git add -Aを使う (#124)

.gitignore

@@ -0,0 +1 @@
+node_modules

action.yml

@@ -23,13 +23,17 @@ inputs:
 runs:
   using: "composite"
   steps:
+    - shell: bash
+      if: github.event_name != 'pull_request' || github.event.action != 'closed'
+      name: git add
+      run: git add -A
     # 差分があったときは差分を出力する
     - name: Show diff
       id: diff
       shell: bash
       if: github.event_name != 'pull_request' || github.event.action != 'closed'
       run: |
-        result=$(git diff)
+        result=$(git diff --cached)
         echo "::set-output name=result::$result"
     # 差分があったときは、コミットを作りpushする
     - name: Push
@@ -42,7 +46,6 @@ runs:
         git config user.name "github-actions[bot]"
         EMAIL="41898282+github-actions[bot]@users.noreply.github.com"
         git config user.email "${EMAIL}"
-        git add -u
         git commit -m "${{inputs.pr-title-prefix}}"
         REPO_URL="https://"
         REPO_URL+="${{github.actor}}:${{inputs.github-token}}@github.com/"