#!/bin/sh
-flags=
-while :; do
- pattern="$1"
- case "$pattern" in
- -i|-I|-a|-E|-H|-h|-l)
- flags="$flags $pattern"
- shift
- ;;
- -e)
- pattern="$2"
- shift
- break
- ;;
- -*)
- echo "unknown flag $pattern" >&2
- exit 1
- ;;
- *)
- break
- ;;
- esac
+#
+# Copyright (c) Linus Torvalds, 2005
+#
+
+USAGE='<option>... <pattern> <path>...'
+SUBDIRECTORY_OK='Yes'
+. git-sh-setup
+
+pattern=
+flags=()
+git_flags=()
+while : ; do
+ case "$1" in
+ --cached|--deleted|--others|--killed|\
+ --ignored|--exclude=*|\
+ --exclude-from=*|\--exclude-per-directory=*)
+ git_flags=("${git_flags[@]}" "$1")
+ ;;
+ -e)
+ pattern="$2"
+ shift
+ ;;
+ -A|-B|-C|-D|-d|-f|-m)
+ flags=("${flags[@]}" "$1" "$2")
+ shift
+ ;;
+ --)
+ # The rest are git-ls-files paths (or flags)
+ shift
+ break
+ ;;
+ -*)
+ flags=("${flags[@]}" "$1")
+ ;;
+ *)
+ if [ -z "$pattern" ]; then
+ pattern="$1"
+ shift
+ fi
+ break
+ ;;
+ esac
+ shift
done
-shift
-git-ls-files -z "$@" | xargs -0 grep $flags -e "$pattern"
+[ "$pattern" ] || {
+ usage
+}
+git-ls-files -z "${git_flags[@]}" "$@" |
+ xargs -0 grep "${flags[@]}" -e "$pattern"