From 9cd2658073f642af615f24133db9f02c0df2bb9a Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Wed, 20 Jan 2016 20:29:47 +0800
Subject: [PATCH] update-bash: avoid shellout for stripping prefix
---
Library/Homebrew/cmd/update-bash.sh | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Library/Homebrew/cmd/update-bash.sh b/Library/Homebrew/cmd/update-bash.sh
index 3b3eac482f..27cbd32ed7 100755
--- a/Library/Homebrew/cmd/update-bash.sh
+++ b/Library/Homebrew/cmd/update-bash.sh
@@ -54,8 +54,8 @@ repo_var() {
upstream_branch() {
local upstream_branch
- upstream_branch="$(git symbolic-ref refs/remotes/origin/HEAD 2>/dev/null |
- sed -e 's|refs/remotes/origin/||' )"
+ upstream_branch="$(git symbolic-ref refs/remotes/origin/HEAD 2>/dev/null)"
+ upstream_branch="${upstream_branch#refs/remotes/origin/}"
[[ -z "$upstream_branch" ]] && upstream_branch="master"
echo "$upstream_branch"
}
--
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