Documentation: mention `push.default` in git-push.txt

It already is listed in the "git config" documentation, but people
interested in pushing would first look at "git push" documentation.

Noticed-by: David Glasser
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Acked-by: Matthieu Moy <Matthieu.Moy@grenoble-inp.fr>
Fixed-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt
index cb97cc1c3b44d2b5201af8593e593a08bd36855e..22d2580129538898933d19582b8c292f6463f6a8 100644 (file)
--- a/Documentation/git-push.txt
+++ b/Documentation/git-push.txt
@@ -37,7 +37,9 @@ OPTIONS[[OPTIONS]]
        `+`, followed by the source ref <src>, followed
        by a colon `:`, followed by the destination ref <dst>.
        It is used to specify with what <src> object the <dst> ref
-       in the remote repository is to be updated.
+       in the remote repository is to be updated.  If not specified,
+       the behavior of the command is controlled by the `push.default`
+       configuration variable.
 +
 The <src> is often the name of the branch you would want to push, but
 it can be any arbitrary "SHA-1 expression", such as `master~4` or
@@ -65,7 +67,8 @@ directs git to push "matching" branches: for every branch that exists on
 the local side, the remote side is updated if a branch of the same name
 already exists on the remote side.  This is the default operation mode
 if no explicit refspec is found (that is neither on the command line
-nor in any Push line of the corresponding remotes file---see below).
+nor in any Push line of the corresponding remotes file---see below) and
+no `push.default` configuration variable is set.
 
 --all::
        Instead of naming each ref to push, specifies that all
@@ -357,7 +360,8 @@ Examples
        `git push origin :`.
 +
 The default behavior of this command when no <refspec> is given can be
-configured by setting the `push` option of the remote.
+configured by setting the `push` option of the remote, or the `push.default`
+configuration variable.
 +
 For example, to default to pushing only the current branch to `origin`
 use `git config remote.origin.push HEAD`.  Any valid <refspec> (like