issues.rb

#!/usr/bin/env ruby

require 'set'
require 'uri'
require 'net/http'
require 'json'
require 'pry'

URL = 'https://projects.theforeman.org'

unless ARGV.size == 3
  puts "Usage: #{$0} PROJECT RELEASE_NAME PREV_RELEASE_NAME"
  puts "Example: #{$0} foreman 1.22.0 1.21.0"
  exit 1
end

@project_name = ARGV[0]
current_release_name = ARGV[1]
prev_release_name = ARGV[2]

git_issues = Set.new(`git hist #{prev_release_name}.. |grep -i fixes  |egrep -o \"[ ,]#[0-9]*\"|sed -e 's/[ ,]#//g'`.split.map(&:to_i))

def url_to_json(url)
  uri = URI(URI.escape(url))
  response = Net::HTTP.get(uri)
  JSON.parse(response)
end

# Determine version
def get_version_id(project, release)
  url = "#{URL}/projects/#{project}/versions.json"
  result = url_to_json(url)
  return nil if result['versions'].nil?
  result = result['versions'].detect{|v| v['name'] == release }
  return nil if result.nil?
  result['id']
rescue
  puts "Error getting version list from #{url}"
  exit 1
end

current_release_id = get_version_id(@project_name, current_release_name)
prev_release_id = get_version_id(@project_name, prev_release_name)


if current_release_id.nil?
  puts "Release #{current_release_name} not found in the project #{@project_name}"
  exit 1
end

def gather_issues(release_id, offset = 0)
  url = "#{URL}/projects/#{@project_name}/issues.json?offset=#{offset}&limit=100&f[]=subproject_id&op[subproject_id]=!*&f[]=status_id&op[status_id]==&v[status_id][]=5&f[]=cf_12&op[cf_12]==&v[cf_12][]=#{release_id}"
  result = url_to_json(url)
  if result['total_count'].to_i - offset - 100 <= 0
    result['issues']
  else
    result['issues'] += gather_issues(release_id, offset + 100)
  end
end
redmine = Set.new(gather_issues(current_release_id).map{|issue| issue['id']})
redmine_prev = Set.new(gather_issues(prev_release_id).map{|issue| issue['id']})

puts "Issues only in redmine:"
puts (redmine - git_issues).sort.map{|id| "#{URL}/issues/#{id}"}.join("\n")

puts "Issues only in git:"
puts (git_issues - redmine - redmine_prev).sort.map{|id| "#{URL}/issues/#{id}"}.join("\n")

@ekohl almost - https://github.com/tbrisker/dotfiles/blob/master/.gitconfig#L18