github-changelog-generator/lib/github_changelog_generator/parser.rb

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#!/usr/bin/env ruby
require 'optparse'
require 'PP'
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require_relative 'version'
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module GitHubChangelogGenerator
class Parser
def self.parse_options
options = {:tag1 => nil, :tag2 => nil, :format => '%d/%m/%y', :output => 'CHANGELOG.md', :labels => %w(bug enhancement), :pulls => true, :issues => true, :verbose => true, :add_issues_wo_labels => true, :merge_prefix => '*Merged pull-request:* ', :author => true}
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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 this script required your OAuth token for GitHub. You can generate here: https://github.com/settings/tokens/new') do |last|
options[:token] = last
end
opts.on('-h', '--help', 'Displays Help') do
puts opts
exit
end
opts.on('--[no-]verbose', 'Run verbosely. Default is true') do |v|
options[:verbose] = v
end
opts.on('--[no-]issues', 'Include closed issues to changelog. Default is true') do |v|
options[:issues] = v
end
opts.on('--[no-]issues-without-labels', 'Include closed issues without any labels to changelog. Default is true') do |v|
options[:add_issues_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('-l', '--last-changes', 'Generate log between last 2 tags only') do |last|
options[:last] = last
end
opts.on('--[no-]author', 'Add author of pull-request in the end. Default is true') do |author|
options[:last] = author
end
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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('--labels x,y,z', Array, 'List of labels. Issues with that labels will be included to changelog. Default is \'bug,enhancement\'') do |list|
options[:labels] = list
end
opts.on('-v', '--version', 'Print version number') do |v|
puts "Version: #{GitHubChangelogGenerator::VERSION}"
exit
end
}
parser.parse!
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if options[:verbose]
puts 'Input options:'
pp options
puts ''
end
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#udefined case with 1 parameter:
if ARGV[0] && !ARGV[1]
puts parser.banner
exit
end
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if !options[:user] && !options[:project]
remote = `git remote -vv`.split("\n")
match = /.*(?:[:\/])((?:-|\w|\.)*)\/((?:-|\w|\.)*)\.git.*/.match(remote[0])
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if match && match[1] && match[2]
puts "Detected user:#{match[1]}, project:#{match[2]}"
options[:user], options[:project] = match[1], match[2]
end
end
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if !options[:user] || !options[:project]
puts parser.banner
exit
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end
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if ARGV[1]
options[:tag1] = ARGV[0]
options[:tag2] = ARGV[1]
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end
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options
end
end
end