Merge branch 'em/checkout-orphan'

diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt
index 4c9422d223eedde03af9396def5b81acd38b5517..8250bad2ce95245ca8e2a41c0740d0029b92ae4b 100644 (file)
--- a/Documentation/git-difftool.txt
+++ b/Documentation/git-difftool.txt
@@ -7,7 +7,7 @@ git-difftool - Show changes using common diff tools
 
 SYNOPSIS
 --------
-'git difftool' [--tool=<tool>] [-y|--no-prompt|--prompt] [<'git diff' options>]
+'git difftool' [<options>] <commit>{0,2} [--] [<path>...]
 
 DESCRIPTION
 -----------
@@ -58,6 +58,18 @@ is set to the name of the temporary file containing the contents
 of the diff post-image.  `$BASE` is provided for compatibility
 with custom merge tool commands and has the same value as `$LOCAL`.
 
+-x <command>::
+--extcmd=<command>::
+       Specify a custom command for viewing diffs.
+       'git-difftool' ignores the configured defaults and runs
+       `$command $LOCAL $REMOTE` when this option is specified.
+
+-g::
+--gui::
+       When 'git-difftool' is invoked with the `-g` or `--gui` option
+       the default diff tool will be read from the configured
+       `diff.guitool` variable instead of `diff.tool`.
+
 See linkgit:git-diff[1] for the full list of supported options.
 
 CONFIG VARIABLES
@@ -68,6 +80,9 @@ difftool equivalents have not been defined.
 diff.tool::
        The default diff tool to use.
 
+diff.guitool::
+       The default diff tool to use when `--gui` is specified.
+
 difftool.<tool>.path::
        Override the path for the given tool.  This is useful in case
        your tool is not in the PATH.