From 6a1fa87191bfef31ff1b2d47d3ebf281398a210f Mon Sep 17 00:00:00 2001
From: Markus Reiter
Date: Wed, 28 Jun 2017 17:53:59 +0200
Subject: Refactor Formula/Cask dependencies.

---
 Library/Homebrew/cask/lib/hbc/exceptions.rb | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'Library/Homebrew/cask/lib/hbc/exceptions.rb')

diff --git a/Library/Homebrew/cask/lib/hbc/exceptions.rb b/Library/Homebrew/cask/lib/hbc/exceptions.rb
index d9e1b07db..1a246be65 100644
--- a/Library/Homebrew/cask/lib/hbc/exceptions.rb
+++ b/Library/Homebrew/cask/lib/hbc/exceptions.rb
@@ -77,9 +77,15 @@ module Hbc
     end
   end
 
-  class CaskCyclicCaskDependencyError < AbstractCaskErrorWithToken
+  class CaskCyclicDependencyError < AbstractCaskErrorWithToken
     def to_s
-      "Cask '#{token}' includes cyclic dependencies on other Casks and could not be installed."
+      "Cask '#{token}' includes cyclic dependencies on other Casks" << (reason.empty? ? "." : ": #{reason}")
+    end
+  end
+
+  class CaskSelfReferencingDependencyError < CaskCyclicDependencyError
+    def to_s
+      "Cask '#{token}' depends on itself."
     end
   end
 
@@ -91,7 +97,7 @@ module Hbc
 
   class CaskInvalidError < AbstractCaskErrorWithToken
     def to_s
-      "Cask '#{token}' definition is invalid" << (reason.empty? ? ".": ": #{reason}")
+      "Cask '#{token}' definition is invalid" << (reason.empty? ? "." : ": #{reason}")
     end
   end
 
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