Class: Rconftool::Processor

Inherits:
Object show all
Defined in:
lib/rconftool.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv = nil) ⇒ Processor

Parse command-line options and set the @o options hash



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# File 'lib/rconftool.rb', line 277

def initialize(argv=nil)
  require 'optparse'

  @o = { :strip_regexp => /\.dist\z/ }
  return unless argv
  opts = OptionParser.new do |opts|
    opts.banner = "rconftool version #{VERSION}"
    opts.separator "Usage: #{$0} [options]"
    opts.separator ""
    opts.separator "Specific options:"

    opts.on("-n", "--noclobber", "Dummy run") do
      @o[:noclobber] = true
    end
    opts.on("-f", "--force", "Update files even if VERSION is same") do
      @o[:force] = true
    end
    opts.on("-q", "--quiet", "No progress reporting") do
      @o[:debug] = ""
    end
    opts.on("--targetdir DIR", "Where to write merged config files") do |dir|
      @o[:targetdir] = dir
    end
    opts.on("--olddir DIR", "If file does not exist in targetdir,",
            "try to merge from here") do |dir|
      @o[:olddir] = dir
    end
    opts.on("--[no-]recursive", "Traverse directories recursively") do |v|
      @o[:recursive] = v
    end
    opts.on("--strip-suffix FOO", "Remove suffix FOO from target filenames",
		"(default .dist)") do |suffix|
      @o[:strip_regexp] = /#{Regexp.escape(suffix)}\z/
    end
    opts.on("-a", "--add-suffix FOO", "Add suffix FOO to target filenames") do |suffix|
      @o[:add_suffix] = suffix
    end

    opts.on_tail("-?", "--help", "Show this message") do
      puts opts
      exit
    end
  end
  opts.parse!(argv)
end

Instance Attribute Details

#o ⇒ Object (readonly)

Returns the value of attribute o.



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# File 'lib/rconftool.rb', line 273

def o
  @o
end

Instance Method Details

#run(files) ⇒ Object

Process a list of files, [src1,src2,…]. If recursive mode has been enabled, then subdirectories of destdir are created as necessary when ‘src’ is a directory, and the mode/ownership of these newly created directories is copied from the original.



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# File 'lib/rconftool.rb', line 328

def run(files)
  done_work = false
  files.each do |f|
    if not File.directory?(f)
      dst = old = nil
      dst = @o[:targetdir] + File::SEPARATOR + File.basename(f) if @o[:targetdir]
      old = @o[:olddir]    + File::SEPARATOR + File.basename(f) if @o[:olddir]
      Rconftool::install(f, dst, old, @o)
    elsif not @o[:recursive]
      raise Errno::EISDIR, "#{f} (not copied). Need --recursive?"
    else
      Rconftool::recurse_dir(f) do |nf|
        src = f + File::SEPARATOR + nf
        dst = old = nil
        dst = @o[:targetdir] + File::SEPARATOR + nf if @o[:targetdir]
        old = @o[:olddir]    + File::SEPARATOR + nf if @o[:olddir]
        if File.directory?(src)
          if dst and not File.directory?(dst)
            orig = File.stat(src)
            Dir.mkdir(dst, orig.mode)
            begin
              File.chown(orig.uid, orig.gid, dst)
            rescue Errno::EPERM
            end
          end
        else
          Rconftool::install(src, dst, old, @o)
        end
      end
    end
    done_work = true
  end
  unless done_work
    $stderr.puts "Usage: #{$0} [options] src1 src2 ...\n"+
                 "Try #{$0} --help for more information\n"
    exit 1
  end
end