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Re: [Duplicity-talk] Restore numeric owner?

From: Kenneth Loafman
Subject: Re: [Duplicity-talk] Restore numeric owner?
Date: Wed, 29 Oct 2008 19:02:32 -0500
User-agent: Thunderbird (X11/20080925)

Thank you for tackling this.  All patches appreciated!

Dylan Martin wrote:
> And I just found a bug in my patch:  some files which belong to a user
> who's uname exists on the system running duplicity and the restored
> system but where the uid is different will have their uid set to the
> wrong number.  I'll try and come up with another patch tomorrow.
> On Wed, Oct 29, 2008 at 1:42 PM, Dylan Martin <address@hidden> wrote:
>> And believe it or not, here's a patch which may or may not pass muster:
>> On Wed, Oct 29, 2008 at 9:30 AM, Dylan Martin <address@hidden> wrote:
>>> Okay, I'm going to take a peek at the code and if it's not over my
>>> head, I'll send a patch.  Otherwise I'll make that request.
>>> On Tue, Oct 28, 2008 at 6:00 PM, Kenneth Loafman <address@hidden> wrote:
>>>> Dylan Martin wrote:
>>>>> When restoring a tar backup, you can specify --numeric-owner (at least
>>>>> with GNU tar) and files will keep the numeric uid/gid from the
>>>>> archive, even if they map to the different user names on the running
>>>>> system.  This is useful if you're doing the restore on a different
>>>>> system than the files will actually be used on.
>>>>> I'll explain my question another way in case I'm not making sense:
>>>>> When I restore a system, I normally boot up with a CD or other media.
>>>>> I then mount the hard drive of the victim machine and restore files
>>>>> onto that hard drive.  If the /etc/passwd file on the CD is not the
>>>>> same as the /etc/passwd file on the system I'm restoring, files will
>>>>> belong to the wrong user when I finally reboot the system on it's own.
>>>>>  Using tar, I can get around this with the --numeric-owner switch.
>>>>> Is there a way to do this with duplicity?  If not, It's a feature I'd
>>>>> love to see.  Is there a best way to handle this situation?  Right
>>>>> now, I think I'll have to restore to a directory, chroot, and then do
>>>>> a complete restore again to reset all the uids and gids.
>>>> I understand what you want to do, but at the moment duplicity does not
>>>> support that.  It would be a good idea to submit a support request on
>>>> the web for the new feature.
>>>> ...Ken
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