1 files changed, 47 insertions, 0 deletions
diff --git a/git-grep.sh b/git-grep.sh
new file mode 100755
index 0000000000..44c16130bd
--- /dev/null
+++ b/git-grep.sh
@@ -0,0 +1,47 @@
+#!/bin/sh
+#
+# Copyright (c) Linus Torvalds, 2005
+#
+
+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="$1"
+			shift
+		fi
+		break
+		;;
+	esac
+	shift
+done
+[ "$pattern" ] || {
+	echo >&2 "usage: 'git grep <pattern> [pathspec*]'"
+	exit 1
+}
+git-ls-files -z "${git_flags[@]}" "$@" |
+	xargs -0 grep "${flags[@]}" -e "$pattern"