From ce092d90fab059309775209f04c7a8a9f08b5688 Mon Sep 17 00:00:00 2001
From: ilovezfs
Date: Sun, 4 Sep 2016 11:28:38 -0700
Subject: bump-formula-pr: set sha256 automatically when possible

---
 Library/Homebrew/dev-cmd/bump-formula-pr.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index ce10da52a..5b3b4773d 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -89,7 +89,16 @@ module Homebrew
     elsif !hash_type
       odie "#{formula}: no tag/revision specified!"
     else
-      odie "#{formula}: no url/#{hash_type} specified!"
+      rsrc = Resource.new { @url = new_url }
+      rsrc.download_strategy = CurlDownloadStrategy
+      rsrc.owner = Resource.new(formula.name)
+      rsrc_path = rsrc.fetch
+      if Utils.popen_read("/usr/bin/tar", "-tf", rsrc_path) =~ /\/.*\./
+        new_hash = rsrc_path.sha256
+      else
+        odie "#{formula}: no url/#{hash_type} specified!" if new_url.include?(".tar")
+        new_hash = rsrc_path.sha256
+      end
     end
 
     if ARGV.dry_run?
-- 
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