3 files changed, 3 insertions, 7 deletions
diff --git a/Library/Homebrew/formula.rb b/Library/Homebrew/formula.rb
index 2d25d248b..d31c1fa7a 100644
--- a/Library/Homebrew/formula.rb
+++ b/Library/Homebrew/formula.rb
@@ -215,6 +215,7 @@ class Formula
         puts "If nothing is installed or the shell exits with a non-zero error code,"
         puts "Homebrew will abort. The installation prefix is:"
         puts prefix
+        ENV['HOMEBREW_DEBUG_INSTALL'] = name
         interactive_shell
       end
     end
diff --git a/Library/Homebrew/install.rb b/Library/Homebrew/install.rb
index 58c8167d3..cc4be370b 100755
--- a/Library/Homebrew/install.rb
+++ b/Library/Homebrew/install.rb
@@ -85,6 +85,7 @@ def install f
           puts "to copy the diff to the clipboard."
         end
 
+        ENV['HOMEBREW_DEBUG_INSTALL'] = f.name
         interactive_shell
         nil
       elsif ARGV.include? '--help'
diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 3d65b74b4..8f3aaca1a 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -47,13 +47,7 @@ def pretty_duration s
 end
 
 def interactive_shell
-  fork do
-    # TODO make the PS1 var change pls
-    #brown="\[\033[0;33m\]"
-    #reset="\[\033[0m\]"
-    #ENV['PS1']="Homebrew-#{HOMEBREW_VERSION} #{brown}\W#{reset}\$ "
-    exec ENV['SHELL']
-  end
+  fork {exec ENV['SHELL'] }
   Process.wait
   unless $?.success?
     puts "Aborting due to non-zero exit status"