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Re: [Bug-tar] [PATCH] add a numeric offset option for uid and gid manipu

From: Paul Eggert
Subject: Re: [Bug-tar] [PATCH] add a numeric offset option for uid and gid manipulations
Date: Tue, 12 Mar 2013 09:12:58 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130219 Thunderbird/17.0.3

On 03/12/13 02:03, Glauber Costa wrote:
> With that, it is extremely useful when unpacking tar archives, to be
> able to add that offset to the end result. Specifying a user won't help,
> since the tar archive can have many

Sorry, I'm not following this part.  Why can't you extract the
tar image in a context where the mapping is already in place?
If user "foo" is host user ID 4000, for example, and you're running
in an environment where uid 0 maps to 10000, then presumably
user "foo" is namespace user 14000, which is what you want, no?

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