diff options
Diffstat (limited to 'tool')
-rwxr-xr-x | tool/generic_erb.rb | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/tool/generic_erb.rb b/tool/generic_erb.rb index 8e84a46bfd..b2b988fb3a 100755 --- a/tool/generic_erb.rb +++ b/tool/generic_erb.rb @@ -2,13 +2,27 @@ require 'erb' require 'optparse' require 'fileutils' +vpath = ["."] +def vpath.open(file, *rest) + find do |dir| + begin + path = File.join(dir, file) + return File.open(path, *rest) {|f| yield(f)} + rescue Errno::ENOENT + nil + end + end or raise(Errno::ENOENT, file) +end + timestamp = nil output = nil ifchange = nil + 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('-v', '--vpath=DIR') {|dirs| vpath.concat dirs.split(File::PATH_SEPARATOR)} o.order!(ARGV) end template = ARGV.shift or abort opt.to_s @@ -16,7 +30,7 @@ erb = ERB.new(File.read(template), nil, '%') erb.filename = template result = erb.result if output - if ifchange and (IO.read(output) rescue nil) == result + if ifchange and (vpath.open(output) {|f| f.read} rescue nil) == result puts "#{output} unchanged" else open(output, "wb") {|f| f.print result} |