adding different method for changed files

.gitea/workflows/convert-html-docs.yaml

@@ -124,6 +124,7 @@ jobs:
           print(doc_exports_var)
           json_str = json.dumps(doc_exports_var, indent=4)
           json_str = "doc_exports_var=" + json_str
+          print(json_str)
           with open(os.environ['GITHUB_OUTPUT'], 'a') as fh:
               fh.write(json_str)
  
@@ -136,17 +137,47 @@ jobs:
           ls -la ./doc_exports_var.json
           cat ./doc_exports_var.json
           
-      - name: Get last git changed files
-        id: git_log
+#      - name: Get last git changed files
+#        id: git_log
+#        run: |
+#          cd $PROJECT_SRC_DIR
+#          ls
+#          echo > ../changed_files.txt
+#          git branch
+#          git status
+#          git log -1 --name-only --pretty= > ../changed_files.txt || true
+#          cat ../changed_files.txt
+#          cat ../doc_exports_var.json
+
+
+      - name: Install jq
+        run: sudo apt-get update && sudo apt-get install -y jq
+
+      - name: Debug event file
         run: |
-          cd $PROJECT_SRC_DIR
-          ls
-          echo > ../changed_files.txt
-          git branch
-          git status
-          git log -1 --name-only --pretty= > ../changed_files.txt || true
-          cat ../changed_files.txt
-          cat ../doc_exports_var.json
+          echo "Gitea event file path: $GITEA_EVENT_PATH"
+          cat "$GITEA_EVENT_PATH"
+
+      - name: List changed files in PR
+        id: changed_files
+        run: |
+          PR_NUMBER=$(jq -r .pull_request.number "$GITEA_EVENT_PATH")
+          REPO=$(jq -r .repository.full_name "$GITEA_EVENT_PATH")
+
+          echo "PR #$PR_NUMBER from repo $REPO"
+
+          # Extract owner and repo name
+          OWNER=$(echo "$REPO" | cut -d'/' -f1)
+          REPO_NAME=$(echo "$REPO" | cut -d'/' -f2)
+
+          # Use Gitea API to get changed files
+          # Requires an API token with repo read access
+          curl -s -H "Authorization: token ${{ secrets.TEST_TOKEN }}" \
+            "https://gitea.eco.tsi-dev.otc-service.com/api/v1/repos/$OWNER/$REPO_NAME/pulls/$PR_NUMBER/files" \
+            | jq -r '.[].filename' > changed_files.txt
+
+          echo "Changed files:"
+          cat changed_files.txt
 
       - name: Generate RST docs
         run: |