worktree: add -b/-B options

diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 231271b2f87a133290956337c9f41ac55657562a..f44cd78784b9e23e861a7b342a9cfa5cbf6033c4 100644 (file)
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -9,7 +9,7 @@ git-worktree - Manage multiple worktrees
 SYNOPSIS
 --------
 [verse]
-'git worktree add' [-f] [--detach] <path> <branch>
+'git worktree add' [-f] [--detach] [-b <new-branch>] <path> <branch>
 'git worktree prune' [-n] [-v] [--expire <expire>]
 
 DESCRIPTION
@@ -64,6 +64,14 @@ OPTIONS
        is already checked out by another worktree. This option overrides
        that safeguard.
 
+-b <new-branch>::
+-B <new-branch>::
+       With `add`, create a new branch named `<new-branch>` starting at
+       `<branch>`, and check out `<new-branch>` into the new worktree.
+       By default, `-b` refuses to create a new branch if it already
+       exists. `-B` overrides this safeguard, resetting `<new-branch>` to
+       `<branch>`.
+
 --detach::
        With `add`, detach HEAD in the new worktree. See "DETACHED HEAD" in
        linkgit:git-checkout[1].
@@ -133,8 +141,7 @@ make the emergency fix, remove it when done, and then resume your earlier
 refactoring session.
 
 ------------
-$ git branch emergency-fix master
-$ git worktree add ../temp emergency-fix
+$ git worktree add -b emergency-fix ../temp master
 $ pushd ../temp
 # ... hack hack hack ...
 $ git commit -a -m 'emergency fix for boss'