Clearify the documentation for core.ignoreStat

The previous documentation didn't make it clear that the
"assume unchanged" was on per file basis, and not a global
flag.

Signed-off-by: Marius Storm-Olsen <marius@trolltech.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index c298dc21c5a4ba28eaf35c4d12ae9f0030487e83..5331b450ea051334d53ce3f1e727e33def2ea2cf 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -205,10 +205,13 @@ Can be overridden by the 'GIT_PROXY_COMMAND' environment variable
 handling).
 
 core.ignoreStat::
-       The working copy files are assumed to stay unchanged until you
-       mark them otherwise manually - Git will not detect the file changes
-       by lstat() calls. This is useful on systems where those are very
-       slow, such as Microsoft Windows.  See linkgit:git-update-index[1].
+       If true, commands which modify both the working tree and the index
+       will mark the updated paths with the "assume unchanged" bit in the
+       index. These marked files are then assumed to stay unchanged in the
+       working copy, until you mark them otherwise manually - Git will not
+       detect the file changes by lstat() calls. This is useful on systems
+       where those are very slow, such as Microsoft Windows.
+       See linkgit:git-update-index[1].
        False by default.
 
 core.preferSymlinkRefs::