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From: Bengt Richter <bokr@bokr.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: Guix Devel <guix-devel@gnu.org>
Subject: Re: Package inputs in manifests
Date: Sat, 23 Nov 2019 21:49:06 -0800	[thread overview]
Message-ID: <20191124054906.GA122855@PhantoNv4ArchGx.localdomain> (raw)
In-Reply-To: <878so67kn6.fsf@gnu.org>

Hi Ludo,

On +2019-11-23 15:05:49 +0100, Ludovic Courtès wrote:
> Hi,
> 
> Bengt Richter <bokr@bokr.com> skribis:
> 
> > Can "collisions" be collisions even if the targets are bit-identical?
> 
> Collisions are when the same package appears several times with
> different version strings, or when the same package/version appears
> several times with a different store item.
> 
> Ludo’.

In this case, the "Inode: 1966255" entries below say the gzips are not different store items,
so what am I missing about "version strings?" :)

Why would there be different prefixes? Are transient-state link counts somehow
entering into prefix hash calculations? But that's directory state, isn't it? ...

┌─────────────────────────────────────────────────────────────────────────────────────┐
│ So again, what exactly goes into computing those /gnu/store/.../file prefixes?? ;-) │
└─────────────────────────────────────────────────────────────────────────────────────┘

find /gnu -name '*gzip'|grep gzip-1.10
--8<---------------cut here---------------start------------->8---
/gnu/store/i2cdl0hvrml8hjdqplqln8didnvxkgp5-gzip-1.10/bin/gzip
/gnu/store/py3k9zla9fj3z7430v4crqj5pyrsd3qj-gzip-1.10/bin/gzip
--8<---------------cut here---------------end--------------->8---


find /gnu -name '*gzip'|grep gzip-1.10|xargs file  # (manually wrapped after gzip: and before /gnu)
--8<---------------cut here---------------start------------->8---
/gnu/store/i2cdl0hvrml8hjdqplqln8didnvxkgp5-gzip-1.10/bin/gzip:
    ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter
    /gnu/store/ahqgl4h89xqj695lgqvsaf6zh2nhy4pj-glibc-2.29/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped
/gnu/store/py3k9zla9fj3z7430v4crqj5pyrsd3qj-gzip-1.10/bin/gzip:
    ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter
    /gnu/store/ahqgl4h89xqj695lgqvsaf6zh2nhy4pj-glibc-2.29/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped
--8<---------------cut here---------------end--------------->8---

find /gnu -name '*gzip'|grep gzip-1.10|xargs stat
--8<---------------cut here---------------start------------->8---
  File: /gnu/store/i2cdl0hvrml8hjdqplqln8didnvxkgp5-gzip-1.10/bin/gzip
  Size: 95928           Blocks: 192        IO Block: 4096   regular file
Device: 10304h/66308d   Inode: 1966255     Links: 3
Access: (0555/-r-xr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2019-11-23 19:48:56.570075367 -0800
Modify: 1969-12-31 16:00:01.000000000 -0800
Change: 2019-10-08 18:17:58.417674370 -0700
 Birth: -
  File: /gnu/store/py3k9zla9fj3z7430v4crqj5pyrsd3qj-gzip-1.10/bin/gzip
  Size: 95928           Blocks: 192        IO Block: 4096   regular file
Device: 10304h/66308d   Inode: 1966255     Links: 3
Access: (0555/-r-xr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2019-11-23 19:48:56.570075367 -0800
Modify: 1969-12-31 16:00:01.000000000 -0800
Change: 2019-10-08 18:17:58.417674370 -0700
 Birth: -
--8<---------------cut here---------------end--------------->8---

-- 
Regards,
Bengt Richter

  reply	other threads:[~2019-11-24  5:49 UTC|newest]

Thread overview: 73+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-23 16:37 Profiles/manifests-related command line interface enhancements Pierre Neidhardt
2019-10-24  9:00 ` Mark H Weaver
2019-10-24  9:32   ` Pierre Neidhardt
2019-10-24 16:28     ` Pierre Neidhardt
2019-10-24 16:42     ` Danny Milosavljevic
2019-10-24 18:16       ` Pierre Neidhardt
2019-10-24 19:23         ` Mark H Weaver
2019-10-24 20:04           ` Pierre Neidhardt
2019-10-24 21:35             ` Mark H Weaver
2019-10-25  9:29               ` Pierre Neidhardt
2019-10-31 11:38                 ` Pierre Neidhardt
2019-11-03 14:18 ` Ludovic Courtès
2019-11-04 10:39   ` Pierre Neidhardt
2019-11-04 11:06     ` zimoun
2019-11-05  6:26     ` Konrad Hinsen
2019-11-05  8:35       ` Hartmut Goebel
2019-11-05  9:03         ` Konrad Hinsen
2019-11-05  9:09           ` Hartmut Goebel
2019-11-05  9:22             ` Pierre Neidhardt
2019-11-05 15:36       ` zimoun
2019-11-05 16:05         ` Konrad Hinsen
2019-11-06 12:09           ` zimoun
2019-11-07 13:07             ` Konrad Hinsen
2019-11-06 17:07           ` Ludovic Courtès
2019-11-06 22:21             ` Bengt Richter
2019-11-07 13:52             ` Konrad Hinsen
2019-11-06 16:35       ` Ludovic Courtès
2019-11-07  7:46         ` Konrad Hinsen
2019-11-07  9:04           ` Pierre Neidhardt
2019-11-07 11:14             ` Konrad Hinsen
2019-11-07 11:36               ` Pierre Neidhardt
2019-11-09 17:59               ` Ludovic Courtès
2019-11-10  9:36                 ` Konrad Hinsen
2019-11-11 15:56                   ` A better XML, config is code (was Re: Profiles/manifests-related command line...) Giovanni Biscuolo
2019-11-13 15:28                     ` Konrad Hinsen
2019-11-12  8:55                   ` Profiles/manifests-related command line interface enhancements Andy Wingo
2019-11-12 20:07                     ` Konrad Hinsen
2019-11-13 20:58                     ` Bengt Richter
2019-11-16 22:02                   ` Ludovic Courtès
2019-11-17 10:44                     ` Konrad Hinsen
2019-11-18 14:25                       ` zimoun
2019-11-19 10:24                         ` Konrad Hinsen
2019-11-23 17:10                       ` Ludovic Courtès
2019-11-25 11:06                         ` Konrad Hinsen
2019-11-26  9:51                           ` On DSLs Ludovic Courtès
2019-12-02 19:05                             ` zimoun
2019-12-02 19:11                               ` Julien Lepiller
2019-12-03 10:19                                 ` Konrad Hinsen
2019-12-03 14:12                                   ` Ricardo Wurmus
2019-12-03 15:46                                     ` zimoun
2019-12-04  6:33                                     ` Bengt Richter
2019-12-10 16:26                                 ` Ludovic Courtès
2019-12-08  8:48                               ` Konrad Hinsen
2019-12-03 10:26                             ` Konrad Hinsen
2019-12-03 12:00                               ` zimoun
2019-11-11 14:13           ` Profiles/manifests-related command line interface enhancements Hartmut Goebel
2019-11-16 22:27           ` Ludovic Courtès
2019-11-17 11:30             ` Konrad Hinsen
2019-11-18 14:40               ` zimoun
2019-12-22 19:40               ` Andreas Enge
2019-12-22 20:39                 ` Pjotr Prins
2019-11-18 14:15             ` zimoun
2019-11-26  9:36               ` Ludovic Courtès
2019-11-06 16:42     ` Ludovic Courtès
2019-11-07 12:57       ` zimoun
2019-11-17 10:35         ` Package inputs in manifests Ludovic Courtès
2019-11-17 23:11           ` Bengt Richter
2019-11-18 17:14             ` zimoun
2019-11-23 14:05             ` Ludovic Courtès
2019-11-24  5:49               ` Bengt Richter [this message]
2019-11-24  7:17                 ` Timothy Sample
2019-11-25  3:42                   ` Bengt Richter
2019-11-18 16:18           ` zimoun

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