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Re: Making package builds deterministic
From: |
Ricardo Wurmus |
Subject: |
Re: Making package builds deterministic |
Date: |
Thu, 7 Jul 2016 11:51:40 +0200 |
User-agent: |
mu4e 0.9.16; emacs 24.5.1 |
Hi Matthew,
> After running the following commands I got some output at the end
> indicating non-determinisim.
>
> ================================================================================
>
> $ export GUIX_BUILD_OPTIONS="--keep-failed --verbosity=3"
> $ ./pre-inst-env guix build --rounds=2 address@hidden &>/dev/stdout
> &>${BUILD_LOG}
>
> ...
> result of ‘/gnu/store/y89n1idbjpq0hhqjpg82mw6bd1llnl21-go-1.4.3.drv’
> differs from previous round; rejecting as non-deterministic
> @ build-failed /gnu/store/y89n1idbjpq0hhqjpg82mw6bd1llnl21-go-1.4.3.drv
> - 1 result of ‘/gnu/store/y89n1idbjpq0hhqjpg82mw6bd1llnl21-go-1.4.3.drv’
> differs from previous round; rejecting as non-deterministic
> note: keeping build directory `/tmp/guix-build-go-1.4.3.drv-0'
> guix build: error: build failed: build of
> `/gnu/store/y89n1idbjpq0hhqjpg82mw6bd1llnl21-go-1.4.3.drv' failed
>
> ================================================================================
>
> What I would like to know, is there a way to have two build/output directories
> to compare (maybe with diff or some other tool). Basically I'm just
> trying to identify the files causing the non-determinisim.
Since 7f3b2510d6b050b8fb0974fa0cd7a164ac51f6d1 the daemon should keep
the rebuilt output when “--check” and “-K” is given. Are you using the
latest version of the daemon?
~~ Ricardo