update: escape ? in the help flag list

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