core(workflows): プルリクエストに対し build を実行し "site/pull/番号" 以下にアップロード

#1273 (comment)

.github/workflows/build.yml

@@ -14,61 +14,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - name: Register SSH key
-      env:
-        CPPREFJP_GITHUB_IO_SECRETS: ${{ secrets.CPPREFJP_GITHUB_IO_SECRETS }}
-      run: |
-        mkdir -p $HOME/.ssh
-        echo "$CPPREFJP_GITHUB_IO_SECRETS" > $HOME/.ssh/id_ed25519
-        chmod 600 $HOME/.ssh/id_ed25519
-
-    # site_generator
-    - uses: actions/checkout@v4
-      with:
-        repository: cpprefjp/site_generator
-        path: site_generator
-    - run: git submodule update -i
-      working-directory: site_generator
-
-    # kunai
-    - uses: actions/checkout@v4
-      with:
-        repository: cpprefjp/kunai
-        path: site_generator/kunai
-    - run: git submodule update -i
-      working-directory: site_generator/kunai
-
-    # cpprefjp.github.io
-    - uses: actions/checkout@v4
-      with:
-        repository: cpprefjp/cpprefjp.github.io
-        path: site_generator/cpprefjp/cpprefjp.github.io
-
-    # site
-    - uses: actions/checkout@v4
-      with:
-        repository: cpprefjp/site
-        path: site_generator/cpprefjp/site
-        # atom 生成のために全履歴が必要
-        fetch-depth: 0
-    - run: git submodule update -i
-      working-directory: site_generator/cpprefjp/site
-
-    # site
-    - uses: actions/checkout@v2
+    - name: cpprefjp-build
+      uses: ./.github/cpprefjp-build
       with:
-        repository: cpprefjp/image
-        path: site_generator/cpprefjp/image
-
-    - name: Set up Python 3.x
-      uses: actions/setup-python@v5
-      with:
-        python-version: 3.11
-        # 3.12でUndefined symbolエラーがでた
-
-    # あとはスクリプトで頑張る
-    - run: ./cpprefjp/site/.github/workflows/script/build.sh
-      working-directory: site_generator
+        arguments:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/check.yml

@@ -60,3 +60,15 @@ jobs:
         path: ${{ env.REPO_DIR }}
     - name: check
       run: "! $BIN_DIR/rg -t md --vimgrep '[\u00ad\u200b]' $REPO_DIR"
+
+  build:
+    if: github.repository_owner == 'cpprefjp' && github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+    concurrency:
+      group: ${{ github.workflow }}-pull-${{ github.event.number }}
+      cancel-in-progress: true
+    steps:
+    - name: cpprefjp-build
+      uses: ./.github/cpprefjp-build
+      with:
+        arguments: --pull ${{ github.event.number }}

.github/workflows/cpprefjp-build/action.yml

@@ -0,0 +1,61 @@
+name: cpprefjp-build
+description: "cpprefjp サイトをビルドするためのアクション"
+
+runs:
+  using: composite
+  steps:
+    - name: Register SSH key
+      env:
+        CPPREFJP_GITHUB_IO_SECRETS: ${{ secrets.CPPREFJP_GITHUB_IO_SECRETS }}
+      run: |
+        mkdir -p $HOME/.ssh
+        echo "$CPPREFJP_GITHUB_IO_SECRETS" > $HOME/.ssh/id_ed25519
+        chmod 600 $HOME/.ssh/id_ed25519
+
+    # site_generator
+    - uses: actions/checkout@v4
+      with:
+        repository: cpprefjp/site_generator
+        path: site_generator
+    - run: git submodule update -i
+      working-directory: site_generator
+
+    # kunai
+    - uses: actions/checkout@v4
+      with:
+        repository: cpprefjp/kunai
+        path: site_generator/kunai
+    - run: git submodule update -i
+      working-directory: site_generator/kunai
+
+    # cpprefjp.github.io
+    - uses: actions/checkout@v4
+      with:
+        repository: cpprefjp/cpprefjp.github.io
+        path: site_generator/cpprefjp/cpprefjp.github.io
+
+    # site
+    - uses: actions/checkout@v4
+      with:
+        repository: cpprefjp/site
+        path: site_generator/cpprefjp/site
+        # atom 生成のために全履歴が必要
+        fetch-depth: 0
+    - run: git submodule update -i
+      working-directory: site_generator/cpprefjp/site
+
+    # site
+    - uses: actions/checkout@v2
+      with:
+        repository: cpprefjp/image
+        path: site_generator/cpprefjp/image
+
+    - name: Set up Python 3.x
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.11
+        # 3.12でUndefined symbolエラーがでた
+
+    # あとはスクリプトで頑張る
+    - run: ./cpprefjp/site/.github/workflows/script/build.sh ${{ inputs.arguments }}
+      working-directory: site_generator

.github/workflows/script/build.sh

@@ -33,14 +33,43 @@ popd
 pip3 install -r docker/requirements.txt
 python3 run.py settings.cpprefjp --concurrency=`nproc`
 
-# 生成されたサイトの中身を push
-pushd cpprefjp/cpprefjp.github.io
-  # push するために ssh のリモートを追加する
-  git remote add origin2 [email protected]:cpprefjp/cpprefjp.github.io.git
-
-  git add ./ --all
-  git config --global user.email "[email protected]"
-  git config --global user.name "cpprefjp-autoupdate"
-  git commit -a -m "update automatically"
-  git push origin2 master
-popd
+if (($# == 0)); then
+  # 生成されたサイトの中身を push
+  pushd cpprefjp/cpprefjp.github.io
+    # push するために ssh のリモートを追加する
+    git remote add origin2 [email protected]:cpprefjp/cpprefjp.github.io.git
+
+    git add ./ --all
+    git config --global user.email "[email protected]"
+    git config --global user.name "cpprefjp-autoupdate"
+    git commit -a -m "update automatically"
+    git push origin2 master
+  popd
+
+elif [[ $1 == --pull ]]; then
+  if [[ $2 ]]; then
+    printf '%s\n' "プルリクエスト番号が指定されていません" >&2
+    exit 2
+  fi
+
+  [email protected]:cpprefjp/site.git
+  working_directory=cpprefjp/cpprefjp.github.io-site
+
+  git remote add origin2 "$target_repository"
+  git clone --depth=1 [email protected]:cpprefjp/site.git -b gh-pages "$working_directory"
+  rm -rf "$working_directory/pull/$2"
+  mkdir -p "$working_directory/pull/$2"
+  cp -r cpprefjp/cpprefjp.github.io/* "$working_directory/pull/$2"/
+  pushd "$working_directory"
+    git add ./ --all
+    git config --global user.email "[email protected]"
+    git config --global user.name "cpprefjp-autoupdate"
+    git commit -a -m "update automatically"
+    git push origin2 gh-pages
+  popd
+
+else
+  printf '%s\n' "コマンドライン引数が認識できません: $1" >&2
+  exit 2
+
+fi