Date: Fri, 28 Oct 2011 20:44:17 -0700 From: Kevin Oberman <kob6558@gmail.com> To: Doug Barton <dougb@freebsd.org> Cc: Thomas Mueller <mueller6727@bellsouth.net>, freebsd-current@freebsd.org Subject: Re: Upgrade from source to RC1: problems with /etc : lost users and dbus Message-ID: <CAN6yY1vGF_SyX95ZZEeM7c2gTOMjrY=G%2B8JGMouBbc3y=Y3_og@mail.gmail.com> In-Reply-To: <4EAB71F9.9090602@FreeBSD.org> References: <CAFHbX1%2BWPM0E%2BUGpKKVb8WoNyeYBOp5GdrF59E3sgRp1TM8VRg@mail.gmail.com> <20111027102208.88BFB106564A@hub.freebsd.org> <20111028084329.134A0106566C@hub.freebsd.org> <4EAB5823.5090804@FreeBSD.org> <CAN6yY1uvd5vKRbruZWmRKk617MhWoYqk-E3c=EsHxDKKuLw=iA@mail.gmail.com> <4EAB71F9.9090602@FreeBSD.org>
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On Fri, Oct 28, 2011 at 8:24 PM, Doug Barton <dougb@freebsd.org> wrote: > On 10/28/2011 20:09, Kevin Oberman wrote: >> On Fri, Oct 28, 2011 at 6:34 PM, Doug Barton <dougb@freebsd.org> wrote: >>> On 10/28/2011 01:43, Thomas Mueller wrote: >>>> How does one run mergemaster without running roughshod over existing c= onfiguration? >>> >>> Carefully? :) =A0Seriously ... always use the -P option, and/or add >>> PRESERVE_FILES in your mergemaster rc file. Watch the changes carefully= . >>> If you have to, do the updates in more than one pass using the -r optio= n >>> for subsequent runs. Do the simple ones first, then go back and do the >>> ones that you have to think harder about. I recommend against using the >>> -U option. >>> >>> It's not rocket science, it's just like any other system administration >>> task, it requires careful attention. >> >> I agree that just running mergemaster CAREFULLY does the job. The only >> time I was ever burned was when I was in a BIG hurry and ended up >> wasting a LOT of time. (I think I also learned.) Of course, I also >> remember merging /etc before we had mergemaster. > > Yeah, me too, that's why I wrote it. :) > >> I am a bit curious why you recommend against -U, though. I've been >> using it since it was added and have never had a problems. It's saved >> me quite a bit of time. Is thee a corner case that I'm missing? > > The case where there are relevant changes in configuration or other > files that you miss because you install them without examination. That > said, I realize that what people *want* is an upgrade process that they > don't have to look at and/or think about. As soon as I figure out how to > make mergemaster telepathic I'll be sure to add that patch. An obvious problem that I managed overlook all of this time. And thanks for all of your shell code. Between mergemaster and portmaster you have saved many, many man-years of painful and error-prone effort. Do you dream in sh? --=20 R. Kevin Oberman, Network Engineer E-mail: kob6558@gmail.com
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