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-rw-r--r--Library/Homebrew/formula_installer.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 97292d984..1a4250486 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -131,7 +131,7 @@ class FormulaInstaller
raise "Suspicious installation failure" unless $?.success?
# Write an installation receipt (a Tab) to the prefix
- Tab.for_install(f, args).write
+ Tab.for_install(f, args).write if f.prefix.exist?
end
end