[arch-general] pacman's NoUpgrade option does not ignore read-only files

Marcel Menzel mail at mcl.gg
Mon Jan 25 18:49:52 UTC 2021

Am 25.01.2021 um 19:12 schrieb Marcel Menzel via arch-general:
> Hello list,
> I can't get pacman to ignore read-only files via the the NoUpgrade
> and/or the NoExtract config options.
> I have several Arch Linux LXC (managed via LXD) containers, with several
> read-only files mapped into those containers for convenience. For
> example, to have a single resolv.conf for all containers, I configured
> the following in LXD:
> devices:
>   resolv_conf:
>     path: /etc/resolv.conf
>     readonly: "true"
>     source: /root/containerfiles/resolv.conf
>     type: disk
> Now the problem is, when I want to run upgrades in containers, the
> pacman check for disk space fails with:
> error: Partition /etc/resolv.conf is mounted read only
> According to man pacman.conf, setting "etc/resolv.conf" in NoUpgrade
> should *in theory* get around this problem for my understandings, but it
> somehow doesn't. Also setting both does not work:
> NoUpgrade   = etc/resolv.conf
> NoExtract   = etc/resolv.conf
> Am I missing something out here? Is there any way to accomplish what I
> want or do I really have to work with a pacman hook here which copies
> the read only mounted file to the original place after a package upgrade?
> Thanks & kind regards,
> Marcel Menzel

Following up: Commenting out "CheckSpace" in pacman.conf will lead to
the desired behavior. Is this considered worth reporting as a bug in the

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