Managing linux-next tree for submitting patches

Kumar amit mehta gmate.amit at gmail.com
Wed Nov 21 02:01:52 EST 2012


On Wed, Nov 21, 2012 at 01:51:14AM -0500, devendra.aaru wrote:
> On Wed, Nov 21, 2012 at 1:43 AM, Kumar amit mehta <gmate.amit at gmail.com> wrote:
> > On Wed, Nov 21, 2012 at 12:52:58AM -0500, devendra.aaru wrote:
> >> On Wed, Nov 21, 2012 at 12:36 AM, Kumar amit mehta <gmate.amit at gmail.com> wrote:
> >> > Hi,
> >> >
> >> > After some discussions that happened over kernel newbie mailing list in past,
> >> > I've managed to send some trivial patches to linux janitors and to relevant
> >> > maintainers. My patch base has been linux-next tree and I'm glad that some of
> >> > them got merged. Recently, for one of my patch, I got a reply from the
> >> > subsystem maintainer that my patch doesn't apply to his tree anymore and asked
> >> > me to do a refresh and try again. To make things clear, please find the steps
> >> > that I've followed to clone linux-next tree:
> >> > amit at ubuntu:~$ mkdir lkernel
> >> >
> >> > amit at ubuntu:~$ cd lkernel
> >> >
> >> > amit at ubuntu:~/lkernel$ git init
> >> > Initialized empty Git repository in /home/amit/lkernel/.git/
> >> >
> >> > amit at ubuntu:~/lkernel$ git remote add linux-next
> >> > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> >> >
> >> > amit at ubuntu:~/lkernel$ git fetch linux-next
> >> >
> >> > amit at ubuntu:~/lkernel$ git fetch --tags linux-next
> >> >
> >> > amit at ubuntu:~/lkernel$ git tag -l next-*
> >> > next-20120816
> >> > next-20120817
> >> > next-20120820
> >> > next-20120821
> >> > ............
> >> > ............
> >> > next-20121114
> >> > next-20121115 < -- --- (Most recent tag)
> >> >
> >> > amit at ubuntu:~/lkernel$ git checkout next-20121115 -b Nov-15
> >> >
> >> > amit at ubuntu:~/lkernel$ git branch
> >> > * Nov-15
> >> >
> >> > So *Nov-15* is my local branch and here I did some changes and did a commit
> >> > amit at ubuntu:~/lkernel$ git add <some file in staging directory>
> >> > amit at ubuntu:~/lkernel$ git commt -a
> >> >
> >> > amit at ubuntu:~/lkernel$ git status
> >> > # On branch Nov-15
> >> > nothing to commit (working directory clean)
> >> >
> >> > I forgot to send this patch for couple of days and maybe that was reason, my
> >> > patch couldn't apply(as mentioned by the subsystem maintainer). So still
> >> > being on my *Nov-15" branch, today(November 21, 2012), I invoked, following
> >> > commands to get the latest tags:
> >> >
> >> > amit at ubuntu:~/lkernel$ git branch
> >> > * Nov-15
> >> >
> >> > amit at ubuntu:~/lkernel$ git remote update
> >> > amit at ubuntu:~/lkernel$ git fetch linux-next
> >> > amit at ubuntu:~/lkernel$ git fetch --tags linux-next
> >> >
> >> > I was hoping to get new tags, but to my surprise there hasn't been any new
> >> > releases. This makes me think that something is wrong with my git setup.
> >> >
> >> > My git configuration:
> >> > amit at ubuntu:~/lkernel$ git config --list
> >> > user.name=<my name>
> >> > user.email=<my Email ID>
> >> > credential.helper=cache --timeout=3600
> >> > sendemail.smtpserver=<gmail smtp server>
> >> > sendemail.smtpserverport=<port>
> >> > sendemail.smtpencryption=<encryption>
> >> > sendemail.smtpuser=<my email ID>
> >> > color.ui=true
> >> > color.status=auto
> >> > color.branch=auto
> >> > push.default=matching
> >> > branch.autosetuprebase=always
> >> > core.repositoryformatversion=0
> >> > core.filemode=true
> >> > core.bare=false
> >> > core.logallrefupdates=true
> >> > remote.linux-next.url=git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> >> > remote.linux-next.fetch=+refs/heads/*:refs/remotes/linux-next/*
> >> > branch.master.remote=linux-next
> >> > branch.master.merge=refs/heads/master
> >> > branch.master.rebase=true
> >> >
> >> > Please confirm if everything is okay with my git setup and I need not worry if I
> >> > do not see any new tags for sometime.
> >> >
> >>
> >> the case is where in which the maintainer will have a new tree for the
> >> patches and next didnt' updated to the latest maintainer tree, and
> >> there is people who worked on the same thing  and thats why it didn't
> >> applied.
> >
> > Thank you for your reply.
> > So If I did a refresh (git remote update) and then again checked out the tree
> > with the latest tag(Note, that my previous branch was based off next-20121115
> > tag and even after 5 days I still see next-20121115 as the latest tag), I should
> > be fine ?
> >
> > In case you've been monitoring linux-next tree, then can you please issue the
> > following command and post what you get.
> > $ git tag -l next-*|tail -n 1
> 
> no i meant use the maintainer's git in that cases, not the next
So, my understanding is that To be more cautious, I should still be basing my 
work on linux-next tree and before sending the patch to the maintainer, I 
should do a dry run against the maintainer's tree. CMIIW.



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