add special "matching refs" refspec

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index 5d22b7b58c5950fe70d09e0bb7384179ae30220f..13234fa280b279bfccad0a9aec6989727957567a 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -58,6 +58,14 @@ endif::git-format-patch[]
        number of modified files, as well as number of added and deleted
        lines.
 
+--dirstat[=limit]::
+       Output only the sub-directories that are impacted by a diff,
+       and to what degree they are impacted.  You can override the
+       default cut-off in percent (3) by "--dirstat=limit".  If you
+       want to enable "cumulative" directory statistics, you can use
+       the "--cumulative" flag, which adds up percentages recursively
+       even when they have been already reported for a sub-directory.
+
 --summary::
        Output a condensed summary of extended header information
        such as creations, renames and mode changes.
@@ -75,7 +83,8 @@ endif::git-format-patch[]
        Show only names of changed files.
 
 --name-status::
-       Show only names and status of changed files.
+       Show only names and status of changed files. See the description
+       of the `--diff-filter` option on what the status letters mean.
 
 --color::
        Show colored diff.
@@ -93,7 +102,9 @@ endif::git-format-patch[]
 
 --check::
        Warn if changes introduce trailing whitespace
-       or an indent that uses a space before a tab.
+       or an indent that uses a space before a tab. Exits with
+       non-zero status if problems are found. Not compatible with
+       --exit-code.
 
 --full-index::
        Instead of the first handful characters, show full
@@ -168,6 +179,14 @@ endif::git-format-patch[]
        Swap two inputs; that is, show differences from index or
        on-disk file to tree contents.
 
+--relative[=<path>]::
+       When run from a subdirectory of the project, it can be
+       told to exclude changes outside the directory and show
+       pathnames relative to it with this option.  When you are
+       not in a subdirectory (e.g. in a bare repository), you
+       can name which subdirectory to make the output relative
+       to by giving a <path> as an argument.
+
 --text::
        Treat all files as text.
 
@@ -203,11 +222,20 @@ endif::git-format-patch[]
 
 --ext-diff::
        Allow an external diff helper to be executed. If you set an
-       external diff driver with gitlink:gitattributes[5], you need
-       to use this option with gitlink:git-log[1] and friends.
+       external diff driver with linkgit:gitattributes[5], you need
+       to use this option with linkgit:git-log[1] and friends.
 
 --no-ext-diff::
        Disallow external diff drivers.
 
+--src-prefix=<prefix>::
+       Show the given source prefix instead of "a/".
+
+--dst-prefix=<prefix>::
+       Show the given destination prefix instead of "b/".
+
+--no-prefix::
+       Do not show any source or destination prefix.
+
 For more detailed explanation on these common options, see also
 link:diffcore.html[diffcore documentation].