From d5255b87eee44da74918e007a55631177b954767 Mon Sep 17 00:00:00 2001
From: Jack Nagel
Date: Fri, 28 Feb 2014 15:58:20 -0600
Subject: Automatically install taps for cross-tap dependencies

Closes #27099.
---
 Library/Homebrew/formula_installer.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index ef18635fb..43d84d1eb 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -10,6 +10,7 @@ require 'caveats'
 require 'cleaner'
 require 'formula_cellar_checks'
 require 'install_renamed'
+require 'cmd/tap'
 
 class FormulaInstaller
   include FormulaCellarChecks
@@ -44,6 +45,9 @@ class FormulaInstaller
 
   def verify_deps_exist
     f.recursive_dependencies.map(&:to_formula)
+  rescue TapFormulaUnavailableError => e
+    Homebrew.install_tap(e.user, e.repo)
+    retry
   rescue FormulaUnavailableError => e
     e.dependent = f.name
     raise
-- 
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