tree-diff: catch integer overflow in combine_diff_path allocation

diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index ccd499867b64d0609df66196f833fff173dd60da..306b7e360409255a7aafaa3860d6d6c0412fb870 100644 (file)
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -23,7 +23,9 @@ ifndef::git-format-patch[]
 -u::
 --patch::
        Generate patch (see section on generating patches).
-       {git-diff? This is the default.}
+ifdef::git-diff[]
+       This is the default.
+endif::git-diff[]
 endif::git-format-patch[]
 
 -s::
@@ -41,8 +43,19 @@ endif::git-format-patch[]
 
 ifndef::git-format-patch[]
 --raw::
-       Generate the raw format.
-       {git-diff-core? This is the default.}
+ifndef::git-log[]
+       Generate the diff in raw format.
+ifdef::git-diff-core[]
+       This is the default.
+endif::git-diff-core[]
+endif::git-log[]
+ifdef::git-log[]
+       For each commit, show a summary of changes using the raw diff
+       format. See the "RAW OUTPUT FORMAT" section of
+       linkgit:git-diff[1]. This is different from showing the log
+       itself in raw format, which you can achieve with
+       `--format=raw`.
+endif::git-log[]
 endif::git-format-patch[]
 
 ifndef::git-format-patch[]
@@ -254,6 +267,9 @@ expression to make sure that it matches all non-whitespace characters.
 A match that contains a newline is silently truncated(!) at the
 newline.
 +
+For example, `--word-diff-regex=.` will treat each character as a word
+and, correspondingly, show differences character by character.
++
 The regex can also be set via a diff driver or configuration option, see
 linkgit:gitattributes[1] or linkgit:git-config[1].  Giving it explicitly
 overrides any diff driver or configuration setting.  Diff drivers
@@ -278,6 +294,16 @@ ifndef::git-format-patch[]
        initial indent of the line are considered whitespace errors.
        Exits with non-zero status if problems are found. Not compatible
        with --exit-code.
+
+--ws-error-highlight=<kind>::
+       Highlight whitespace errors on lines specified by <kind>
+       in the color specified by `color.diff.whitespace`.  <kind>
+       is a comma separated list of `old`, `new`, `context`.  When
+       this option is not given, only whitespace errors in `new`
+       lines are highlighted.  E.g. `--ws-error-highlight=new,old`
+       highlights whitespace errors on both deleted and added lines.
+       `all` can be used as a short-hand for `old,new,context`.
+
 endif::git-format-patch[]
 
 --full-index::