grep docs: document --no-index option

Also clarify --cached and <tree>.

Signed-off-by: Mark Lodato <lodatom@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt
index 37ce94305bdc1b41fef7f24c7e5a274f39df1ba2..ee506e67f09034591b4cd0215f72f61ff607d128 100644 (file)
--- a/Documentation/git-grep.txt
+++ b/Documentation/git-grep.txt
@@ -21,7 +21,7 @@ SYNOPSIS
           [-A <post-context>] [-B <pre-context>] [-C <context>]
           [-f <file>] [-e] <pattern>
           [--and|--or|--not|(|)|-e <pattern>...]
-          [--cached | <tree>...]
+          [--cached | --no-index | <tree>...]
           [--] [<pathspec>...]
 
 DESCRIPTION
@@ -33,8 +33,11 @@ registered in the index file, or blobs in given tree objects.
 OPTIONS
 -------
 --cached::
-       Instead of searching in the working tree files, check
-       the blobs registered in the index file.
+       Instead of searching tracked files in the working tree, search
+       blobs registered in the index file.
+
+--no-index::
+       Search files in the current directory, not just those tracked by git.
 
 -a::
 --text::
@@ -164,7 +167,8 @@ OPTIONS
        there is a match and with non-zero status when there isn't.
 
 <tree>...::
-       Search blobs in the trees for specified patterns.
+       Instead of searching tracked files in the working tree, search
+       blobs in the given trees.
 
 \--::
        Signals the end of options; the rest of the parameters