ci: auto version bump when not bumped manually (#792)

Signed-off-by: yqrashawn <namy.19@gmail.com>
Co-authored-by: yqrashawn <yqrashawn@users.noreply.github.com>

.github/scripts/bump_version_dot_go.mjs

@@ -0,0 +1,37 @@
+import { URL } from "url";
+import { readFileSync, writeFileSync } from "fs";
+
+const versionFilePath = new URL(
+  "../../common/version/version.go",
+  import.meta.url
+).pathname;
+
+const versionFileContent = readFileSync(versionFilePath, { encoding: "utf-8" });
+
+const currentVersion = versionFileContent.match(
+  /var tag = "(?<version>v(?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+))"/
+);
+
+try {
+  parseInt(currentVersion.groups.major);
+  parseInt(currentVersion.groups.minor);
+  parseInt(currentVersion.groups.patch);
+} catch (err) {
+  console.error(new Error("Failed to parse version in version.go file"));
+  throw err;
+}
+
+// prettier-ignore
+const newVersion = `v${currentVersion.groups.major}.${currentVersion.groups.minor}.${parseInt(currentVersion.groups.patch) + 1}`;
+
+console.log(
+  `Bump version from ${currentVersion.groups.version} to ${newVersion}`
+);
+
+writeFileSync(
+  versionFilePath,
+  versionFileContent.replace(
+    `var tag = "${currentVersion.groups.version}"`,
+    `var tag = "${newVersion}"`
+  )
+);

.github/workflows/bump_version.yml

@@ -0,0 +1,56 @@
+name: Bump Version
+
+on:
+  pull_request:
+    branches: [develop]
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    outputs:
+      check-result: ${{ steps.check-diff.outputs.result }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: check diff
+        id: check-diff
+        run: |
+          set -euo pipefail
+
+          # fetch develop branch so that we can diff against later
+          git fetch origin develop
+
+          echo 'checking verion changes in diff...'
+
+          # check if version changed in version.go
+          # note: the grep will fail if use \d instead of [0-9]
+          git diff HEAD..origin/develop --text --no-ext-diff --unified=0 --no-prefix common/version/version.go | grep -E '^\+var tag = "v[0-9]+\.[0-9]+\.[0-9]+"$' && true
+
+          exit_code=$?
+
+          # auto bump if version is not bumped manually
+          echo '> require auto version bump?'
+
+          if [ $exit_code -eq 0 ]; then
+            echo '> no, already bumped'
+            echo "result=no-bump" >> "$GITHUB_OUTPUT"
+          else
+            echo '> yes'
+            echo "result=bump" >> "$GITHUB_OUTPUT"
+          fi
+  bump:
+    runs-on: ubuntu-latest
+    needs: check
+    if: needs.check.outputs.check-result == 'bump'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Install Node.js 16
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+      - name: bump version in common/version/version.go
+        run: node .github/scripts/bump_version_dot_go.mjs
+      - uses: stefanzweifel/git-auto-commit-action@3ea6ae190baf489ba007f7c92608f33ce20ef04a
+        with:
+          commit_message: "chore: auto version bump [bot]"

common/version/version.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 )
 
-var tag = "v4.1.46"
+var tag = "v4.1.47"
 
 var commit = func() string {
 	if info, ok := debug.ReadBuildInfo(); ok {