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update-bash: avoid shellout for stripping prefix

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This commit is contained in:
Xu Cheng 2016-01-20 20:29:47 +08:00
parent 83e1373376
commit 9cd2658073
1 changed files with 2 additions and 2 deletions
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4
Library/Homebrew/cmd/update-bash.sh
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@ -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"
}