From 7ddaaf9bb030d49aba5eb0e8d8fd7944bc6532ee Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Tue, 6 Mar 2012 12:19:53 +0000
Subject: Doctor check for `python` is Python-3

Refs Homebrew/homebrew#9541.
---
 Library/Homebrew/cmd/doctor.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index 76763208f..d87b86ec6 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -782,6 +782,17 @@ def check_for_enthought_python
   end
 end
 
+def check_for_bad_python_symlink
+  return unless system "/usr/bin/which -s python"
+  # Indeed Python --version outputs to stderr (WTF?)
+  `python --version 2>&1` =~ /Python (\d+)\./
+  unless $1 == "2" then <<-EOS.undent
+    python is symlinked to python#$1
+    This will confuse build scripts and in general lead to subtle breakage.
+    EOS
+  end
+end
+
 end # end class Checks
 
 module Homebrew extend self
-- 
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