sup

commit 0a6886f37a40101306e15b5f50e22dfa57c1fe49
parent f498025a70092a4f29322e7be8f578e525fae0fe
Author: William Morgan <wmorgan-sup@masanjin.net>
Date:   Mon, 21 Jan 2008 23:29:46 -0800

escape all regexes used for tab completion

Tab completion uses many regexes, all built from user data. These need to
be escaped, or special characters will throw an exception.

Diffstat:

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/sup/buffer.rb b/lib/sup/buffer.rb
@@ -398,7 +398,7 @@ EOS
 
   def ask_with_completions domain, question, completions, default=nil
     ask domain, question, default do |s|
-      completions.select { |x| x =~ /^#{s}/i }.map { |x| [x, x] }
+      completions.select { |x| x =~ /^#{Regexp::escape s}/i }.map { |x| [x, x] }
     end
   end
 
@@ -414,7 +414,7 @@ EOS
           raise "william screwed up completion: #{partial.inspect}"
         end
 
-      completions.select { |x| x =~ /^#{target}/i }.map { |x| [prefix + x, x] }
+      completions.select { |x| x =~ /^#{Regexp::escape target}/i }.map { |x| [prefix + x, x] }
     end
   end
 
@@ -423,7 +423,7 @@ EOS
       prefix, target = partial.split_on_commas_with_remainder
       target ||= prefix.pop || ""
       prefix = prefix.join(", ") + (prefix.empty? ? "" : ", ")
-      completions.select { |x| x =~ /^#{target}/i }.map { |x| [prefix + x, x] }
+      completions.select { |x| x =~ /^#{Regexp::escape target}/i }.map { |x| [prefix + x, x] }
     end
   end
 
@@ -436,7 +436,7 @@ EOS
         if dir
           [[s.sub(full, dir), "~#{name}"]]
         else
-          users.select { |u| u =~ /^#{name}/ }.map do |u|
+          users.select { |u| u =~ /^#{Regexp::escape name}/ }.map do |u|
             [s.sub("~#{name}", "~#{u}"), "~#{u}"]
           end
         end