find-repository-push-events.rb

#!/usr/bin/ruby -w

require 'json'
require 'net/https'
require 'pp'

usage_message = <<EOUSAGE
Usage: #{$0} <OWNER> <RESPOSITORY-NAME> <REF>

For example, you could run:

  #{$0} acardona CATMAID refs/heads/master

EOUSAGE

unless ARGV.length == 3
  STDERR.puts usage_message
  exit(1)
end

owner, repository_name, ref = ARGV

# You can generate a token using cURL, as described here:
# https://help.github.com/articles/creating-an-oauth-token-for-command-line-use

token = nil
open(ENV['HOME']+ '/.github-oauth-token.json') do |f|
  token = JSON.parse(f.read)['token']
end

unless token
  STDERR.puts "Failed to find the GitHub API token"
  exit(1)
end

# Now fetch the list of repositories from the GitHub API:

http = Net::HTTP.new('api.github.com', 443)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_PEER

http.ca_path = '/etc/ssl/certs'

response = http.get("/repos/#{owner}/#{repository_name}/events",
                    'Authorization' => "bearer #{token}")

if response.code != '200'
  STDERR.puts "The GitHub API call failed with status #{response.code}: #{response.body}"
  exit(1)
end

push_events = JSON.parse(response.body).select { |x|
  x['type'] == 'PushEvent' && x['payload']['ref'] == ref
}

pp push_events