From bfbcdb2334fe21439e25349f05e4cee6d32a53a2 Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Wed, 12 Aug 2009 13:43:51 +0100
Subject: brew diy command

Automagically determines prefix to install to for DIY installations.

README amended.---
 Library/Contributions/brew_bash_completion.sh |  2 +-
 Library/Homebrew/brew.h.rb                    | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Contributions/brew_bash_completion.sh b/Library/Contributions/brew_bash_completion.sh
index f33204d36..7f03523fe 100644
--- a/Library/Contributions/brew_bash_completion.sh
+++ b/Library/Contributions/brew_bash_completion.sh
@@ -15,7 +15,7 @@ _brew_to_completion()
     prev="${COMP_WORDS[COMP_CWORD-1]}"
     
     # We only complete unabbreviated commands...
-    actions="edit homepage info install list link make uninstall"
+    actions="diy edit homepage info install list link make uninstall"
     
     # Subcommand list
     if [[ ( ${COMP_CWORD} -eq 1 ) && ( ${COMP_WORDS[0]} == brew )  ]] ; then
diff --git a/Library/Homebrew/brew.h.rb b/Library/Homebrew/brew.h.rb
index f3dee102a..9f981f116 100644
--- a/Library/Homebrew/brew.h.rb
+++ b/Library/Homebrew/brew.h.rb
@@ -186,6 +186,24 @@ def prune
 end
 
 
+def diy
+  path=Pathname.getwd
+  version=path.version
+  path.basename.to_s =~ /(.*?)-?#{version}/
+  name=$1
+
+  raise "Couldn't determine version, try --set-version" if version.nil? or version.empty?
+  raise "Couldn't determine name, try --set-name" if name.nil? or name.empty?
+
+  prefix=HOMEBREW_CELLAR+name+version
+
+  if File.file? 'CMakeLists.txt'
+    "-DCMAKE_INSTALL_PREFIX=#{prefix}"
+  elsif File.file? 'Makefile.am'
+    "--prefix=#{prefix}"
+  end
+end
+
 ################################################################ class Cleaner
 class Cleaner
   def initialize f
-- 
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