RimWorld: convert each record from a mods list to a separate commit

rimword_mods2commits.rb

#!/usr/bin/env ruby

# a code for an article at https://www.reddit.com/r/RimWorld/comments/fwoi36/using_bisection_power_of_git_to_identify_a_buggy/

ORIG_CONFIG_FNAME = "ModsConfig.xml.orig"
CONFIG_FNAME = "ModsConfig.xml"

ALWAYS_ADD = []
ALWAYS_ADD << 'brrainz.harmony'
ALWAYS_ADD << 'ludeon.rimworld'
ALWAYS_ADD << 'ludeon.rimworld.royalty'
ALWAYS_ADD << 'unlimitedhugs.hugslib'

lines = File.readlines(ORIG_CONFIG_FNAME)

def produce_config lines, allowed_mods
  mods = []
  data = ""
  lines.each do |line|
    if line['<li>']
      if allowed_mods.any?{ |x| line[x] }
        data << line
      else
        mods << line
      end
    else
      data << line
    end
  end
  [data, mods]
end

system "git init ."
system "git config user.email foo@foo"
system "git config user.name foo"

add_mods = []
msg = nil
loop do
  config, mods = produce_config(lines, ALWAYS_ADD + add_mods)
  File.write(CONFIG_FNAME, config)
  if add_mods.empty?
    system "git add #{CONFIG_FNAME}"
    msg = "init"
  else
    msg = "add #{add_mods.last.sub('<li>','').sub('</li>','').strip}"
  end
  system "git commit -am '#{msg}'"
  raise unless $?.success?
  puts msg
  break if mods.empty?
  add_mods << mods.first
end