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Re: guix package: error: build failed: some substitutes for the outputs


From: Ricardo Wurmus
Subject: Re: guix package: error: build failed: some substitutes for the outputs of derivation hash.drv failed (usually happens due to networking issues); try `--fallback' to build derivation from source
Date: Thu, 25 Oct 2018 06:58:46 +0200
User-agent: mu4e 1.0; emacs 26.1

Hi,

> # guix package -u --fallback
> guix package: warning: upgrade regexp '--fallback' looks like a command-line 
> option
> guix package: warning: is this intended?

The correct invokation is:

    guix package -u . --fallback

because ā€œ-uā€ takes an optional regular expression.

When hydra is not responsive you could try to fetch substitutes from a
different build farm such as berlin.guixsd.org.  Note that you may need
to authorize the public key for berlin.guixsd.org first before Guix will
accept substitutes from there.

--
Ricardo




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