処理内容を説明するコメント追加 (#1687)

* 処理内容を説明するコメント追加

* format修正のPR -> 修正PR

action.yml

@@ -64,7 +64,7 @@ runs:
         script: |
           const script = require('${{ github.action_path }}/scripts/action/get_pull_requests.js')
           return await script({github, context})
-    # pushしたブランチでPRを作る
+    # pushしたブランチで修正PRを作る
     - name: Create PullRequest
       uses: actions/[email protected]
       if: steps.diff.outputs.result != '' && steps.get_pull_requests.outputs.result == 0 && ((github.event_name == 'pull_request' && github.event.action != 'closed') || github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'repository_dispatch')
@@ -79,6 +79,7 @@ runs:
         script: |
           const script = require('${{ github.action_path }}/scripts/action/create_pull_request.js')
           return await script({github, context})
+    # 元のPRを出したユーザーを修正PRにアサインする
     - name: Assign a user
       uses: actions/[email protected]
       if: steps.diff.outputs.result != '' && steps.get_pull_requests.outputs.result == 0 && github.event_name == 'pull_request' && github.event.action != 'closed' && github.event.pull_request.user.login != 'dependabot[bot]' && github.event.pull_request.user.login != 'renovate[bot]'
@@ -89,7 +90,7 @@ runs:
         script: |
           const script = require('${{ github.action_path }}/scripts/action/assign_a_user.js')
           await script({github, context})
-    # 既にformat修正のPRがある状態で、手動でformatを修正した場合、format修正のPRを閉じる
+    # 既に修正PRがある状態で、手動でformatを修正した場合、修正PRを閉じる
     - name: Close PullRequest
       uses: actions/[email protected]
       if: (github.event_name == 'pull_request' && (github.event.action == 'closed' || steps.diff.outputs.result == '')) || ((github.event_name == 'push' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'repository_dispatch') && steps.diff.outputs.result == '')
@@ -100,6 +101,7 @@ runs:
         script: |
           const script = require('${{ github.action_path }}/scripts/action/close_pull_request.js')
           await script({github, context})
+    # exit-failureがtrueで差分がある場合は異常終了する
     - name: Exit
       if: (github.event_name != 'pull_request' || github.event.action != 'closed') && steps.diff.outputs.result != '' && inputs.exit-failure == 'true'
       run: exit 1

scripts/action/close_pull_request.js

@@ -10,6 +10,8 @@ module.exports = async ({ github, context }) => {
     owner: context.repo.owner,
     repo: context.repo.repo,
   };
+
+  // 修正PRの情報を取得する
   const pullsListParams = {
     head: context.repo.owner + ":" + headName,
     state: "open",
@@ -19,13 +21,16 @@ module.exports = async ({ github, context }) => {
   const pulls = await github.paginate(github.rest.pulls.list, pullsListParams);
 
   for (const pull of pulls) {
+    // 修正PRをcloseする (修正PRのstateをclosedに更新する)
     const pullsUpdateParams = {
       pull_number: pull.number,
       state: "closed",
       ...commonParams,
     };
     console.log("call pulls.update:", pullsUpdateParams);
     await github.rest.pulls.update(pullsUpdateParams);
+
+    // 修正PRのブランチを削除する
     const gitDeleteRefParams = {
       ref: "heads/" + headName,
       ...commonParams,