Automagically enable numbering if we output more than one patch.

Signed-off-by: Mike Hommey <mh@glandium.org>
---

On Mon, Oct 22, 2007 at 10:44:12AM +0100, Johannes Schindelin wrote:
quoted text
> Hi,
> 
> On Sun, 21 Oct 2007, Andreas Ericsson wrote:
> 
> > [PATCH 1/1] looks a bit silly, and automagically handling this in 
> > git-format-patch makes some scripting around it a lot more pleasant.
> 
> I think you should not use "-n" if you do not want to have the numbers.  
> In circumstances as yours, where you can have patch series larger than 
> one, I imagine that the "[PATCH 1/1]" bears an important information, 
> which is not present in "[PATCH]": this patch series contains only one 
> patch.
> 
> IOW I do not like your patch: too much DWIDNS (Do What I Did NOT Say) for 
> me.

How about the contrary ?


 Documentation/git-format-patch.txt |    3 ++-
 builtin-log.c                      |    2 ++
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index f0617ef..b77daed 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -56,7 +56,8 @@ If -o is specified, output files are created in <dir>.  Otherwise
 they are created in the current working directory.
 
 If -n is specified, instead of "[PATCH] Subject", the first line
-is formatted as "[PATCH n/m] Subject".
+is formatted as "[PATCH n/m] Subject". This is the default when
+there is more than one commit to prepare patches for.
 
 If given --thread, git-format-patch will generate In-Reply-To and
 References headers to make the second and subsequent patch mails appear
diff --git a/builtin-log.c b/builtin-log.c
index 8b2bf63..640d6e7 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -642,6 +642,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
 		list[nr - 1] = commit;
 	}
 	total = nr;
+	if (!keep_subject && total > 1)
+		numbered = 1;
 	if (numbered)
 		rev.total = total + start_number - 1;
 	rev.add_signoff = add_signoff;
-- 
1.5.3.5

-
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