From 842ae5dfee4c41e8c5f390bd096fbf018453afef Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Sat, 1 Oct 2016 13:29:18 +0100
Subject: update-test: add --to-tag option.

This option is used to test updating between tags.
---
 Library/Homebrew/dev-cmd/update-test.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'Library/Homebrew')

diff --git a/Library/Homebrew/dev-cmd/update-test.rb b/Library/Homebrew/dev-cmd/update-test.rb
index 18980b691..8d0391f66 100644
--- a/Library/Homebrew/dev-cmd/update-test.rb
+++ b/Library/Homebrew/dev-cmd/update-test.rb
@@ -8,11 +8,16 @@
 #:    If `--before=<date>` is passed, use the commit at `<date>` as the
 #:    start commit.
 #:
+#:    If `--to-tag` is passed, set HOMEBREW_UPDATE_TO_TAG to test updating
+#:    between tags.
+#:
 #:    If `--keep-tmp` is passed, retain the temporary directory containing
 #:    the new repository clone.
 
 module Homebrew
   def update_test
+    ENV["HOMEBREW_UPDATE_TO_TAG"] = "1" if ARGV.include?("--to-tag")
+
     cd HOMEBREW_REPOSITORY
     start_commit = if commit = ARGV.value("commit")
       commit
-- 
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