read-tree: --prefix=<path>/ option.

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 431b8f6e06194e302aac02fdf90522e6f5c04167..8b95df0c6e2a147cd89fdb20605896852085cbc5 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -3,7 +3,7 @@ git-rev-parse(1)
 
 NAME
 ----
-git-rev-parse - Pick out and massage parameters.
+git-rev-parse - Pick out and massage parameters
 
 
 SYNOPSIS
@@ -68,10 +68,23 @@ OPTIONS
        Show all refs found in `$GIT_DIR/refs`.
 
 --show-prefix::
-       When the command is invoked from a directory show the
+       When the command is invoked from a subdirectory, show the
        path of the current directory relative to the top-level
        directory.
 
+--show-cdup::
+       When the command is invoked from a subdirectory, show the
+       path of the top-level directory relative to the current
+       directory (typically a sequence of "../", or an empty string).
+
+--git-dir::
+       Show `$GIT_DIR` if defined else show the path to the .git directory.
+
+--short, --short=number::
+       Instead of outputting the full SHA1 values of object names try to
+       abbriviate them to a shorter unique name. When no length is specified
+       7 is used. The minimum length is 4.
+
 --since=datestring, --after=datestring::
        Parses the date string, and outputs corresponding
        --max-age= parameter for git-rev-list command.