From 5967fa44b3908fde0fcf3379c1d81c53a82903d8 Mon Sep 17 00:00:00 2001
From: Michael Perrotte <mike@npmjs.com>
Date: Fri, 10 Jan 2020 02:59:33 -0500
Subject: feat: added workflow file for commenting on a pull-request to
 dispatch trigger benchmark suite

---
 .github/workflows/benchmark-comment.yml | 92 +++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 .github/workflows/benchmark-comment.yml

diff --git a/.github/workflows/benchmark-comment.yml b/.github/workflows/benchmark-comment.yml
new file mode 100644
index 000000000..de86c3c13
--- /dev/null
+++ b/.github/workflows/benchmark-comment.yml
@@ -0,0 +1,92 @@
+---
+name: Benchmark CLI - Comment
+
+on:
+  issue_comment:
+    types: [created, edited]
+
+jobs:
+  comment-handler:
+    name: Trigger Benchmarks
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Handle Incoming Comment
+        env:
+          DISPATCH_REPO: "benchmarks"
+          DISPATCH_OWNER: "npm"
+          EVENT_NAME: ${{ github.event_name }}
+          EVENT_ACTION: ${{ github.event.action }}
+          OWNER: ${{ github.event.repository.owner.login }}
+          REPO: ${{ github.event.repository.name }}
+          ISSUE_NUMBER: ${{ github.event.issue.number }}
+          COMMENT_BODY: ${{ github.event.comment.body }}
+          COMMENT_ID: ${{ github.event.comment.id }}
+          COMMENT_NODE_ID: ${{ github.event.comment.node_id }}
+          COMMENT_ACTIONABLE: ${{ startsWith(github.event.comment.body, 'test this please ✅') }}
+          AUTH_TOKEN: ${{ secrets.NPM_DEPLOY_USER_PAT }}
+        run: |
+          # Comment Handler
+
+          # Creates an exit early condition if there are errors
+          # Exit early if `jq` is not present
+          set -e
+          jq --version
+
+          # Figure out if comment came from pull-request or issue
+          IS_PR=$(curl -s https://api.github.com/repos/${OWNER}/${REPO}/issues/${ISSUE_NUMBER} | jq -cr '.pull_request.url')
+
+          if [ "${IS_PR}" != "null" ]; then
+            echo "Comment from pull/${ISSUE_NUMBER}."
+
+            # It is a pull-request; check comment body for correct phrase
+            if [ "${COMMENT_ACTIONABLE}" == "true" ]; then
+              # Fetch pull-request information
+              PR_DATA=$(curl -s "${IS_PR}")
+              PR_OWNER=$(echo "${PR_DATA}" | jq '.head.repo.owner.login')
+              PR_REPO=$(echo "${PR_DATA}" | jq '.head.repo.name')
+              PR_COMMIT_SHA=$(curl -s "${IS_PR}/commits" | jq -r '.[0].sha')
+
+              # dispatch request for benchmarks
+              echo "Dispatching request..."
+              curl \
+                -s \
+                -X POST https://api.github.com/repos/${DISPATCH_OWNER}/${DISPATCH_REPO}/dispatches \
+                -H "Accept: application/vnd.github.everest-preview+json" \
+                -H "Authorization: token ${AUTH_TOKEN}" \
+                -d \
+                '
+                {
+                  "event_type": "'"${EVENT_NAME}"'",
+                  "client_payload": {
+                    "pr_id": "'"${ISSUE_NUMBER}"'",
+                    "repo": "'"${PR_REPO}"'",
+                    "owner": "'"${PR_OWNER}"'",
+                    "commit_sha": "'"${PR_COMMIT_SHA}"'"
+                  }
+                }'
+
+              # Create reaction on comment to confirm dispatch was sent
+              curl \
+                -s \
+                -X POST https://api.github.com/graphql \
+                -H "Content-Type: application/json" \
+                -H "Authorization: token ${AUTH_TOKEN}" \
+                -d \
+                '
+                {
+                  "query": "mutation($inputData:AddReactionInput!) { addReaction(input:$inputData) { reaction { content } } }",
+                  "variables": {
+                    "inputData": {
+                      "subjectId": "'"${COMMENT_NODE_ID}"'",
+                      "content": "ROCKET"
+                    }
+                  }
+                }'
+            else
+              echo "Comment not actionable."
+            fi
+          else
+            echo "Comment not from pull-request."
+          fi
-- 
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