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[debbugs-tracker] bug#18747: closed ("preferLocalBuild" fails to disting


From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#18747: closed ("preferLocalBuild" fails to distinguish between offload and substitute)
Date: Thu, 02 Jul 2015 22:34:02 +0000

Your message dated Fri, 03 Jul 2015 00:33:14 +0200
with message-id <address@hidden>
and subject line Re: bug#18747: Fixed-output derivations are not substituted
has caused the debbugs.gnu.org bug report #18747,
regarding "preferLocalBuild" fails to distinguish between offload and substitute
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
18747: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18747
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: Fixed-output derivations are not substituted Date: Thu, 16 Oct 2014 17:26:03 +0200 User-agent: Gnus/5.130011 (Ma Gnus v0.11) Emacs/24.3 (gnu/linux)
With current ‘master’, fixed-output derivations are not substituted,
even though a substitute is available:

--8<---------------cut here---------------start------------->8---
$ guix build -S acct
The following file will be downloaded:
   /gnu/store/0sszdqmiqmb4mzbgs8h2185fh7p8bfd2-acct-6.6.1.tar.gz
@ build-started 
/gnu/store/b7c2lgbdnr5anzklxkzhjvqxl14n7cqp-acct-6.6.1.tar.gz.drv - 
x86_64-linux 
/var/log/guix/drvs/b7//c2lgbdnr5anzklxkzhjvqxl14n7cqp-acct-6.6.1.tar.gz.drv.bz2
starting download of 
`/gnu/store/0sszdqmiqmb4mzbgs8h2185fh7p8bfd2-acct-6.6.1.tar.gz' from 
`http://ftpmirror.gnu.org/acct/acct-6.6.1.tar.gz'...
following redirection to `http://gnu.cardse.net/acct/acct-6.6.1.tar.gz'...
http://gnu.cardse.net/.../acct-6.6.1.tar.gz     100.0% of 2802.4 KiB
@ build-succeeded 
/gnu/store/b7c2lgbdnr5anzklxkzhjvqxl14n7cqp-acct-6.6.1.tar.gz.drv -
/gnu/store/0sszdqmiqmb4mzbgs8h2185fh7p8bfd2-acct-6.6.1.tar.gz

$ sudo cat /var/guix/substitute-binary/cache/0sszdqmiqmb4mzbgs8h2185fh7p8bfd2
(narinfo (version 1) (cache-uri "http://hydra.gnu.org";) (date 1413472751) 
(value "StorePath:...

$ guix build -S libwebsockets
The following file will be downloaded:
   /gnu/store/1k4c1a6nckhm2hjpprvdrlkxx6yifclw-libwebsockets-1.3
@ build-started 
/gnu/store/8x0jgw0819l7aqi1k1f6i772skmwq1zq-libwebsockets-1.3.drv - 
x86_64-linux 
/var/log/guix/drvs/8x//0jgw0819l7aqi1k1f6i772skmwq1zq-libwebsockets-1.3.drv.bz2
Cloning into '/gnu/store/1k4c1a6nckhm2hjpprvdrlkxx6yifclw-libwebsockets-1.3'...
C-c C-c

$ sudo cat /var/guix/substitute-binary/cache/1k4c1a6nckhm2hjpprvdrlkxx6yifclw
(narinfo (version 1) (cache-uri "http://hydra.gnu.org";) (date 1413466633) 
(value "StorePath:...
--8<---------------cut here---------------end--------------->8---

Here, “The following file will be downloaded” means that a substitute is
found and will be used, as seen also in the cache.  But then we find
ourselves performing the derivation locally regardless.

Ludo’.



--- End Message ---
--- Begin Message --- Subject: Re: bug#18747: Fixed-output derivations are not substituted Date: Fri, 03 Jul 2015 00:33:14 +0200 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
Fixed in 4a6aeb6.

Note that there are still a few cases, in guix/*download.scm, where we
haven’t yet reintroduced #:local-build? #t.  We’ll do that when daemons
with the fix are more widely deployed.

Ludo’.


--- End Message ---

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