3 files changed, 10 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d4abd10507..15e56fea4c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Mar  5 01:20:39 2013  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* tool/merger.rb: add interaction when only ChangeLog is modified.
+
 Tue Mar  5 01:03:16 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* file.c (rb_group_member): get rid of NGROUPS dependency.
diff --git a/tool/merger.rb b/tool/merger.rb
index a134d84c2d..961bb20f1b 100755
--- a/tool/merger.rb
+++ b/tool/merger.rb
@@ -192,6 +192,11 @@ else
     system *%w'svn revert ChangeLog' if /^\+/ =~ l
   end
 
+  if `svn diff --diff-cmd=diff -x -upw`.empty?
+    interactive 'Only ChangeLog is modified, right?' do
+    end
+  end
+
   if /^\+/ =~ log
     system *%w'svn revert ChangeLog'
     IO.popen %w'patch -p0', 'wb' do |f|
diff --git a/version.h b/version.h
index b619e191e3..f80e05e7a1 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2013-03-05"
-#define RUBY_PATCHLEVEL 18
+#define RUBY_PATCHLEVEL 19
 
 #define RUBY_RELEASE_YEAR 2013
 #define RUBY_RELEASE_MONTH 3