Class: Subversion::SvnCommand

Inherits:
Console::Command
  • Object
show all
Defined in:
lib/svn-command/svn_command.rb

Overview

Tested by: ../../test/svn_command_test.rb

Defined Under Namespace

Modules: Add, Commit, Diff, EditMessage, EditRevisionProperty, Externalize, ExternalsItems, GetMessage, Help, Log, Move, Revisions, SetMessage, Status, Update, ViewCommits

Constant Summary collapse

@@standard_remote_command_options = 
{
  [:__username] => 1,
  [:__password] => 1,
  [:__no_auth_cache] => 0,
  [:__non_interactive] => 0,
  [:__config_dir] => 1,
}
@@subcommand_list =

This shouldn’t be necessary. Console::Command should allow introspection. But until such time…

[
  'each_unadded',
  'externals_items', 'externals_outline', 'externals_containers', 'edit_externals', 'externalize',
  'ignore',
  'revisions',
  'get_message', 'set_message', 'edit_message',
  'view_commits',
  'repository_root',
  'latest_revision',
  'delete_svn'
]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ SvnCommand

Returns a new instance of SvnCommand.



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# File 'lib/svn-command/svn_command.rb', line 110

def initialize(*args)
  @passthrough_options = []
  super
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(subcommand, *args) ⇒ Object

Any subcommands that we haven’t implemented here will simply be passed on to the built-in svn command. :todo: Distinguish between subcommand_missing and method_missing !

Currently, for example, if as isn't defined, this: puts Subversion.externalize(repo_path, {:as => as })
will call method_missing and try to run `svn as`, which of course will fail (without a sensible relevant error)...
I think we should probably just have a separate subcommand_missing, like we already have a separate option_missing !!!
Even a simple type (sss instead of ss) causes trouble... *this* was causing a call to "/usr/bin/svn new_messsage" -- what huh??
   def set_message(new_message = nil)
     args << new_messsage if new_message



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# File 'lib/svn-command/svn_command.rb', line 158

def method_missing(subcommand, *args)
  #puts "method_missing(#{subcommand}, #{args.inspect})"
  svn :exec, subcommand, *args
end

Class Method Details

.parse_revision_ranges(revisions_array) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 574

def SvnCommand.parse_revision_ranges(revisions_array)
  revisions_array.map do |item|
    case item
      when /(\d+):(\d+)/
        ($1.to_i .. $2.to_i)
      when /(\d+)-(\d+)/
        ($1.to_i .. $2.to_i)
      when /(\d+)\.\.(\d+)/
        ($1.to_i .. $2.to_i)
      when /\d+/
        item.to_i
      else
        raise "Item in revisions_array had an unrecognized format: #{item}"
    end
  end.expand_ranges
end

Instance Method Details

#__debug ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 122

def __debug
  $debug = true
end

#__dry_run ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 125

def __dry_run
  Subversion::dry_run = true
end

#__except ⇒ Object Also known as: __exclude

Usually most Subversion commands are recursive and all-inclusive. This option adds file exclusion to most of Subversion’s commands. Use this if you want to commit (/add/etc.) everything but a certain file or set of files

svn commit dir1 dir2 --except dir1/not_ready_yet.rb



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# File 'lib/svn-command/svn_command.rb', line 140

def __except
  # We'll have to use a FileList to do this. This option will remove all file arguments, put them into a FileList as inclusions, 
  # add the exclusions, and then pass the resulting list of files on to the *actual* svn command.
  # :todo:
end

#__no_color ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 119

def __no_color
  Subversion::color = false
end

#__print_commands ⇒ Object Also known as: __show_commands, _V, __Verbose 



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# File 'lib/svn-command/svn_command.rb', line 129

def __print_commands
  Subversion::print_commands = true
end

#add(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 210

def add(*args)
  #puts "add #{args.inspect}"
  svn :exec, 'add', *args
end

#add_all_unadded ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/svn-command/svn_command.rb', line 915

def add_all_unadded
  raise NotImplementedError
end

#commit(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 251

def commit(*args)
  latest_rev_before_commit = Subversion.latest_revision if @broken || @skip_notification

  Subversion.print_commands_for do
    puts svn(:capture, "propset svn:skip_commit_notification_for_next_commit true --revprop -r #{latest_rev_before_commit}", :prepare_args => false)
  end if @skip_notification
  # :todo:
  # Add some logic to automatically skip the commit e-mail if the size of the files to be committed exceeds a threshold of __ MB.
  # (Performance idea: Only check the size of the files if svn st includes (bin)?)

  svn(:system, 'commit', *(['--force-log'] + args))

  # The following only works if we do :capture (`svn`), but that doesn't work so well (at all) if svn tries to open up an editor (vim),
  # which is what happens if you don't specify a message.:
  #   puts output = svn(:capture, 'commit', *(['--force-log'] + args))
  #   just_committed = (matches = output.match(/Committed revision (\d+)\./)) && matches[1]

  Subversion.print_commands_for do
    puts svn(:capture, "propset code:broken true --revprop -r #{latest_rev_before_commit + 1}", :prepare_args => false)
  end if @broken

end

#default ⇒ Object

This is here solely to allow subcommandless commands like ‘svn –version`



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# File 'lib/svn-command/svn_command.rb', line 163

def default()
  svn :exec
end

#delete_svn ⇒ Object

Cause a working copy to cease being a working copy



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# File 'lib/svn-command/svn_command.rb', line 908

def delete_svn
  system('find -name .svn | xargs -n1 echo')
  system('find -name .svn | xargs -n1 rm -r')
end

#diff(*directories) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 341

def diff(*directories)
  directories = ['./'] if directories.empty?
  puts Extensions.diff(*(directories + @passthrough_options))

  begin # Show diff for externals (if there *are* any and the user didn't tell us to ignore them)
    output = StringIO.new
    #paths = args.reject{|arg| arg =~ /^-/} || ['./']
    directories.each do |path|
      (Subversion.externals_items(path) || []).each do |item|
        diff_output = Extensions.diff(item).strip
        unless diff_output == ""
          #output.puts '-'*100
          #output.puts item.ljust(100, ' ').black_on_white.bold.underline
          output.puts item.ljust(100).black_on_white.bold
          output.puts diff_output
        end
      end
    end
    unless output.string == ""
      #puts '='*100
      puts (' '*100).yellow.underline
      puts " Diff of externals (**don't forget to commit these too!**):".ljust(100, ' ').yellow_on_red.bold.underline
      puts output.string
    end
  end unless @ignore_externals
end

#each_unadded(*args) ⇒ Object

Goes through each “unadded” file (each file reporting a status of ?) reported by svn status and asks you what you want to do with them (add, delete, or ignore)



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# File 'lib/svn-command/svn_command.rb', line 593

def each_unadded(*args)
  catch :exit do

    $ignore_dry_run_option = true
    Subversion::Extensions.each_unadded( Subversion.status(*args) ) do |file|
      $ignore_dry_run_option = false
      begin
        puts( ('-'*100).green )
        puts "What do you want to do with '#{file.white.underline}'?".white.bold
        begin
          if !File.exist?(file)
            raise "#{file} doesn't seem to exist -- even though it was reported by svn status"
          end
          if File.file?(file)
            if FileTest.binary_file?(file)
              puts "(Binary file -- cannot show preview)".bold
            else
              puts "File contents:"
              # Only show the first x bytes so that we don't accidentally dump the contens of some 20 GB log file to screen...
              contents = File.read(file, bytes_threshold = 5000) || ''
              max_lines = 55
              contents.lines[0..max_lines].each {|line| puts line}
              puts "..." if contents.length >= bytes_threshold          # So they know that there may be *more* to the file than what's shown
            end
          elsif File.directory?(file)
            puts "Directory contains:"
            Dir.new(file).reject {|f| ['.','..'].include? f}.each do |f|
              puts f
            end
          else
            raise "#{file} is not a file or directory -- what *is* it then???"
          end
        end
        print(
          "Add".menu_item(:green) + ", " +
          "Delete".menu_item(:red) + ", " +
          "add to " + "svn:".yellow + "Ignore".menu_item(:yellow) + " property, " + 
          "or " + "any other key".white.bold + " to do nothing > "
        )
        response = ""
        response = $stdin.getc.chr.downcase # while !['a', 'd', 'i', "\n"].include?(begin response.downcase!; response end)


        case response
          when 'a'
            print "\nAdding... "
            Subversion.add file
            puts
          when 'd'
            puts

            response = ""
            if File.directory?(file)
              response = confirm("Are you pretty much " + "SURE".bold + " you want to '" + "rm -rf #{file}".red.bold + "'? ")
            else
              response = "y"
            end

            puts "response=#{response}"
            if response == 'y'
              print "\nDeleting... "
              FileUtils.rm_rf file
              puts
            else
              puts "\nI figured as much!"
            end
          when 'i'
            print "\nIgnoring... "
            Subversion.ignore file
            puts
          else
            # Skip / Do nothing with this file
            puts " (Skipping...)"
        end
      rescue Interrupt
        puts "\nGoodbye!"
        throw :exit
      end
    end # each_unadded

  end # catch :exit
end

#edit_externals(directory = nil) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 752

def edit_externals(directory = nil)
  catch :exit do
    if directory.nil? || !Subversion::ExternalsContainer.new(directory).has_entries?
      if directory.nil?
        puts "No directory specified. Editing externals for *all* externals dirs..."
        directory = "./"
      else
        puts "Editing externals for *all* externals dirs..."
      end
      Subversion.externals_containers(directory).each do |external|
        puts external.to_s
        command = "#{Subversion.executable} propedit svn:externals #{external.container_dir}"
        #puts command
        begin
          response = confirm("Do you want to edit svn:externals for this directory?".black_on_white)
          system command if response == 'y'
        rescue Interrupt
          puts "\nGoodbye!"
          throw :exit
        ensure
          puts
        end
      end
      puts 'Done'
    else
      system "#{Subversion.executable} propedit svn:externals #{directory}"
    end
  end # catch :exit
end

#edit_message(directory = './') ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 899

def edit_message(directory = './')
  edit_revision_property('svn:log', directory)
end

#edit_property(property_name, directory = './') ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 903

def edit_property(property_name, directory = './')
end

#edit_revision_property(property_name, directory = './') ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 866

def edit_revision_property(property_name, directory = './')
  args = ['propedit', '--revprop', property_name, directory]
  rev = @revision ? @revision : 'head'
  args.concat ['-r', rev]
  Subversion.print_commands_for do
    svn :system, *args
  end

  value = Subversion::get_revision_property(property_name, rev)
  p value

  # Currently there is no seperate option to *delete* a revision property (propdel)... That would be useful for those
  # properties that are just boolean *flags* (set or not set).
  # I'm assuming most people will very rarely if ever actually want to set a property to the empty string (''), so
  # we can use the empty string as a way to trigger a propdel...
  if value == ''
    puts
    response = confirm("Are you sure you want to delete property #{property_name}".red.bold + "'? ")
    puts
    if response == 'y'
      Subversion.print_commands_for do
        Subversion::delete_revision_property(property_name, rev)
      end
    end
  end
end

#externalize(repo_path, as_arg = nil) ⇒ Object

svn externalize your/repo/shared_tasks/tasks –as shared or

svn externalize http://your/repo/shared_tasks/tasks shared



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# File 'lib/svn-command/svn_command.rb', line 799

def externalize(repo_path, as_arg = nil)
  # :todo: let them pass in local_path as well? -- then we would need to accept 2 -- 3 -- args, the first one poylmorphic, the second optional
  # :todo: automated test for as_arg/as combo

  Subversion.externalize(repo_path, {:as => as || as_arg})
end

#externals_containers(directory = "./") ⇒ Object

Lists directories that have the svn:externals property set.



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# File 'lib/svn-command/svn_command.rb', line 745

def externals_containers(directory = "./")
  puts Subversion.externals_containers(directory).map { |external|
    external.container_dir
  }
end

#externals_items(directory = "./") ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 698

def externals_items(directory = "./")
  longest_path_name = 25

  externals_structs = Subversion.externals_containers(directory).map do |external|
    returning(
      external.entries_structs.map do |entry|
          Struct.new(:path, :repository_path).new(
            File.join(external.container_dir, entry.name).relativize_path,
            entry.repository_path
          )
        end
    ) do |entries_structs|
      longest_path_name = 
        [
          longest_path_name,
          entries_structs.map { |entry|
            entry.path.size
          }.max
        ].max
    end
  end

  puts '(Use the -o/--omit-repository-path option if you just want the external paths/names without the repository paths)' unless @omit_repository_path
  puts externals_structs.map { |entries_structs|
    entries_structs.map { |entry|
      entry.path.ljust(longest_path_name + 1) +
        (@omit_repository_path ? '' : entry.repository_path)
    }
  }
end

#externals_outline(directory = "./") ⇒ Object

For every directory that has the svn:externals property set, this prints out the container name and then lists the contents of its svn:externals property (dir, URL) as a bulleted list



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# File 'lib/svn-command/svn_command.rb', line 736

def externals_outline(directory = "./")
  puts Subversion.externals_containers(directory).map { |external|
    external.to_s.relativize_path
  }
end

#fix_out_of_date_commit_state(dir) ⇒ Object

A fix for this annoying problem that I seem to come across all too frequentrly:

svn: Commit failed (details follow):
svn: Your file or directory 'whatever.rb' is probably out-of-date



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# File 'lib/svn-command/svn_command.rb', line 281

def fix_out_of_date_commit_state(dir)
  dir = $1 if dir =~ %r|^(.*)/$|                           # Strip trailing slash.

  puts Subversion.export("#{dir}", "#{dir}.new").          # Exports (copies) the contents of working copy 'dir' (including your uncommitted changes, don't worry! ... and you'll get a chance to confirm before anything is deleted; but sometimes although it exports files that are scheduled for addition, they are no longer scheduled for addition in the new working copy, so you have to re-add them) to non-working-copy 'dir.new'
    add_exit_code_error 
  return if !$?.success?

  system("mv #{dir} #{dir}.backup")                        # Just in case something goes ary
  puts ''.add_exit_code_error
  return if !$?.success?

  puts "Restoring #{dir}..."
  Subversion.update dir                                    # Restore the directory to a pristine state so we will no longer get that annoying error

  # Assure the user that dir.new really does have your latest changes
  #puts "Here's a diff. Your changes/additions will be in the *right* (>) file."
  #system("diff #{dir}.backup #{dir}")

  # Merge those latest changes back into the pristine working copy
  system("cp -R #{dir}.new/. #{dir}/")

  # Assure the user one more time
  puts Extensions.diff(dir)

  # Actually commit
  puts
  response = confirm("Are you ready to try the commit again now?")
  puts
  if response == 'y'
    puts "Great. Go for it."
    #Subversion.commit dir
  end

  # Clean up
  #puts
  #response = confirm("Do you want to delete array.backup array.new now?")
  puts "Don't forget to delete array.backup array.new now!"
  #rm_rf array.backup, array.new
  puts
end

#get_message ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 822

def get_message()
  #svn propget --revprop svn:log -r2325
  args = ['propget', '--revprop', 'svn:log']
  #args.concat ['-r', @revision ? @revision : Subversion.latest_revision]
  args.concat ['-r', (revision = @revision ? @revision : 'head')]
  puts "Message for r#{Subversion.latest_revision} :" if revision == 'head'

  $ignore_dry_run_option = true
  puts filtered_svn(*args)
  $ignore_dry_run_option = false
end

#grep ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/svn-command/svn_command.rb', line 918

def grep
  raise NotImplementedError
end

#grep_externals ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/svn-command/svn_command.rb', line 921

def grep_externals
  raise NotImplementedError
end

#grep_log ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/svn-command/svn_command.rb', line 924

def grep_log
  raise NotImplementedError
end

#help(subcommand = nil) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 376

def help(subcommand = nil)
  case subcommand
    when "externals"
      puts %Q{
             | externals (ext): Lists all externals in the given working directory.
             | usage: externals [PATH]
             }.margin
      # :todo: Finish...

    when nil
      puts "You are using " + 
           's'.green.bold + 'v'.cyan.bold + 'n'.magenta.bold + '-' + 'c'.red.bold + 'o'.cyan.bold + 'm'.blue.bold + 'm'.yellow.bold + 'a'.green.bold + 'n'.white.bold + 'd'.green.bold + ' version ' + Project::Version
           ", a colorful, useful replacement/wrapper for the standard svn command."
      puts "svn-command is installed at: " + $0.bold
      puts "You may bypass this wrapper by using the full path to svn: " + Subversion.executable.bold
      puts
      puts Subversion.help(subcommand).gsub(<<End, '')

Subversion is a tool for version control.
For additional information, see http://subversion.tigris.org/
End

      puts
      puts 'Subcommands added by svn-command (refer to '.green.underline + 'http://svn-command.rubyforge.org/'.white.underline + ' for usage details):'.green.underline
      @@subcommand_list.each do |subcommand|
        aliases_list = subcommand_aliases_list(subcommand.option_methodize.to_sym)
        aliases_list = aliases_list.empty? ? '' : ' (' + aliases_list.join(', ') + ')'
        puts '   ' + subcommand + aliases_list
      end
      #p subcommand_aliases_list(:edit_externals)

    else
      #puts "help #{subcommand}"
      puts Subversion.help(subcommand)
  end
end

#ignore(file) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 809

def ignore(file)
  Subversion.ignore(file)
end

#latest_revision(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 529

def latest_revision(*args)
  puts Subversion.latest_revision
end

#log(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 427

def log(*args)
  puts Subversion.log( @passthrough_options + args )
  #svn :exec, *args
end

#move(*args) ⇒ Object

Unlike the built-in move, this one lets you list multiple source files 

Source... DestinationDir

or

Source Destination



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# File 'lib/svn-command/svn_command.rb', line 454

def move(*args)
  if args.length >= 3
    destination = args.pop
    sources = args

    sources.each do |source|
      puts filtered_svn('move', source, destination)
    end
  else
    svn :exec, 'move', *args
  end
end

#option_missing(option_name, args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 167

def option_missing(option_name, args)
  #puts "#{@subcommand} defined? #{@subcommand_is_defined}"
  if !@subcommand_is_defined
    # It's okay to use this for pass-through subcommands, because we just pass all options/arguments verbatim anyway...
    #puts "option_missing(#{option_name}, #{args.inspect})"
  else
    # But for subcommands that are defined here, we should know better! All valid options should be explicitly listed!
    raise UnknownOptionError.new(option_name)
  end

  # The following is necessary because we really don't know the arity (how many subsequent tokens it should eat) of the option -- we don't know anything about the options, in fact; that's why we've landed in option_missing.
  # This is kind of a hokey solution, but for any unrecognized options/args (which will be *all* of them unless we list the available options in the subcommand module), we just eat all of the args, store them in @passthrough_options, and later we will add them back on.
  # What's annoying about it this solution is that *everything* after the first unrecognized option comes in as args, even if they are args for the subcommand and not for the *option*!
  # But...it seems to work to just pretend they're options.
  # It seems like this is mostly a problem for *wrappers* that try to use Console::Command. Sometimes you just want to *pass through all args and options* unchanged and just filter the output somehow.
  # Command doesn't make that super-easy though. If an option (--whatever) isn't defined, then the only way to catch it is in option_missing. And since we can't the arity unless we enumerate all options, we have to hokily treat the first option as having unlimited arity.
  #   Alternatives considered: 
  #     * Assume arity of 0. Then I'm afraid it would extract out all the option flags and leave the args that were meant for the args dangling there out of order ("-r 1 -m 'hi'" => "-r -m", "1 'hi'")
  #     * Assume arity of 1. Then if it was really 0, it would pick up an extra arg that really wasn't supposed to be an arg for the *option*.
  # Ideally, we wouldn't be using option_missing at all because all options would be listed in the respective subcommand module...but for subcommands handled through method_missing, we don't have that option.

  @passthrough_options << "#{option_name}" << args
  @passthrough_options.flatten!

  return arity = args.size  # All of 'em
end

#repository_root(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 522

def repository_root(*args)
  puts Subversion.repository_root(*args)
end

#revisions(directory = './') ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 954

def revisions(directory = './')
  puts "Getting list of revisions for '#{directory.white.bold}' ..."

  head = Subversion.latest_revision
  revision_of_directory = Subversion.latest_revision_for_path(directory)

  # It's possible for a working copy to get "out of date" (even if you were the last committer!), in which case svn log will
  # only list revisions up to that revision (actually looks like it only goes up to and including Last Changed Rev: 2838,
  # not Revision: 2839, as reported by svn info...)
  if revision_of_directory < head
    puts "The working copy '#{directory.white.bold}' appears to be out-of-date (#{revision_of_directory}) with respect to the head revision (#{head}). Updating..."
    Subversion.update(directory)
  end

  revisions = Subversion.revisions(directory)

  puts "#{revisions.length.to_s.bold} revisions found. Starting with #{@reverse ? 'oldest' : 'most recent'} revision and #{@reverse ? 'going forward in time' : 'going backward in time'}..."
  revisions.instance_variable_get(:@revisions).reverse! if @reverse
  revision_ids = revisions.map(&:identifier)

  target_rev = nil # revision_ids.first
  show_revision_again = true
  revisions.each do |revision|
    rev = revision.identifier
    other_rev = rev-1
    if target_rev
      if rev == target_rev
        target_rev = nil    # We have arrived.
      else
        next                # Keep going (hopefully in the right direction!)
      end
    end

    # Display the revision
    if show_revision_again
      puts((' '*100).green.underline)
      puts "#{revisions.length - revision_ids.index(rev)}. ".green.bold +
        "r#{rev}".magenta.bold + (rev == head ? ' (head)'.bold : '') + 
        " | #{revision.developer} | #{revision.time.strftime('%Y-%m-%d %H:%M:%S')}".magenta.bold
      puts revision.message
      puts
      #pp revision
      puts revision.map {|a|
        (a.status ? a.status[0..0].colorize_svn_status_code : ' ') +   # This check is necessary because RSCM doesn't recognize several Subversion status flags, including 'R', and status will return nil in these cases.
          ' ' + a.path
      }.join("\n")
    else
      show_revision_again = true
    end

    # Display the menu
    print(
      'View this changeset'.menu_item(:cyan) + ', ' +
      'Diff against specific revision'.menu_item(:cyan, 'D') + ', ' +
      'Grep the changeset'.menu_item(:cyan, 'G') + ', ' +
      'List or '.menu_item(:magenta, 'L') + '' +
      'Edit revision properties'.menu_item(:magenta, 'E') + ', ' +
      'svn Cat all files from revision'.menu_item(:cyan, 'C') + ', ' +
      'grep the cat'.menu_item(:cyan, 'a') + ', ' + "\n  " +
      'mark as Reviewed'.menu_item(:green, 'R') + ', ' +
      'edit log Message'.menu_item(:yellow, 'M') + ', ' +
      'or ' + 'browse using ' + 'Up/Down/Enter'.white.bold + ' keys > '
    )

    # Get response from user and then act on it
    begin # rescue
      response = ""
      response = $stdin.getc.chr.downcase

      # Escape sequence such as the up arrow key ("\e[A")
      if response == "\e"
        response << (next_char = $stdin.getc.chr)
        if next_char == '['
          response << (next_char = $stdin.getc.chr)
        end
      end

      if response == 'd' # diff against Other revision
        response = 'v'
        puts
        print 'All right, which revision shall it be then? '.bold + ' (backspace not currently supported)? '
        other_rev = $stdin.gets.chomp.to_i
      end

      case response
        when 'v'  # Diff
          revs_to_compare = [other_rev, rev]
          puts "\n"*10
          puts((' '*100).green.underline)
          print "Diffing #{revs_to_compare.min}:#{revs_to_compare.max}... ".bold
          puts
          #Subversion.repository_root
          SvnCommand.execute("diff #{directory} --ignore-externals -r #{revs_to_compare.min}:#{revs_to_compare.max}")

        when 'g'  # Grep the changeset
          # :todo; make it accept regexpes like /like.*this/im so you can make it case insensitive or multi-line
          revs_to_compare = [other_rev, rev]
          puts
          print 'Grep for'.bold + ' (Regular expressions ' + 'like.*this'.bold.blue + ' are allowed, but not ' + '/like.*this/im'.bold.blue + '): '
          search_pattern = $stdin.gets.chomp.to_rx
          puts((' '*100).green.underline)
          puts "Searching `svn diff #{revs_to_compare.min}:#{revs_to_compare.max}` for #{search_pattern.to_s}... ".bold
          diffs = Subversion.diffs(directory, '-r', "#{revs_to_compare.min}:#{revs_to_compare.max}")

          hits = 0
          diffs.each do |filename, diff|
            #.grep(search_pattern)
            if diff.diff =~ search_pattern
              puts diff.filename_pretty
              puts( diff.diff.grep(search_pattern). # This will get us just the interesting *lines* (as an array). 
                map { |line|                        # Now, for each line...
                  hits += 1
                  line.highlight_occurences(search_pattern)
                }
              )
            end
          end
          if hits == 0
            puts "Search term not found!".red.bold
          end
          show_revision_again = false

        when 'l'  # List revision properties
          puts
          puts Subversion::Extensions::printable_revision_properties(rev)
          show_revision_again = false

        when 'e'  # Edit revision property
          puts
          puts Subversion::Extensions::printable_revision_properties(rev)
          puts "Warning: These properties are *not* under version control! Try not to permanently destroy anything *too* important...".red.bold
          puts "Note: If you want to *delete* a property, simply set its value to '' and it will be deleted (propdel) for you."
          print 'Which property would you like to edit'.bold + ' (backspace not currently supported)? '
          property_name = $stdin.gets.chomp
          unless property_name == ''
            Subversion.print_commands_for do
              @revision = rev
              edit_revision_property(property_name, directory)
            end
          end

          show_revision_again = false

        when 'c'  # Cat all files from revision
          puts 'Not implemented yet'
          show_revision_again = false

        when 'a'  # Grep the cat
          puts 'Not implemented yet'
          show_revision_again = false

        when 'r'  # Mark as reviewed
          puts
          your_name = ENV['USER'] # I would use the same username that Subversion itself would use if you committed
                                  # something (since it is sometimes different from your system username), but I don't know
                                  # how to retrieve that (except by poking around in your ~/.subversion/ directory, but
                                  # that seems kind of rude...).
          puts "Marking as reviewed by '#{your_name}'..."
          Subversion.print_commands_for do
            puts svn(:capture, "propset code:reviewed '#{your_name}' --revprop -r #{rev}", :prepare_args => false)
            # :todo: Maybe *append* to code:reviewed (,-delimited) rather than overwriting it?, in case there is a policy of requiring 2 reviewers or something
          end

        when 'm'  # Edit log message
          puts
          Subversion.print_commands_for do
            SvnCommand.execute("edit_message -r #{rev}")
          end

        when "\e[A" # Up
          i = revision_ids.index(rev)
          target_rev = revision_ids[i - 1]
          puts " Previous..."
          retry

          
        when /\n|\e\[B/ # Enter or Down
          # Skip / Do nothing with this file
          puts " Next..."
          next

        else
          # Invalid option. Do nothing.
          #puts response.inspect
          puts
          show_revision_again = false

      end # case response

      redo # Until they tell us they're ready to move on...

    rescue Interrupt
      puts "\nGoodbye!"
      return
    end # rescue
  end
end

#set_message(new_message) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 842

def set_message(new_message)
  #svn propset --revprop -r 25 svn:log "Journaled about trip to New York."
  puts "Message before changing:"
  get_message

  args = ['propset', '--revprop', 'svn:log']
  args.concat ['-r', @revision ? @revision : 'head']
  args << new_message if new_message
  if @filename
    contents = File.readlines(@filename).join.strip
    puts "Read file '#{@filename}':"
    print contents
    puts
    args << contents
  end
  svn :exec, *args
end

#status(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 482

def status(*args)
  #puts "in status(#{args.inspect})"
  #puts "#{self}.@passthrough_options == #{@passthrough_options.inspect}"
  #print Subversion::Extensions.status_lines_filter( Subversion.status(*(@passthrough_options + args)) )
  print Subversion::Extensions.status_lines_filter( Subversion.status(*(@passthrough_options + args)) )
end

#update(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 500

def update(*args)
  puts Subversion::Extensions.update_lines_filter( Subversion.update(*prepare_args(args)) )
end

#url(*args) ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 517

def url(*args)
  puts Subversion.url(*args)
end

#view_commits(path = "./") ⇒ Object 



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# File 'lib/svn-command/svn_command.rb', line 555

def view_commits(path = "./")
  if @revisions.nil?
    raise "-r (revisions) option is mandatory"
  end
  $ignore_dry_run_option = true
  base_url = Subversion.base_url(path)
  $ignore_dry_run_option = false
  #puts "Base URL: #{base_url}"
  revisions = self.class.parse_revision_ranges(@revisions)
  revisions.each do |revision|
    puts Subversion.log("-r #{revision} -v #{base_url}")
  end
  
  puts Subversion.diff("-r #{revisions.first}:#{revisions.last} #{path}")
  #/usr/bin/svn diff http://code.qualitysmith.com/gemables/subversion@2279 http://code.qualitysmith.com/gemables/svn-command@2349 --diff-cmd colordiff

end