Batch update labels in Github repos

Gemfile

gem "octokit", "~> 4.0"

rename_labels.rb

require 'octokit'
require 'json'

Octokit.auto_paginate = true

client = Octokit::Client.new(:access_token => "MY_TOKEN")

repos = [
	# 'silverstripe/silverstripe-siteconfig',
	'silverstripe/silverstripe-admin',
	'silverstripe/silverstripe-asset-admin',
	'silverstripe/silverstripe-cms',
	'silverstripe/silverstripe-installer',
	'silverstripe/silverstripe-reports',
	'silverstripe/silverstripe-subsites',
	'silverstripe/silverstripe-upgrader',
	'silverstripe/silverstripe-versioned',
]

default_labels = {
	"affects/v3" => "d4c5f9",
	"affects/v4" => "5319e7",
	"change/major" => "e99695",
	"change/minor" => "f9d0c4",
	"change/patch" => "fef2c0",
	"effort/easy" => "c2e0c6",
	"effort/hard" => "f9d0c4",
	"effort/medium" => "fef2c0",
	# "Epic =>" "3E4B9E",
	"feedback-required/author" => "DDDDDD",
	"feedback-required/core-team" => "DDDDDD",
	"impact/critical" => "e11d21",
	"impact/high" => "eb6420",
	"impact/low" => "fef2c0",
	"impact/medium" => "f7c6c7",
	"rfc/accepted" => "DDDDDD",
	"rfc/draft" => "DDDDDD",
	"type/bug" => "d93f0b",
	"type/docs" => "02d7e1",
	"type/enhancement" => "0e8a16",
	"type/frontend" => "c5def5",
	"type/userhelp" => "c5def5",
	"type/UX" => "006b75",
}

rename_labels = {
	"bug" => "type/bug",
	"critical" => "impact/critical",
	"enhancement" => "type/enhancement",
}

remove_labels = [
	'wontfix',
	'question',
	'invalid',
	'help wanted',
	'duplicate',
	'in progress'
]

repos.each do | repo |
	puts '# Repo %s' % repo

	repo_labels = client.labels(repo)
	rename_labels.each do |from_name, to_name|
		existing_label = repo_labels.select{|k,v| k.name == from_name}.first
		if existing_label
			puts 'Renaming label from %s to %s' % [from_name, to_name]
			client.update_label(repo, from_name, {:name => to_name})
		end
	end

	# Fetch labels again because they might've been renamed
	repo_labels = client.labels(repo)
	default_labels.each do |name, color|
		existing_label = repo_labels.select{|k,v| k.name == name}.first
		if existing_label
			puts 'Updating label %s' % (name)
			client.update_label(repo, name, {:color => color})
		else
			puts 'Adding label %s' % (name)
			client.add_label(repo, name, color)
		end
	end

	remove_labels.each do |name|
		puts 'Removing label %s' % (name)
		client.delete_label!(repo, name)
	end
	
end

A new label to remove has popped up: good first issue (cc @chillu)

Apparently the Gemfile should indicate a source above dependancies now:

source 'https://rubygems.org'
gem "octokit", "~> 4.0"

https://github.com/sshaw/batchlabels