From 4c832ad98440e5f56a490e5f884a218cbfd2056d Mon Sep 17 00:00:00 2001
From: Elliot DeNolf <denolfe@gmail.com>
Date: Sun, 26 May 2024 22:00:15 -0400
Subject: [PATCH] ci: update status labels on issue change

---
 .github/workflows/label-on-change.yml | 105 ++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 .github/workflows/label-on-change.yml

diff --git a/.github/workflows/label-on-change.yml b/.github/workflows/label-on-change.yml
new file mode 100644
index 0000000000..d0278d8482
--- /dev/null
+++ b/.github/workflows/label-on-change.yml
@@ -0,0 +1,105 @@
+name: label-on-change
+
+on:
+  # https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request_target
+  issues:
+    types:
+      - assigned
+      - unassigned
+      - closed
+      - edited
+      - labeled
+      - reopened
+
+  # TODO: Handle labeling on comment
+
+jobs:
+  on-labeled-ensure-one-status:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    # Only run on issue labeled and if label starts with 'status:'
+    if: github.event.action == 'labeled' && startsWith(github.event.label.name, 'status:')
+    steps:
+      - name: Ensure only one status label
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            // Get all labels that start with 'status:' and are not the incoming label
+            const incomingLabelName = context.payload.label.name;
+            const labelNamesToRemove = context.payload.issue.labels
+              .filter(label => label.name.startsWith('status:') && label.name !== incomingLabelName)
+              .map(label => label.name);
+
+            if (!labelNamesToRemove.length) {
+              console.log('No labels to remove');
+              return;
+            }
+
+            console.log(`Labels to remove: '${labelNamesToRemove}'`);
+
+            // If there is more than one status label, remove all but the incoming label
+            for (const labelName of labelNamesToRemove) {
+              await github.rest.issues.removeLabel({
+                issue_number: context.issue.number,
+                name: labelName,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+              });
+              console.log(`Removed '${labelName}' label`);
+            }
+
+  on-issue-close:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    if: github.event.action == 'closed'
+    steps:
+      - name: Remove all labels on issue close
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            // Get all labels that start with 'status:' and 'stale'
+            const labelNamesToRemove = context.payload.issue.labels
+              .filter(label => label.name.startsWith('status:') || label.name === 'stale')
+              .map(label => label.name);
+
+            if (!labelNamesToRemove.length) {
+              console.log('No labels to remove');
+              return;
+            }
+
+            console.log(`Labels to remove: '${labelNamesToRemove}'`);
+
+            for (const labelName of labelNamesToRemove) {
+              await github.rest.issues.removeLabel({
+                issue_number: context.issue.number,
+                name: labelName,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+              });
+              console.log(`Removed '${labelName}' label`);
+            }
+
+  on-issue-reopen:
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+    if: github.event.action == 'reopened'
+    steps:
+      - name: Add needs-triage label on issue reopen
+        uses: actions-ecosystem/action-add-labels@v1
+        with:
+          labels: 'status: needs-triage'
+
+  # on-pr-merge:
+  #   runs-on: ubuntu-latest
+  #   if: github.event.pull_request.merged == true
+  #   steps:
+
+  # on-pr-close:
+  #   runs-on: ubuntu-latest
+  #   if: github.event_name == 'pull_request_target' && github.event.pull_request.merged == false
+  #   steps: