From 2ecd73bca4cee61096e076e7c15fd6e8ae928d6d Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Tue, 20 Sep 2016 09:07:02 +0100
Subject: update-report: migrate on newer auto-update.

If we have a `brew.sh` which has set
`HOMEBREW_ENABLE_AUTO_UPDATE_MIGRATION` then let's allow an auto-update
migration. That's because it contains the fix below it _before_ the
update happened which means the auto-update won't fail in the same way
as if updating from an old version.
---
 Library/Homebrew/brew.sh | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'Library/Homebrew/brew.sh')

diff --git a/Library/Homebrew/brew.sh b/Library/Homebrew/brew.sh
index daf53823f..fc2e6993c 100644
--- a/Library/Homebrew/brew.sh
+++ b/Library/Homebrew/brew.sh
@@ -267,6 +267,9 @@ update-preinstall() {
   [[ -z "$HOMEBREW_NO_AUTO_UPDATE" ]] || return
   [[ -z "$HOMEBREW_UPDATE_PREINSTALL" ]] || return
 
+  # Allow auto-update migration now we have a fix in place (below in this function).
+  export HOMEBREW_ENABLE_AUTO_UPDATE_MIGRATION="1"
+
   if [[ "$HOMEBREW_COMMAND" = "install" || "$HOMEBREW_COMMAND" = "upgrade" || "$HOMEBREW_COMMAND" = "tap" ]]
   then
     brew update --preinstall
-- 
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