0
@@ -4,14 +4,16 @@ duplikate
0
 # process the differences between the two directories:
0
 
0
 dupe = Duplikate.process 'my-git-repo', 'my-svn-repo'
0
-dupe.added_files         => [..., ...]
0
-dupe.added_directories   => [..., ...]
0
-dupe.deleted_files       => [..., ...]
0
-dupe.deleted_directories => [..., ...]
0
-dupe.existing_files      => [..., ...]
0
+dupe.added_files         #=> [..., ...]
0
+dupe.added_directories   #=> [..., ...]
0
+dupe.deleted_files       #=> [..., ...]
0
+dupe.deleted_directories #=> [..., ...]
0
+dupe.existing_files      #=> [..., ...]
0
+
0
+dupe.report
0
 
0
 # Or actually make the changes and commit in svn:
0
 
0
 Duplikate.execute 'my-git-repo', 'my-svn-repo'
0
 
0
-TODO: Actual real-world usage!
0
\ No newline at end of file
0
+TODO: Actual real-world usage!

0
@@ -17,6 +17,13 @@ class Duplikate
0
     dupe
0
   end
0
   
0
+  # Display the commands that +execute+ would execute.
0
+  def self.dry_run(source, dest, options = nil)
0
+    dupe = new(source, dest, options)
0
+    dupe.dry_run
0
+    dupe
0
+  end
0
+  
0
   # Actually syncs the source path to the destination path.  This 
0
   # calls #process if needed, and then:
0
   #
0
@@ -32,6 +39,14 @@ class Duplikate
0
     dupe
0
   end
0
 
0
+  # Print the names of files and directories that would be added or
0
+  # deleted.
0
+  def self.report(source, dest, options = nil)
0
+    dupe = new(source, dest, options)
0
+    dupe.report
0
+    dupe
0
+  end
0
+  
0
   def initialize(source, dest, options = nil)
0
     @options = options || {}
0
     @debug   = @options[:debug]
0
@@ -52,6 +67,11 @@ class Duplikate
0
     process_path
0
   end
0
   
0
+  def dry_run(msg="<commit message>")
0
+    execute(msg, true)
0
+    puts commands.join("\n")
0
+  end
0
+  
0
   def execute(message, test_mode = false)
0
     process if @existing_files.nil?
0
     unless test_mode
0
@@ -70,6 +90,18 @@ class Duplikate
0
     @commands << "ci -m '#{message}'"
0
     test_mode || execute_commands
0
   end
0
+  
0
+  def report
0
+    rows = %w[added_files added_directories deleted_files deleted_directories existing_files].each do |name|
0
+      files = self.send name.intern
0
+      if files.any?
0
+        puts name.capitalize.gsub(/_(\w)/) { " #{$1.upcase}" }
0
+        puts '=' * name.to_s.length
0
+        puts files.join(', ')
0
+        puts
0
+      end
0
+    end
0
+  end
0
 
0
 protected
0
   def svn_command(args)
0
@@ -123,4 +155,4 @@ protected
0
       @added_files << file.to_s
0
     end
0
   end
0
-end
0
\ No newline at end of file
0
+end

0
@@ -54,6 +54,29 @@ describe Duplikate do
0
     @duplikate.commands.should include("rm foo/deleteme")
0
     @duplikate.commands.should include("ci -m 'running spec'")
0
   end
0
+  
0
+  describe :report do
0
+    it "prints changes" do
0
+      text = capturing_stdout { @duplikate.report }
0
+      text.should =~ /Added Files\n=+\naddme.txt/
0
+      text.should =~ /Added Directories\n=+\nfoo\/addme/
0
+      text.should =~ /Deleted Files\n=+\ndeleteme.txt/
0
+      text.should =~ /Deleted Directories\n=+\ndeleteme/
0
+    end
0
+  end
0
+  
0
+  describe :dry_run do
0
+    it "prints commands" do
0
+      lines = capturing_stdout { @duplikate.dry_run }.split("\n")
0
+      lines.length.should == 6
0
+      lines.should include("add addme.txt")
0
+      lines.should include("add foo/addme")
0
+      lines.should include("rm deleteme.txt")
0
+      lines.should include("rm deleteme")
0
+      lines.should include("rm foo/deleteme")
0
+      lines.should include("ci -m '<commit message>'")
0
+    end
0
+  end
0
 end
0
 
0
 describe Duplikate, "syncing two directories" do
0
@@ -92,4 +115,4 @@ describe Duplikate, "syncing two directories" do
0
     file = 'foo/same/changed.txt'
0
     IO.read(@source + file).should == IO.read(@dest + file)
0
   end
0
-end
0
\ No newline at end of file
0
+end

0
@@ -1,5 +1,6 @@
0
 require 'rubygems'
0
 require 'spec'
0
+require 'stringio'
0
 
0
 begin
0
   require 'ruby-debug'
0
@@ -8,5 +9,16 @@ rescue LoadError
0
   # no debugging
0
 end
0
 
0
+def capturing_stdout
0
+  saved_stdout = $stdout
0
+  begin
0
+    $stdout = StringIO.new
0
+    yield
0
+    $stdout.string
0
+  ensure
0
+    $stdout = saved_stdout
0
+  end
0
+end
0
+
0
 $LOAD_PATH << File.join(File.dirname(__FILE__), '..', 'lib')
0
-require 'duplikate'
0
\ No newline at end of file
0
+require 'duplikate'