json_writer: new routines to create JSON data

diff --git a/Documentation/git-diff.txt b/Documentation/git-diff.txt
index 78d6d50489502638013509fbf72c811b50bfee86..b180f1fa5bf5599efd8c8fefe29e3249cd387715 100644 (file)
--- a/Documentation/git-diff.txt
+++ b/Documentation/git-diff.txt
@@ -9,11 +9,11 @@ git-diff - Show changes between commits, commit and working tree, etc
 SYNOPSIS
 --------
 [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>
+'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
 -----------
@@ -21,29 +21,34 @@ Show changes between the working tree and the index or a tree, changes
 between the index and a tree, changes between two trees, changes between
 two blob objects, or changes between two files on disk.
 
-'git diff' [--options] [--] [<path>...]::
+'git diff' [<options>] [--] [<path>...]::
 
        This form is to view the changes you made relative to
        the index (staging area for the next commit).  In other
        words, the differences are what you _could_ tell Git to
        further add to the index but you still haven't.  You can
        stage these changes by using linkgit:git-add[1].
-+
-If exactly two paths are given and at least one points outside
-the current repository, 'git diff' will compare the two files /
-directories. This behavior can be forced by --no-index.
 
-'git diff' [--options] --cached [<commit>] [--] [<path>...]::
+'git diff' [<options>] --no-index [--] <path> <path>::
+
+       This form is to compare the given two paths on the
+       filesystem.  You can omit the `--no-index` option when
+       running the command in a working tree controlled by Git and
+       at least one of the paths points outside the working tree,
+       or when running the command outside a working tree
+       controlled by Git.
+
+'git diff' [<options>] --cached [<commit>] [--] [<path>...]::
 
        This form is to view the changes you staged for the next
        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
+       If HEAD does not exist (e.g. unborn branches) and
        <commit> is not given, it shows all staged changes.
        --staged is a synonym of --cached.
 
-'git diff' [--options] <commit> [--] [<path>...]::
+'git diff' [<options>] <commit> [--] [<path>...]::
 
        This form is to view the changes you have in your
        working tree relative to the named <commit>.  You can
@@ -51,18 +56,18 @@ directories. This behavior can be forced by --no-index.
        branch name to compare with the tip of a different
        branch.
 
-'git diff' [--options] <commit> <commit> [--] [<path>...]::
+'git diff' [<options>] <commit> <commit> [--] [<path>...]::
 
        This is to view the changes between two arbitrary
        <commit>.
 
-'git diff' [--options] <commit>..<commit> [--] [<path>...]::
+'git diff' [<options>] <commit>..<commit> [--] [<path>...]::
 
        This is synonymous to the previous form.  If <commit> on
        one side is omitted, it will have the same effect as
        using HEAD instead.
 
-'git diff' [--options] <commit>\...<commit> [--] [<path>...]::
+'git diff' [<options>] <commit>\...<commit> [--] [<path>...]::
 
        This form is to view the changes on the branch containing
        and up to the second <commit>, starting at a common ancestor
@@ -82,7 +87,7 @@ and the range notations ("<commit>..<commit>" and
 "<commit>\...<commit>") do not mean a range as defined in the
 "SPECIFYING RANGES" section in linkgit:gitrevisions[7].
 
-'git diff' [options] <blob> <blob>::
+'git diff' [<options>] <blob> <blob>::
 
        This form is to view the differences between the raw
        contents of two blob objects.
@@ -92,6 +97,20 @@ OPTIONS
 :git-diff: 1
 include::diff-options.txt[]
 
+-1 --base::
+-2 --ours::
+-3 --theirs::
+       Compare the working tree with the "base" version (stage #1),
+       "our branch" (stage #2) or "their branch" (stage #3).  The
+       index contains these stages only for unmerged entries i.e.
+       while resolving conflicts.  See linkgit:git-read-tree[1]
+       section "3-Way Merge" for detailed information.
+
+-0::
+       Omit diff output for unmerged entries and just show
+       "Unmerged".  Can be used only when comparing the working tree
+       with the index.
+
 <path>...::
        The <paths> parameters, when given, are used to limit
        the diff to the named paths (you can give directory
@@ -153,8 +172,8 @@ $ git diff --name-status                <2>
 $ git diff arch/i386 include/asm-i386   <3>
 ------------
 +
-<1> Show only modification, rename and copy, but not addition
-nor deletion.
+<1> Show only modification, rename, and copy, but not addition
+or deletion.
 <2> Show only names and the nature of change, but not actual
 diff output.
 <3> Limit diff output to named subtrees.