generic_erb.rb: --source option

* tool/generic_erb.rb: -x, --source option for debug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40778 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/tool/generic_erb.rb b/tool/generic_erb.rb
index 344fad46f7..8e5e44fe6a 100644
--- a/tool/generic_erb.rb
+++ b/tool/generic_erb.rb
@@ -9,18 +9,20 @@ vpath = VPath.new
 timestamp = nil
 output = nil
 ifchange = nil
+source = false
 
 opt = OptionParser.new do |o|
   o.on('-t', '--timestamp[=PATH]') {|v| timestamp = v || true}
   o.on('-o', '--output=PATH') {|v| output = v}
   o.on('-c', '--[no-]if-change') {|v| ifchange = v}
+  o.on('-x', '--source') {source = true}
   vpath.def_options(o)
   o.order!(ARGV)
 end
 template = ARGV.shift or abort opt.to_s
 erb = ERB.new(File.read(template), nil, '%')
 erb.filename = template
-result = erb.result
+result = source ? erb.src : erb.result
 if output
   if ifchange and (vpath.open(output) {|f| f.read} rescue nil) == result
     puts "#{output} unchanged"