Added delete-merged-branches.nu (#255)

Co-authored-by: Yethal <nosuchemail@email.com>

github/branch-protections/branch-protections.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Nu
         uses: hustcer/setup-nu@main
         with:
-          version: '0.63.0'
+          version: '0.64.0'
       - run: ./branch-protections.nu
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

github/merged-branches/README.md

@@ -0,0 +1,9 @@
+# Merged Branches
+
+### Definition
+
+Do your developers often forget to delete their branches after merging PRs? Are you tired of manually going into every repository and deleting them? Don't! Let nushell do it for you!
+
+### Setup
+1. Create a repo in your organization account to store the github action
+1. Push both the attached script and the github action to the repo

github/merged-branches/merged-branches.nu

@@ -0,0 +1,15 @@
+#!/usr/bin/env nu
+gh api $"orgs/($env.OWNER)/repos"
+|from json
+|each {|repo|
+    gh api $"repos/($env.OWNER)/($repo.name)/pulls?state=closed"
+    |from json
+    |if ($in|length) > 0 {
+        each {|pull|
+            print $"Removing branch ($pull.head.ref) from repo ($repo.name)"
+            gh api -X DELETE $"repos/($env.OWNER)/($repo.name)/git/refs/heads/($pull.head.ref)"
+        }
+    } else {
+        print $"Repo ($repo.name) has no branches to delete"
+    }
+}

github/merged-branches/merged-branches.yml

@@ -0,0 +1,25 @@
+---
+name: Delete merged branches from all repositories
+'on':
+  schedule:
+    - cron: '0 * * * *'
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: nu {0}
+
+jobs:
+  delete-merged-branches:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Setup Nu
+        uses: hustcer/setup-nu@main
+        with:
+          version: '0.64.0'
+      - run: ./merged-branches.nu
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          OWNER: ${{ github.repository_owner }}