Hi Ludo,
On +2019-11-23 15:05:49 +0100, Ludovic Courtès wrote:
> Hi,
>
> Bengt Richter <b...@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
