rebase: update documentation for --root

Since the new option depends on --onto and omission of <upstream>, use
a separate invocation style, and omit most options to save space.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
index c8ad86a56fc6bff70cb6e7c74cc8ef10ef2da73e..3d6d429e5e28d6a4520c3b54adb3ad065a3b774f 100644 (file)
--- a/Documentation/git-rebase.txt
+++ b/Documentation/git-rebase.txt
@@ -8,10 +8,11 @@ git-rebase - Forward-port local commits to the updated upstream head
 SYNOPSIS
 --------
 [verse]
-'git rebase' [-i | --interactive] [-v | --verbose] [-m | --merge]
-       [-s <strategy> | --strategy=<strategy>] [--no-verify]
-       [-C<n>] [ --whitespace=<option>] [-p | --preserve-merges]
-       [--onto <newbase>] <upstream> [<branch>]
+'git rebase' [-i | --interactive] [options] [--onto <newbase>]
+       <upstream> [<branch>]
+'git rebase' [-i | --interactive] [options] --onto <newbase>
+       --root [<branch>]
+
 'git rebase' --continue | --skip | --abort
 
 DESCRIPTION
@@ -22,7 +23,8 @@ it remains on the current branch.
 
 All changes made by commits in the current branch but that are not
 in <upstream> are saved to a temporary area.  This is the same set
-of commits that would be shown by `git log <upstream>..HEAD`.
+of commits that would be shown by `git log <upstream>..HEAD` (or
+`git log HEAD`, if --root is specified).
 
 The current branch is reset to <upstream>, or <newbase> if the
 --onto option was supplied.  This has the exact same effect as
@@ -255,6 +257,15 @@ OPTIONS
 --preserve-merges::
        Instead of ignoring merges, try to recreate them.
 
+--root::
+       Rebase all commits reachable from <branch>, instead of
+       limiting them with an <upstream>.  This allows you to rebase
+       the root commit(s) on a branch.  Must be used with --onto, and
+       will skip changes already contained in <newbase> (instead of
+       <upstream>).  When used together with --preserve-merges, 'all'
+       root commits will be rewritten to have <newbase> as parent
+       instead.
+
 include::merge-strategies.txt[]
 
 NOTES