From 6f1116c8e159bbeb718b0dd1e7bf5e8f6408f012 Mon Sep 17 00:00:00 2001
From: Vlad Shablinsky <vladshablinsky@gmail.com>
Date: Sun, 1 May 2016 00:21:58 +0300
Subject: [PATCH] download_strategy: fossil source_modified_time

Closes #171.

Signed-off-by: Xu Cheng <xucheng@me.com>
---
 Library/Homebrew/download_strategy.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 1384131309..a1e0ca5ba5 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -838,6 +838,10 @@ class FossilDownloadStrategy < VCSDownloadStrategy
     safe_system(*args)
   end
 
+  def source_modified_time
+    Time.parse Utils.popen_read("fossil", "info", "tip", "-R", cached_location.to_s)[/^uuid: +\h+ (.+)$/, 1]
+  end
+
   private
 
   def cache_tag