fix(ci): merge tag+release into single workflow, override GITHUB_REF for build-plugin

Author: everpcpc

.github/workflows/release.yml

@@ -2,8 +2,10 @@ name: Release
 
 on:
   push:
-    tags:
-      - 'v*'
+    branches:
+      - main
+    paths:
+      - 'package.json'
 
 permissions:
   contents: write
@@ -15,14 +17,34 @@ jobs:
       GOTOOLCHAIN: auto
     steps:
       - uses: actions/checkout@v6
-
-      - uses: actions/setup-go@v5
         with:
-          go-version: '1.25'
+          fetch-depth: 2
+
+      - name: Check version change
+        id: check
+        run: |
+          CURRENT=$(jq -r .version package.json)
+          PREVIOUS=$(git show HEAD~1:package.json 2>/dev/null | jq -r .version 2>/dev/null || echo "")
+          if [ "$CURRENT" != "$PREVIOUS" ] && [ -n "$CURRENT" ]; then
+            echo "version=${CURRENT}" >> "$GITHUB_OUTPUT"
+            echo "changed=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "changed=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Create tag
+        if: steps.check.outputs.changed == 'true'
+        run: |
+          git tag "v${{ steps.check.outputs.version }}"
+          git push origin "v${{ steps.check.outputs.version }}"
 
       - uses: pnpm/action-setup@v4
+        if: steps.check.outputs.changed == 'true'
 
       - uses: grafana/plugin-actions/build-plugin@release
+        if: steps.check.outputs.changed == 'true'
+        env:
+          GITHUB_REF: refs/tags/v${{ steps.check.outputs.version }}
         with:
           go-version: '1.25'
           node-version: '24'

.github/workflows/tag.yml

@@ -1,6 +1,6 @@
 {
   "name": "datasource-databend",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Grafana datasource plugin for Databend",
   "scripts": {
     "build": "webpack -c ./.config/webpack/webpack.config.ts --env production",