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utils: replace shell which with native code

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Originally written for tigerbrew, but useful enough for core.
Replaces the shelled-out which in utils.rb with a native-ruby
equivalent, which is moderately faster.

Closes Homebrew/homebrew#16659.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
This commit is contained in:
Misty De Meo 2012-12-17 09:33:20 -06:00
parent 9c8a73cf41
commit d6299af86c
1 changed files with 2 additions and 6 deletions
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8
Library/Homebrew/utils.rb
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@ -152,12 +152,8 @@ def puts_columns items, star_items=[]
end end
def which cmd def which cmd
path = `/usr/bin/which #{cmd} 2>/dev/null`.chomp dir = ENV['PATH'].split(':').find {|p| File.executable? File.join(p, cmd)}
if path.empty? Pathname.new(File.join(dir, cmd)) unless dir.nil?
nil
else
Pathname.new(path)
end
end end
def which_editor def which_editor