[Buildroot] [PATCH v3 1/1] docs/website: contribute.txt update with useful tips on patch versioning and patch submission

[Francesco Nwokeka]

Added an alternative on patch versioning (the -v option) and added a tip on how to automatically mark a previous commit as superseded

Signed-off-by: Francesco Nwokeka <francesco.nwokeka at gmail.com>

---
v1 -> v2: adjusted previous patch with observations from mailing list
v2 -> v3: Replaced "the patchwork website" with a link to the project website

Signed-off-by: Francesco Nwokeka <francesco.nwokeka at gmail.com>
---
 docs/manual/contribute.txt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/docs/manual/contribute.txt b/docs/manual/contribute.txt
index 40579f9..4dae676 100644
--- a/docs/manual/contribute.txt
+++ b/docs/manual/contribute.txt
@@ -298,6 +298,13 @@ $ git format-patch --subject-prefix "PATCH v4" \
     -M -s -o outgoing origin/master
 ---------------------
 
+Since git version 1.8.1, you can also use +-v <n>+ (where <n> is the
+version number):
+
+---------------------
+$ git format-patch -v4 -M -s -o outgoing origin/master
+---------------------
+
 When you provide a new version of a patch, please mark the old one as
 superseded in http://patchwork.buildroot.org[patchwork]. You need to
 create an account on http://patchwork.buildroot.org[patchwork] to be
@@ -306,6 +313,13 @@ the status of patches you submitted yourself, which means the email
 address you register in http://patchwork.buildroot.org[patchwork] should
 match the one you use for sending patches to the mailing list.
 
+You can also add the +--in-reply-to <message-id>+ flag when
+submitting a patch to the mailing list. The id of the mail
+to reply to can be found under the "Message Id" tag on
+http://patchwork.buildroot.org[patchwork].
+The advantage of *in-reply-to* is that patchwork will automatically mark the
+previous patch as superseded.
+
 [[reporting-bugs]]
 === Reporting issues/bugs or getting help
 
-- 
2.5.1