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Re: [PATCH v4] daemon: Set ownership of kept build directories to the ca


From: Hartmut Goebel
Subject: Re: [PATCH v4] daemon: Set ownership of kept build directories to the calling user.
Date: Sat, 24 Dec 2016 13:34:16 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0

Am 23.12.2016 um 22:15 schrieb Danny Milosavljevic:
> Also, why use the magical value 0 for gid? Why not likewise (gid_t) -1 ?

The "magic value" for gid is -1, too, as you can see in
nix/nix-daemon/nix-daemon.cc.

gid 0 is not used as a magic value. As you can read in the comment, the
test just prohibits changing the group to "root":

    settings.clientGid != 0 ? settings.clientGid : -1

-- 
Regards
Hartmut Goebel

| Hartmut Goebel          | address@hidden               |
| www.crazy-compilers.com | compilers which you thought are impossible |




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