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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-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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