From 2bb30fc5f0ab4146190e65d017ea0ad4eac40dbf Mon Sep 17 00:00:00 2001
From: Xu Cheng
Date: Sun, 6 Mar 2016 15:01:54 +0800
Subject: --version/config: show core tap information

---
 Library/Homebrew/utils.rb | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'Library/Homebrew/utils.rb')

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index 98ebcc9c8..0675cce5d 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -229,6 +229,18 @@ module Homebrew
     end
   end
 
+  def self.core_tap_version_string
+    require "tap"
+    tap = CoreTap.instance
+    return "N/A" unless tap.installed?
+    if pretty_revision = tap.git_short_head
+      last_commit = tap.git_last_commit_date
+      "(git revision #{pretty_revision}; last commit #{last_commit})"
+    else
+      "(no git repository)"
+    end
+  end
+
   def self.install_gem_setup_path!(gem, version = nil, executable = gem)
     require "rubygems"
 
-- 
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