ci: setup command dispatcher (#1759)

.github/workflows/command.yml

@@ -0,0 +1,21 @@
+name: Command
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  dispatch:
+    name: Dispatch
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Dispatch website preview
+        uses: peter-evans/slash-command-dispatch@v3
+        with:
+          token: ${{ secrets.COMMAND_DISPATCH_TOKEN }}
+          issue-type: pull-request
+          dispatch-type: workflow
+          commands: website-preview
+          static-args: |
+            pull-request-number=${{ github.event.issue.number }}

.github/workflows/website-preview-command.yml

@@ -1,8 +1,13 @@
 name: Website Preview
 
 on:
-  issue_comment:
-    types: [created]
+  workflow_dispatch:
+    inputs:
+      pull-request-number:
+        description: "Pull request number from where the command was triggered"
+        required: true
+        type: string
+
   pull_request_target:
     types: [closed]
     branches: [main]
@@ -18,28 +23,15 @@ env:
 
 jobs:
   deploy:
-    if: >
-      github.event.issue.pull_request
-      && (
-        github.event.comment.author_association == 'OWNER'
-        || github.event.comment.author_association == 'MEMBER'
-      )
-      && startsWith(github.event.comment.body, '/deploy-website')
+    if: github.event_name == 'workflow_dispatch'
     name: Deploy
     runs-on: ubuntu-latest
 
     steps:
-      - name: Notify deployment triggered
-        uses: peter-evans/create-or-update-comment@v2
-        with:
-          issue-number: ${{ github.event.issue.number }}
-          comment-id: ${{ github.event.comment.id }}
-          reactions: "+1"
-
       - uses: actions/checkout@v3
 
       - name: Checkout pull request
-        run: hub pr checkout ${{ github.event.issue.number }}
+        run: hub pr checkout ${{ github.event.inputs.pull-request-number }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -53,7 +45,7 @@ jobs:
       - uses: actions/cache@v3
         with:
           path: website/.docusaurus
-          key: docusaurus-main-pr-${{ github.event.issue.number }}
+          key: docusaurus-main-pr-${{ github.event.inputs.pull-request-number }}
           restore-keys: |
             docusaurus-main-
 
@@ -66,7 +58,7 @@ jobs:
         run: yarn build
         env:
           URL: ${{ env.PREVIEW_URL }}
-          BASE_URL: ${{ env.PREVIEW_BASE_URL }}pr-${{ github.event.issue.number }}/
+          BASE_URL: ${{ env.PREVIEW_BASE_URL }}pr-${{ github.event.inputs.pull-request-number }}/
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
@@ -74,33 +66,33 @@ jobs:
           external_repository: ${{ env.PREVIEW_EXTERNAL_REPOSITORY }}
           deploy_key: ${{ secrets.PREVIEW_DEPLOY_KEY }}
           publish_dir: website/build
-          destination_dir: pr-${{ github.event.issue.number }}
-          full_commit_message: "deploy: pr-${{ github.event.issue.number }}"
+          destination_dir: pr-${{ github.event.inputs.pull-request-number }}
+          full_commit_message: "deploy pr-${{ github.event.inputs.pull-request-number }}"
           keep_files: true
 
       - name: Notify deployment succeeded
         if: ${{ success() }}
         uses: peter-evans/create-or-update-comment@v2
         with:
-          issue-number: ${{ github.event.issue.number }}
+          issue-number: ${{ github.event.inputs.pull-request-number }}
           body: |
             **:rocket: Preview deployment succeeded!**
 
-            Preview: ${{ env.PREVIEW_URL }}${{ env.PREVIEW_BASE_URL }}pr-${{ github.event.issue.number }}/
+            Preview: ${{ env.PREVIEW_URL }}${{ env.PREVIEW_BASE_URL }}pr-${{ github.event.inputs.pull-request-number }}/
             Workflow: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
 
       - name: Notify deployment failed
         if: ${{ failure() }}
         uses: peter-evans/create-or-update-comment@v2
         with:
-          issue-number: ${{ github.event.issue.number }}
+          issue-number: ${{ github.event.inputs.pull-request-number }}
           body: |
             **:boom: Preview deployment failed!**
 
             Workflow: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
 
   clean:
-    if: github.event.action == 'closed'
+    if: github.event_name == 'pull_request_target' && github.event.action == 'closed'
     name: Clean
     runs-on: ubuntu-latest
 
@@ -110,15 +102,9 @@ jobs:
           repository: ${{ env.PREVIEW_EXTERNAL_REPOSITORY }}
           ssh-key: ${{ secrets.PREVIEW_DEPLOY_KEY }}
 
-      - name: Clean preview
-        run: |
-          git config --local user.name 'github-actions[bot]'
-          git config --local user.email 'github-actions[bot]@users.noreply.github.com'
+      - name: Remove files
+        run: rm -fR pr-${{ github.event.pull_request.number }}
 
-          rm -fR pr-${{ github.event.pull_request.number }}
-
-          if ! git diff-index --quiet HEAD --; then
-            git add .
-            git commit -m "clean: pr-${{ github.event.pull_request.number }}"
-            git push
-          fi
+      - uses: endbug/add-and-commit@v9
+        with:
+          message: "clean pr-${{ github.event.pull_request.number }}"