upload-pack: fix off-by-one depth calculation in shallow clone

diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt
index dd1fb32786f6f467a1c46f2643fbc54d0390f2ec..f8c06013f3588a96e66d08265afe8131f054b7ff 100644 (file)
--- a/Documentation/git-diff.txt
+++ b/Documentation/git-diff.txt
@@ -8,12 +8,18 @@ git-diff - Show changes between commits, commit and working tree, etc
 
 SYNOPSIS
 --------
-'git diff' [<common diff options>] <commit>{0,2} [--] [<path>...]
+[verse]
+'git diff' [options] [<commit>] [--] [<path>...]
+'git diff' [options] --cached [<commit>] [--] [<path>...]
+'git diff' [options] <commit> <commit> [--] [<path>...]
+'git diff' [options] <blob> <blob>
+'git diff' [options] [--no-index] [--] <path> <path>
 
 DESCRIPTION
 -----------
-Show changes between two trees, a tree and the working tree, a
-tree and the index file, or the index file and the working tree.
+Show changes between the working tree and the index or a tree, changes
+between the index and a tree, changes between two trees, or changes
+between two files on disk.
 
 'git diff' [--options] [--] [<path>...]::
 
@@ -33,6 +39,8 @@ directories. This behavior can be forced by --no-index.
        commit relative to the named <commit>.  Typically you
        would want comparison with the latest commit, so if you
        do not give <commit>, it defaults to HEAD.
+       If HEAD does not exist (e.g. unborned branches) and
+       <commit> is not given, it shows all staged changes.
        --staged is a synonym of --cached.
 
 'git diff' [--options] <commit> [--] [<path>...]::
@@ -48,6 +56,11 @@ directories. This behavior can be forced by --no-index.
        This is to view the changes between two arbitrary
        <commit>.
 
+'git diff' [options] <blob> <blob>::
+
+       This form is to view the differences between the raw
+       contents of two blob objects.
+
 'git diff' [--options] <commit>..<commit> [--] [<path>...]::
 
        This is synonymous to the previous form.  If <commit> on
@@ -65,8 +78,7 @@ directories. This behavior can be forced by --no-index.
 Just in case if you are doing something exotic, it should be
 noted that all of the <commit> in the above description, except
 in the last two forms that use ".." notations, can be any
-<tree>.  The third form ('git diff <commit> <commit>') can also
-be used to compare two <blob> objects.
+<tree>.
 
 For a more complete list of ways to spell <commit>, see
 "SPECIFYING REVISIONS" section in linkgit:gitrevisions[7].
@@ -167,14 +179,6 @@ linkgit:gitdiffcore[7],
 linkgit:git-format-patch[1],
 linkgit:git-apply[1]
 
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org>
-
-Documentation
---------------
-Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
-
 GIT
 ---
 Part of the linkgit:git[1] suite