Module: Moonshard

Defined in:
lib/moonshard.rb

Defined Under Namespace

Classes: Error

Constant Summary collapse

DEFAULT_BACKUP_FILE = 
"original_files.json"

Class Method Summary collapse

Class Method Details

.replace(root_dir) ⇒ Object 



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# File 'lib/moonshard.rb', line 44

def self.replace(root_dir)
  root_dir = File.expand_path(root_dir)
  backup_file = File.expand_path(DEFAULT_BACKUP_FILE)

  original_files = {}

  Dir.glob(File.join(root_dir, "**", "*")).each do |file|
    next unless File.file?(file)

    # Don't process the backup JSON itself
    next if File.expand_path(file) == backup_file

    begin
      content = File.read(file)
    rescue => e
      warn "Warning: cannot read #{file}: #{e.message}"
      next
    end

    # Only process files containing ##{...}
    next unless content.match?(/##\{[^}]+\}/)

    # Save original content before replacement
    original_files[file] = content

    file_dir = File.dirname(file)

    replaced = content.gsub(/^([ \t]*)##\{([^}]+)\}[ \t]*$/) do
      indentation = Regexp.last_match(1)
      referenced_file = Regexp.last_match(2)

      referenced_path = File.expand_path(
        referenced_file,
        file_dir
      )

      unless File.file?(referenced_path)
        warn "Warning: file not found: #{referenced_path} (referenced from #{file})"
        next Regexp.last_match(0)
      end

      inserted_content = File.read(referenced_path).chomp

      # Apply the indentation of ##{...}
      # to every non-empty line.
      inserted_content.lines.map do |line|
        if line.strip.empty?
          line
        else
          indentation + line
        end
      end.join
    end

    next if replaced == content

    File.write(file, replaced)
    puts "Updated: #{file}"
  end

  File.write(
    backup_file,
    JSON.pretty_generate(original_files)
  )

  puts "Backup saved to: #{backup_file}"

  true
end

.restore(backup_file) ⇒ Object 



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# File 'lib/moonshard.rb', line 17

def self.restore(backup_file)
  unless File.file?(backup_file)
    warn "Error: backup file not found: #{backup_file}"
    return false
  end

  begin
    original_files = JSON.parse(File.read(backup_file))
  rescue JSON::ParserError => e
    warn "Error: invalid JSON file: #{e.message}"
    return false
  end

  original_files.each do |file, content|
    begin
      File.write(file, content)
      puts "Restored: #{file}"
    rescue => e
      warn "Warning: cannot restore #{file}: #{e.message}"
    end
  end

  puts "Restore completed."

  true
end

.run(args) ⇒ Object 



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# File 'lib/moonshard.rb', line 9

def self.run(args)
  if args[0] == "-r"
    restore(args[1] || DEFAULT_BACKUP_FILE)
  else
    replace(args[0] || ".")
  end
end