From f0303416f577e9ffc4f6dacd531767328ea691fa Mon Sep 17 00:00:00 2001
From: Sarah Schneider <sarahs@github.com>
Date: Mon, 23 Nov 2020 17:03:02 -0500
Subject: [PATCH] use js to find the version substring from the label string

---
 .../enterprise-algolia-label.js               | 24 +++++++++++++++++++
 .../sync-single-english-algolia-index.yml     |  7 +++---
 2 files changed, 27 insertions(+), 4 deletions(-)
 create mode 100755 .github/actions-scripts/enterprise-algolia-label.js

diff --git a/.github/actions-scripts/enterprise-algolia-label.js b/.github/actions-scripts/enterprise-algolia-label.js
new file mode 100755
index 0000000000..bb8d8f8970
--- /dev/null
+++ b/.github/actions-scripts/enterprise-algolia-label.js
@@ -0,0 +1,24 @@
+#!/usr/bin/env node
+
+const fs = require('fs')
+const core = require('@actions/core')
+const eventPayload = JSON.parse(fs.readFileSync(process.env.GITHUB_EVENT_PATH, 'utf8'))
+
+// This workflow-run script:
+// 1. Gets an array of labels on a PR
+// 2. Finds one with the relevant Algolia text
+// 3. Gets the version substring from the label string
+
+const labelText = 'sync-english-index-for-'
+const labelsArray = eventPayload.pull_request.labels
+
+// Find the relevant label
+const algoliaLabel = labelsArray.find(label => label.startsWith(labelText))
+
+// Given: sync-english-index-for-enterprise-server@3.0
+// Returns: enterprise-server@3.0
+const versionToSync = algoliaLabel.split(labelText)[1]
+
+// Store the version so we can access it later in the workflow
+core.setOutput('versionToSync', versionToSync)
+process.exit(0)
\ No newline at end of file
diff --git a/.github/workflows/sync-single-english-algolia-index.yml b/.github/workflows/sync-single-english-algolia-index.yml
index 41048aedd2..b89c1f481d 100644
--- a/.github/workflows/sync-single-english-algolia-index.yml
+++ b/.github/workflows/sync-single-english-algolia-index.yml
@@ -15,7 +15,7 @@ on:
 jobs:
   updateIndices:
     name: Update English index for single version based on a label's version
-    if: github.repository == 'github/docs-internal' && startsWith(github.event.label.name, 'sync-english-index-for-')
+    if: github.repository == 'github/docs-internal' && contains(github.event.pull_request.labels.*.name, 'sync-english-index-for-')
     runs-on: ubuntu-latest
     steps:
       - name: checkout
@@ -34,11 +34,10 @@ jobs:
         run: npm ci
       - name: Get version from label
         id: getVersion
-        run: |
-          echo "::set-output name=version::$(github.event.label.name.split('sync-english-index-for-')[1])"
+        run: $GITHUB_WORKSPACE/.github/actions-scripts/enterprise-algolia-label.js
       - name: Sync English index for single version
         env:
-          VERSION: ${{ steps.getVersion.outputs.version }}
+          VERSION: ${{ steps.getVersion.outputs.versionToSync }}
           LANGUAGE: 'en'
           ALGOLIA_APPLICATION_ID: ${{ secrets.ALGOLIA_APPLICATION_ID }}
           ALGOLIA_API_KEY: ${{ secrets.ALGOLIA_API_KEY }}