From 63c563f97074bdfb2ef8bf5388b216d137087c3c Mon Sep 17 00:00:00 2001
From: Uladzislau Shablinski
Date: Sat, 6 Aug 2016 11:22:12 +0300
Subject: Fix update commit for non-HEAD kegs with head spec (#644)

If we try to call `Formulary.from_keg(f, :head)` on the keg that
is not HEAD-keg itself, we don't need to update commit of
returned formula and should use just HEAD version with nil commit.

Same is true for `ARGV.resolved_formulae`---
 Library/Homebrew/extend/ARGV.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Library/Homebrew/extend')

diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index 2da6141c7..4a497957b 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -34,7 +34,7 @@ module HomebrewArgvExtension
           f.build = tab
           if f.head? && tab.tabfile
             k = Keg.new(tab.tabfile.parent)
-            f.version.update_commit(k.version.version.commit)
+            f.version.update_commit(k.version.version.commit) if k.version.head?
           end
         end
         f
-- 
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