installer: don't try and unlink nil tabfile.

Closes Homebrew/homebrew#23472.
2013-10-23 12:39:42 +01:00 · 2013-10-23 12:39:42 +01:00 · 71218a29d2
commit 71218a29d2
parent a5e8962ae7
1 changed files with 1 additions and 1 deletions
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@ -534,7 +534,7 @@ class FormulaInstaller
    return if stdlibs.empty?

    tab = Tab.for_formula(f)
-    tab.tabfile.unlink
+    tab.tabfile.unlink if tab.tabfile
    # It's technically possible for the same lib to link to multiple C++ stdlibs,
    # but very bad news. Right now we don't track this woeful scenario.
    tab.stdlib = stdlibs.first