github-changelog-generator/lib/github_changelog_generator/parser.rb
2015-05-25 14:21:23 +03:00

216 lines
7.9 KiB
Ruby

#!/usr/bin/env ruby
require "optparse"
require "pp"
require_relative "version"
module GitHubChangelogGenerator
class Parser
def self.parse_options
options = {
tag1: nil,
tag2: nil,
date_format: "%Y-%m-%d",
output: "CHANGELOG.md",
issues: true,
add_issues_wo_labels: true,
add_pr_wo_labels: true,
pulls: true,
filter_issues_by_milestone: true,
author: true,
unreleased: true,
unreleased_label: "Unreleased",
compare_link: true,
include_labels: %w(bug enhancement),
exclude_labels: %w(duplicate question invalid wontfix),
max_issues: nil,
simple_list: false,
verbose: true,
merge_prefix: "**Merged pull requests:**",
issue_prefix: "**Closed issues:**",
bug_prefix: "**Fixed bugs:**",
enhancement_prefix: "**Implemented enhancements:**",
git_remote: "origin"
}
parser = OptionParser.new do |opts|
opts.banner = "Usage: github_changelog_generator [options]"
opts.on("-u", "--user [USER]", "Username of the owner of target GitHub repo") do |last|
options[:user] = last
end
opts.on("-p", "--project [PROJECT]", "Name of project on GitHub") do |last|
options[:project] = last
end
opts.on("-t", "--token [TOKEN]", "To make more than 50 requests per hour your GitHub token is required. You can generate it at: https://github.com/settings/tokens/new") do |last|
options[:token] = last
end
opts.on("-f", "--date-format [FORMAT]", "Date format. Default is %Y-%m-%d") do |last|
options[:date_format] = last
end
opts.on("-o", "--output [NAME]", "Output file. Default is CHANGELOG.md") do |last|
options[:output] = last
end
opts.on("--[no-]issues", "Include closed issues in changelog. Default is true") do |v|
options[:issues] = v
end
opts.on("--[no-]issues-wo-labels", "Include closed issues without labels in changelog. Default is true") do |v|
options[:add_issues_wo_labels] = v
end
opts.on("--[no-]pr-wo-labels", "Include pull requests without labels in changelog. Default is true") do |v|
options[:add_pr_wo_labels] = v
end
opts.on("--[no-]pull-requests", "Include pull-requests in changelog. Default is true") do |v|
options[:pulls] = v
end
opts.on("--[no-]filter-by-milestone", "Use milestone to detect when issue was resolved. Default is true") do |last|
options[:filter_issues_by_milestone] = last
end
opts.on("--[no-]author", "Add author of pull-request in the end. Default is true") do |author|
options[:author] = author
end
opts.on("--unreleased-only", "Generate log from unreleased closed issues only.") do |v|
options[:unreleased_only] = v
end
opts.on("--[no-]unreleased", "Add to log unreleased closed issues. Default is true") do |v|
options[:unreleased] = v
end
opts.on("--unreleased-label [label]", "Add to log unreleased closed issues. Default is true") do |v|
options[:unreleased_label] = v
end
opts.on("--[no-]compare-link", "Include compare link (Full Changelog) between older version and newer version. Default is true") do |v|
options[:compare_link] = v
end
opts.on("--include-labels x,y,z", Array, 'Only issues with the specified labels will be included in the changelog. Default is \'bug,enhancement\'') do |list|
options[:include_labels] = list
end
opts.on("--exclude-labels x,y,z", Array, 'Issues with the specified labels will be always excluded from changelog. Default is \'duplicate,question,invalid,wontfix\'') do |list|
options[:exclude_labels] = list
end
opts.on("--max-issues [NUMBER]", Integer, "Max number of issues to fetch from GitHub. Default is unlimited") do |max|
options[:max_issues] = max
end
opts.on("--github-site [URL]", "The Enterprise Github site on which your project is hosted.") do |last|
options[:github_site] = last
end
opts.on("--github-api [URL]", "The enterprise endpoint to use for your Github API.") do |last|
options[:github_endpoint] = last
end
opts.on("--simple-list", "Create simple list from issues and pull requests. Default is false.") do |v|
options[:simple_list] = v
end
opts.on("--future-release [RELEASE-VERSION]", "Put the unreleased changes in the specified release number.") do |future_release|
options[:future_release] = future_release
end
opts.on("--[no-]verbose", "Run verbosely. Default is true") do |v|
options[:verbose] = v
end
opts.on("-v", "--version", "Print version number") do |_v|
puts "Version: #{GitHubChangelogGenerator::VERSION}"
exit
end
opts.on("-h", "--help", "Displays Help") do
puts opts
exit
end
end
parser.parse!
detect_user_and_project(options)
if !options[:user] || !options[:project]
puts parser.banner
exit
end
if options[:verbose]
puts "Performing task with options:"
pp options
puts ""
end
options
end
def self.detect_user_and_project(options)
options[:user], options[:project] = user_project_from_option(ARGV[0], ARGV[1], options[:github_site])
if !options[:user] || !options[:project]
if ENV["RUBYLIB"] =~ /ruby-debug-ide/
options[:user] = "skywinder"
options[:project] = "changelog_test"
else
remote = `git config --get remote.#{options[:git_remote]}.url`
options[:user], options[:project] = user_project_from_remote(remote)
end
end
end
# Try to find user and project name from git remote output
#
# @param [String] output of git remote command
# @return [Array] user and project
def self.user_project_from_option(arg0, arg2, github_site = "github.com")
user = nil
project = nil
if arg0 && !arg2
# this match should parse strings such "https://github.com/skywinder/Github-Changelog-Generator" or "skywinder/Github-Changelog-Generator" to user and name
match = /(?:.+#{Regexp.escape(github_site)}\/)?(.+)\/(.+)/.match(arg0)
begin
param = match[2].nil?
rescue
puts "Can't detect user and name from first parameter: '#{arg0}' -> exit'"
exit
end
if param
exit
else
user = match[1]
project = match[2]
end
end
[user, project]
end
# Try to find user and project name from git remote output
#
# @param [String] output of git remote command
# @return [Array] user and project
def self.user_project_from_remote(remote)
# try to find repo in format:
# origin git@github.com:skywinder/Github-Changelog-Generator.git (fetch)
# git@github.com:skywinder/Github-Changelog-Generator.git
regex1 = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)(?:\.git).*/
# try to find repo in format:
# origin https://github.com/skywinder/ChangelogMerger (fetch)
# https://github.com/skywinder/ChangelogMerger
regex2 = /.*\/((?:-|\w|\.)*)\/((?:-|\w|\.)*).*/
remote_structures = [regex1, regex2]
user = nil
project = nil
remote_structures.each do |regex|
matches = Regexp.new(regex).match(remote)
if matches && matches[1] && matches[2]
puts "Detected user:#{matches[1]}, project:#{matches[2]}"
user = matches[1]
project = matches[2]
end
break unless matches.nil?
end
[user, project]
end
end
if __FILE__ == $PROGRAM_NAME
remote = "invalid reference to project"
p user_project_from_option(ARGV[0], ARGV[1], remote)
end
end