File indexing completed on 2024-05-19 15:38:53

 #!/usr/bin/env ruby
 # This script attempts to make sense of my commits into a decent CHANGELOG.
 # SPDX-FileCopyrightText: 2020 L. E. Segovia <amy@amyspark.me>
 # SPDX-License-Identifier: BSD-3-Clause
 
 # frozen_string_literal: true
 
 require 'date'
 require 'optparse'
 require 'ostruct'
 require 'pathname'
 
 options = OpenStruct.new
 
 opts = OptionParser.new do |o|
   o.on_tail('-h', '--help', 'Show this usage statement') do |_h|
     options.help = true
   end
 
   o.on_tail('-f', '--from TAG', 'Start counting from this Git tag...') do |f|
     options.from = f
   end
 
   o.on_tail('-t', '--to TAG', '...to this tag inclusive') do |t|
     options.to = t
   end
 end
 
 begin
   opts.parse!(ARGV)
   system "git rev-parse #{options.from} > /dev/null", exception: true
   system "git rev-parse #{options.to} > /dev/null", exception: true
 rescue StandardError => e
   warn e, '', opts
   exit 1
 end
 
 if options.help
   puts opts
   exit
 end
 
 log = `git log --oneline --reverse #{options.from}..#{options.to}`
 
 date = `git log -1 --format=%aI #{options.to} 2> /dev/null` unless options.to.match? 'HEAD'
 
 log2 = log
        .lines(chomp: true)
        .map { |a| a.split(' ', 2) }
        .map { |a| "#{a[1]} (#{a[0]})" }
 
 log2 = log2.group_by do |a|
   keyword = a.split(' ')[0].downcase
   case keyword
   when 'enable', 'reimplement', 'standardize', 'implement', 'add', 'use'
     'Added'
   when 'automagically', 'rebrand', 'complete', 'automatically', 'hide'
     'Added'
   when 'extract', 'expose', 'improve', 'install', 'factor', 'integrate'
     'Added'
   when 'restore', 'properly', 'sort', 'detect', 'only', 'fix', 'correct'
     'Fixed'
   when 'work', 'do', 'ward', 'propagate', 'ensure', 'forcibly'
     'Fixed'
   when 'differentiate', 'more'
     'Fixed'
   when 'drop', 'assorted', 'cleanup', 'general', 'clean', 'remove'
     'Removed'
   else
     'Changed'
   end
 end
 
 log3 = []
 
 # log3 << "# Changelog"
 # log3 << "\n"
 # log3 << "All notable changes to this project will be documented in this file."
 # log3 << "The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),"
 # log3 << "and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html)."
 # log3 << "\n"
 
 date_string = if date
                 "(#{DateTime.iso8601(date).strftime('%B %d, %Y')})"
               else
                 ''
               end
 
 version_string = if options.to.match? 'HEAD'
                    'Unreleased'
                  else
                    options.to
                  end
 
 log3 << "## #{version_string} #{date_string}"
 log3 << "\n"
 
 %w[Added Fixed Removed Changed].each do |k|
   log3 << "### #{k}"
   log3 << "\n"
 
   next unless log2[k]
 
   log2[k].each do |c|
     log3 << "- #{c}"
   end
 
   log3 << "\n"
 end
 
 tarballs = Dir.glob "kseexpr-#{options.to[1..-1]}.tar.gz"
 
 if tarballs
   log3 << '### Release hashes'
   log3 << "\n"
 
   tarballs.each do |i|
     log3 << "md5sum: #{`md5sum #{i}`}"
     log3 << "sha256: #{`sha256sum #{i}`}"
   end
 end
 
 puts log3