From 08aae8cffba7151340bd6c0cd7331722b9f9a80a Mon Sep 17 00:00:00 2001
From: Pascal Grimaud <pascalgrimaud@gmail.com>
Date: Sun, 4 Oct 2020 18:28:57 +0200
Subject: [PATCH] feat: GitHub Actions Improve triage (#12641)

This improves the GitHub triage action to check if labels already exist.
---
 .github/workflows/triage.yml | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/triage.yml b/.github/workflows/triage.yml
index c0fd5d11497b..b21dff26fada 100644
--- a/.github/workflows/triage.yml
+++ b/.github/workflows/triage.yml
@@ -29,4 +29,22 @@ jobs:
                   github-token: ${{secrets.GITHUB_TOKEN}}
                   script: |
                       const issue = { owner: context.issue.owner, repo: context.issue.repo, issue_number: context.issue.number }
-                      github.issues.addLabels({...issue, labels: ['area: triage', 'theme: undefined']})
+                      github.issues.listLabelsOnIssue({...issue}).then(response => {
+                        const labels = response.data
+                        let missingLabel = [], missingArea = true, missingTheme = true
+                        for (const label of labels) {
+                          if (label.name.includes('area: ')) {
+                            missingArea = false
+                          }
+                          if (label.name.includes('theme: ')) {
+                            missingTheme = false
+                          }
+                        }
+                        if (missingArea) {
+                          missingLabel.push('area: triage')
+                        }
+                        if (missingTheme) {
+                          missingLabel.push('theme: undefined')
+                        }
+                        github.issues.addLabels({...issue, labels: missingLabel})
+                      })