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update: escape ? in the help flag list

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Otherwise it will match any character
This commit is contained in:
Xu Cheng 2016-05-02 21:04:30 +08:00
parent 3b40dcedf8
commit 67944c2f2d
1 changed files with 1 additions and 1 deletions
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2
Library/Homebrew/cmd/update.sh
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@ -234,7 +234,7 @@ homebrew-update() {
for option in "$@" for option in "$@"
do do
case "$option" in case "$option" in
-?|-h|--help|--usage) brew help update; exit $? ;; -\?|-h|--help|--usage) brew help update; exit $? ;;
--verbose) HOMEBREW_VERBOSE=1 ;; --verbose) HOMEBREW_VERBOSE=1 ;;
--debug) HOMEBREW_DEBUG=1;; --debug) HOMEBREW_DEBUG=1;;
--merge) HOMEBREW_MERGE=1 ;; --merge) HOMEBREW_MERGE=1 ;;