndex = i;
+      } else if (changelogLines[i].startsWith('## ' + version)) {  // Removed "v" prefix
+        versionIndex = i;
+        break;
+      }
+    }
+    if (versionIndex != -1) {
+      changelogLines.splice(versionIndex + 2, 0, `- ${changelogMsg} (#${PR_NUMBER})`);
+    } else {
+      changelogLines.splice(anchorIndex + 1, 0, `\n## \`${version}\`\n- ${changelogMsg} (#${PR_NUMBER})`);
+    }
+    const newChangelog = changelogLines.join('\n');
+    fs.writeFileSync('CHANGELOG.md', newChangelog);
+    console.log('Success');
+  } else {
+    if (!changelogMsg) {
+      console.log('Missing CHANGELOG');
+    }
+    if (!version) {
+      console.log('Missing VERSION');
+    }
+  }
+} else {
+  console.log('Missing CHANGELOG or VERSION');
+}