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parser.rb
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#!/usr/bin/env ruby
require 'optparse'
require 'pp'
require_relative 'version'
module GitHubChangelogGenerator
class Parser
def self.parse_options
# :include_labels => %w(bug enhancement),
hash = {
:tag1 => nil,
:tag2 => nil,
:format => '%Y-%m-%d',
:output => 'CHANGELOG.md',
:exclude_labels => %w(duplicate question invalid wontfix),
:pulls => true,
:issues => true,
:verbose => true,
:add_issues_wo_labels => true,
:add_pr_wo_labels => true,
:merge_prefix => '**Merged pull requests:**',
:issue_prefix => '**Closed issues:**',
:bug_prefix => '**Fixed bugs:**',
:enhancement_prefix => '**Implemented enhancements:**',
:author => true,
:filter_issues_by_milestone => true,
:compare_link => true,
:unreleased => true,
:unreleased_label => 'Unreleased'
}
options = hash
parser = OptionParser.new { |opts|
opts.banner = 'Usage: 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 required. You can generate it here: https://github.com/settings/tokens/new') do |last|
options[:token] = last
end
opts.on('-f', '--date-format [FORMAT]', 'Date format. Default is %d/%m/%y') do |last|
options[: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 to changelog. Default is true') do |v|
options[:issues] = v
end
opts.on('--[no-]issues-wo-labels', 'Include closed issues without labels to changelog. Default is true') do |v|
options[:add_issues_wo_labels] = v
end
opts.on('--[no-]pr-wo-labels', 'Include pull requests without labels to changelog. Default is true') do |v|
options[:add_pr_wo_labels] = v
end
opts.on('--[no-]pull-requests', 'Include pull-requests to 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, 'Issues only with that labels will be included to changelog. Default is \'bug,enhancement\'') do |list|
options[:include_labels] = list
end
opts.on('--exclude-labels x,y,z', Array, 'Issues with that labels will be always excluded from changelog. Default is \'duplicate,question,invalid,wontfix\'') do |list|
options[:exclude_labels] = list
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('--[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
}
parser.parse!
if ARGV[0] && !ARGV[1]
github_site = options[:github_site] ? options[:github_site] : 'github.com'
# 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(ARGV[0])
begin
param = match[2].nil?
rescue
puts "Can't detect user and name from first parameter: '#{ARGV[0]}' -> exit'"
exit
end
if param
exit
else
options[:user] = match[1]
options[:project]= match[2]
end
end
if !options[:user] && !options[:project]
remote = `git remote -vv`.split("\n")
match = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)?(?:\.git).*/.match(remote[0])
if match && match[1] && match[2]
puts "Detected user:#{match[1]}, project:#{match[2]}"
options[:user], options[:project] = match[1], match[2]
end
end
if !options[:user] || !options[:project]
puts parser.banner
exit
end
if ARGV[1]
options[:tag1] = ARGV[0]
options[:tag2] = ARGV[1]
end
options
end
end
end

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