help: support highlighted output

Closes #68. Signed-off-by: Xu Cheng <xucheng@me.com>
2016-04-12 14:36:15 +08:00 · 2016-04-12 14:36:15 +08:00 · c1427fd295
commit c1427fd295
parent af1eb007e2
1 changed files with 5 additions and 2 deletions
--- a/Library/Homebrew/cmd/help.rb
+++ b/Library/Homebrew/cmd/help.rb
@ -56,7 +56,10 @@ module Homebrew
    cmd_path.read.
      split("\n").
      grep(/^#:/).
-      map { |line| line.slice(2..-1).delete("`").sub(/^  \* /, "brew ") }.
-      join("\n")
+      map do |line|
+        line.slice(2..-1).sub(/^  \* /, "#{Tty.highlight}brew#{Tty.reset} ").
+        gsub(/`(.*?)`/, "#{Tty.highlight}\\1#{Tty.reset}").
+        gsub(/<(.*?)>/, "#{Tty.em}\\1#{Tty.reset}")
+      end.join("\n")
  end
 end