From 0b5ab621a591d36338570ae8ee325150a48bb946 Mon Sep 17 00:00:00 2001
From: Misty De Meo
Date: Sun, 26 Apr 2015 11:11:33 -0700
Subject: Add support for extracting LHA archives

---
 Library/Homebrew/download_strategy.rb | 6 ++++++
 Library/Homebrew/extend/pathname.rb   | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 40e2314a2..1914db8df 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -63,6 +63,10 @@ class AbstractDownloadStrategy
     "#{HOMEBREW_PREFIX}/opt/lzip/bin/lzip"
   end
 
+  def lhapath
+    "#{HOMEBREW_PREFIX}/opt/lha/bin/lha"
+  end
+
   def cvspath
     @cvspath ||= %W[
       /usr/bin/cvs
@@ -192,6 +196,8 @@ class AbstractFileDownloadStrategy < AbstractDownloadStrategy
     when :lzip
       with_system_path { pipe_to_tar(lzippath) }
       chdir
+    when :lha
+      safe_system lhapath, "x", cached_location
     when :xar
       safe_system "/usr/bin/xar", "-xf", cached_location
     when :rar
diff --git a/Library/Homebrew/extend/pathname.rb b/Library/Homebrew/extend/pathname.rb
index 1e80e3e84..ee8d8c9f4 100644
--- a/Library/Homebrew/extend/pathname.rb
+++ b/Library/Homebrew/extend/pathname.rb
@@ -211,6 +211,8 @@ class Pathname
       return :gzip_only
     when ".bz2"
       return :bzip2_only
+    when ".lha", ".lzh"
+      return :lha
     end
 
     # Get enough of the file to detect common file types
-- 
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