rev-parse: document --is-inside-git-dir

Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index 7757abe..5fcec19 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -89,6 +89,10 @@ OPTIONS
 --git-dir::
        Show `$GIT_DIR` if defined else show the path to the .git directory.
 
+--is-inside-git-dir::
+       When the current working directory is below the repository
+       directory print "true", otherwise "false".
+
 --short, --short=number::
        Instead of outputting the full SHA1 values of object names try to
        abbreviate them to a shorter unique name. When no length is specified