ci: auto tag

.github/workflows/auto-tag.yml

@@ -0,0 +1,73 @@
+name: auto-tag
+
+on:
+  workflow_dispatch:
+    inputs:
+      release_body:
+        description: "Release note"
+        type: string
+        required: false
+      ref:
+        description: "Commit to build (git checkout)"
+        type: string
+        required: false
+
+jobs:
+  auto-tag:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        include:
+          - msbuild_target: x64
+            lowercase_target: x64
+      fail-fast: false
+    outputs:
+      tag: ${{ steps.set_tag.outputs.tag }}
+      pre_version: ${{ steps.set_tag.outputs.pre_version }}
+      main_tag_name: ${{ steps.push_main_tag.outputs.main_tag_name }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install semver
+        run: |
+          npm install --global --progress semver
+
+      - name: Set tag
+        id: set_tag
+        run: |
+          # pre_version是上一个公版，这里需要拉上一个tag，避免堆积过多commit
+          $latest_tag=$(git describe --tags --abbrev=0)
+          echo "latest_tag=$latest_tag" >> $env:GITHUB_OUTPUT
+          $described = $(git describe --tags --long --match 'v*')
+          $ids = $($described -split "-")
+          if ($ids.length -eq 3) {
+            $ver = "v$(semver --increment $ids[0].Substring(1))"
+            $pre_version = "$($ids[0])"
+            $dist = `printf "%03d"` $ids[1]
+            echo "tag=$ver-alpha.1.d$($dist).$($ids[2])" >> $env:GITHUB_OUTPUT
+            echo "pre_version=$pre_version" >> $env:GITHUB_OUTPUT
+            exit 0
+          }
+          if ($ids.length -eq 4) {
+            $dist = `printf "%03d"` $ids[2]
+            $pre_version = "$($ids[0])-$($ids[1])"
+            echo "pre_version=$pre_version" >> $env:GITHUB_OUTPUT
+            echo "tag=$pre_version.d$($dist).$($ids[3])" >> $env:GITHUB_OUTPUT
+            exit 0
+          }
+          exit 1
+
+      - name: Push tag to main repo
+        id: push_main_tag
+        run: |
+          git config user.name 'github-actions[bot]'
+          git config user.email 'github-actions[bot]@users.noreply.github.com'
+
+          $main_tag_name=$(echo "alpha/${{ steps.set_tag.outputs.tag }}")
+          git tag $main_tag_name -f
+          git push --tags origin HEAD:refs/tags/$main_tag_name -f
+          echo "main_tag_name=$main_tag_name" >> $env:GITHUB_OUTPUT