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bug#14890: Wrong hash for tzdata
From: |
Ludovic Courtès |
Subject: |
bug#14890: Wrong hash for tzdata |
Date: |
Wed, 17 Jul 2013 12:23:26 +0200 |
User-agent: |
Gnus/5.130007 (Ma Gnus v0.7) Emacs/24.3 (gnu/linux) |
Andreas Enge <address@hidden> skribis:
> $ guix build tzdata --no-substitutes -S
>
> ...
> starting download of `/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-
> tzdata2013d.tar.gz' from `http://www.iana.org/time-
> zones/repository/releases/tzdata2013d.tar.gz'...
> http://www.iana.org/.../tzdata2013d.tar.gz 100.0% of 213.8 KiB
> output path `/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-
> tzdata2013d.tar.gz' should have sha256 hash
> `08jzd8y2xkgd89wqrv3835pqr48yjabaczxr2rmg42zaykr11an0', instead has
> `011v63ppr73vhjgxv00inkn5pc7z48i8lhbapkpdq3kfczq9c76d'
Hmm, works for me:
--8<---------------cut here---------------start------------->8---
$ ./pre-inst-env guix build tzdata -S
The following file will be downloaded:
/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
@ substituter-started
/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
/home/ludo/src/guix/nix/scripts/substitute-binary
downloading `/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz'
from
`http://hydra.gnu.org/nar/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz'...
http://hydra.gnu.org/nar/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
167.1 KiB transferred@ substituter-succeeded
/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
$ sudo cat
/nix/var/nix/substitute-binary/cache/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq
(narinfo (version 0) (date 1374056150) (value "StorePath:
/nix/store/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz\nURL:
http://hydra.gnu.org/nar/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz\nCompression:
bzip2\nFileHash: \nFileSize: \nNarHash:
sha256:0x25a56v6j6xhmbbfl29f97ch4prfr9xsbbgw4r9p5dk9qw09wvv\nNarSize:
727152\nReferences: \nDeriver:
j1c8v7bfpalq8vpk31pkazcczdgl52vq-tzdata2013d.tar.gz.drv\nSystem:
x86_64-linux\n"))
--8<---------------cut here---------------end--------------->8---
> The file stored on hydra is
> gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
> which has been decompressed before storage and is in fact not a .tar.gz,
> but a .tar. It is identical to the decompressed file from the iana website.
What makes you think so? It’s a bzip2-compressed nar:
--8<---------------cut here---------------start------------->8---
$ wget -O tgz
http://hydra.gnu.org/nar/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
--2013-07-17 12:19:28--
http://hydra.gnu.org/nar/gryg2h8lp3s8cc4zgxw14yn7d0wgc9lq-tzdata2013d.tar.gz
[...]
2013-07-17 12:19:29 (171 KB/s) - ‘tgz’ saved [171109]
$ file tgz
tgz: bzip2 compressed data, block size = 900k
$ bunzip2 < tgz > nar
$ grep nix-archive nar
Binary file nar matches
$ guile -c '(use-modules (guix nar)) (call-with-input-file "nar" (lambda (p)
(restore-file p ",,out")))'
$ file ,,out
,,out: POSIX tar archive (GNU)
$ guix hash ,,out
08jzd8y2xkgd89wqrv3835pqr48yjabaczxr2rmg42zaykr11an0
--8<---------------cut here---------------end--------------->8---
Could it be that there was a transient networking failure or something?
Thanks,
Ludo’.