Don't allow Keg.new for empty kegs

Kegs have to exist to be created.
2009-07-31 01:18:03 +01:00 · 2009-07-31 01:18:03 +01:00 · 6d64eb28d5
commit 6d64eb28d5
parent 4ac760779e
1 changed files with 3 additions and 1 deletions
--- a/Library/Homebrew/keg.rb
+++ b/Library/Homebrew/keg.rb
@ -29,7 +29,9 @@ class Keg
    elsif formula.is_a? Pathname
      # TODO
    elsif formula.is_a? String
-      kids=($cellar+formula).children
+      path=$cellar+formula
+      kids=path.children
+      raise "Empty installation: #{path}" if kids.length < 1
      raise "Multiple versions installed" if kids.length > 1
      @path=kids[0]
      @name=formula