bug#33419: guix package is not showing that the checksum is mismatching

["Björn Höfling" <bjoern.hoefling@bjoernhoefling.de>]

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On Mon, 19 Nov 2018 21:30:46 +0100
ludo@gnu.org (Ludovic Courtès) wrote:

> Hello,
> 
> Björn Höfling <bjoern.hoefling@bjoernhoefling.de> skribis:

> > Is it intended that this build-failure detail is not shown? I
> > suppose not. At least in a log it should be shown.  
> 
> I suspect you’re running an “old” guix-daemon, aren’t you?
> 
> Could you try again with an up-to-date daemon (and client)?  The code
> that prints hash mismatch errors when talking to recent daemons is in
> (guix status).

Indeed! Short story: After really updating the daemon/root's Guix, it
works now.

Long story:

I have a really old daemon here:

$ tail -n 2 /etc/init/guix-daemon.conf 

exec /gnu/store/5drb0ijbszvy8xmps89qcav1p4vy9wqr-guix-0.11.0/bin/guix-daemon --build-users-group=guixbuild

I have no clue how to update it correctly and it was always a mystery,
so I read in the manual how to do that nowadays:

https://guix.info/manual/en/Binary-Installation.html#Binary-Installation

and did:

$ sudo
cp /root/.guix-profile/lib/upstart/system/guix-daemon.conf /etc/init/guix-daemon.conf
$ tail -n 2 /etc/init/guix-daemon.conf 

exec /var/guix/profiles/per-user/root/guix-profile/bin/guix-daemon --build-users-group=guixbuild

$ sudo systemctl stop guix-daemon
$ sudo systemctl start guix-daemon
$ ps -aux | grep guix
root      6995  0.1  0.0  27976  3940 ?        Ss   07:30   0:00 /var/guix/profiles/per-user/root/guix-profile/bin/guix-daemon --substitute-urls=https://berlinguixsd.org https://mirror.hydra.gnu.org --build-users-group=guixbuild
bjoern    6998  0.0  0.0  15780   948 pts/16   S+   07:30   0:00 grep --color=auto guix

Now, let's introduce the wrong checksum again, pull, update:

$ guix pull
$ guix package -u guix-tools

[...]

I was about to say that it still doesn't work, until I thought maybe my
guix in ~root/.guix-profile could also be a bit old:

$ sudo guix package -I | grep guix

guix    0.13.0  out     /gnu/store/vir3lrwqy50pr8fkaf3m091dgbrja2n6-guix-0.13.0

Uh, better than 0.11, but still not the newest version. But how to
get to a new one? Now, a `guix pull` for root failed with some error. So
I did a 

/home/bjoern/.config/guix/current/bin/guix pull --commit=<the-one-of-my-normal-user>

That worked, it updated guix.

After guix package -u, restarting the daemon again, I'm happy to see
the error directly on (as unpriviledged user bjoern: "guix package -u
guix-tools"):

substitute: updating substitutes from 'https://mirror.hydra.gnu.org'... 100.0%
building /gnu/store/kx97aqz66lpibxjiw3g8k7xhz5mmniyp-guix-tools-0.1.0-3.295d0a0-checkout.drv...
r:sha256 hash mismatch for /gnu/store/9d0djawpyjdl6jp900agmqfxrbk2vcra-guix-tools-0.1.0-3.295d0a0-checkout:
  expected hash: 11111111y50jcakricz36n1n5m99fxv8gxmk9ba3g0zfsl1a0918
  actual hash:   06z0jhxpy50jcakricz36n1n5m99fxv8gxmk9ba3g0zfsl1a0918
hash mismatch for store item '/gnu/store/9d0djawpyjdl6jp900agmqfxrbk2vcra-guix-tools-0.1.0-3.295d0a0-checkout'
build of /gnu/store/kx97aqz66lpibxjiw3g8k7xhz5mmniyp-guix-tools-0.1.0-3.295d0a0-checkout.drv failed


Thanks, closing this bug.

Björn


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