A simple script to keep tabs on an organizations use of default branches. It requires a personal access token for private repos.

stats.rb

# End qualified immunity
# End cash bail
# Defund the police
# Invest in addiction treatment, education, and healthcare
#
# Donate: https://www.naacpldf.org/support/fiscal-responsibility/
# 
# git branch -m master main
# git push -u origin main
# Change the default branch (and updated the protected branch)
# open https://github.com/<owner>/<repo>/settings/branches

require 'octokit'

client = Octokit::Client.new(access_token: ENV['GITHUB_TOKEN'], auto_paginate: true)
repos = client.org_repos("your_org_name_here").filter(&:archived?).group_by(&:default_branch)

counts = repos.map do |default_branch, repos|
  [default_branch, repos.count]
end

sorted = counts.sort_by do |default_branch, count|
  -count
end

puts
puts
puts

filtered = sorted.filter do |branch, count|
  count <= 1
end

filtered.each do |branch, count|
  puts [branch, "has", count, "repos"].join(" ")
end

stats.yml

name: stats
on:
  push:
  schedule:
  - cron: '0 0 * * *' # Once per day at midnight
jobs:
  stats:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Set up Ruby
      uses: actions/setup-ruby@v1
      with:
        ruby-version: 2.6
    - name: Run script
      run: |
        gem install --no-document octokit
        GITHUB_TOKEN=${{ secrets.PAT }} ruby stats.rb