* perl-getopt-long version string contains a letter
@ 2019-03-04 16:54 Ricardo Wurmus
2019-03-04 18:31 ` Efraim Flashner
0 siblings, 1 reply; 3+ messages in thread
From: Ricardo Wurmus @ 2019-03-04 16:54 UTC (permalink / raw)
To: guix-devel
Hi Guix,
perl-getopt-long has a version string "v2.49.1". If we change this to
"2.49.1", will installed packages not be upgraded? What can be done in
this case?
--
Ricardo
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: perl-getopt-long version string contains a letter
2019-03-04 16:54 perl-getopt-long version string contains a letter Ricardo Wurmus
@ 2019-03-04 18:31 ` Efraim Flashner
2019-03-06 15:56 ` Ludovic Courtès
0 siblings, 1 reply; 3+ messages in thread
From: Efraim Flashner @ 2019-03-04 18:31 UTC (permalink / raw)
To: Ricardo Wurmus; +Cc: guix-devel
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On Mon, Mar 04, 2019 at 05:54:38PM +0100, Ricardo Wurmus wrote:
> Hi Guix,
>
> perl-getopt-long has a version string "v2.49.1". If we change this to
> "2.49.1", will installed packages not be upgraded? What can be done in
> this case?
>
As I've wrapped my head around it, Guix doesn't believe in "upgrades"
and "downgrades", just in changes in dependencies. So if the version
string loses the leading "v" I suppose ASCIIbetically v2.49.1 is a
higher value than 2.49.1, but Guix just sees that before it was v2.49.1
and now it's 2.50 so it's time for a change in installed files.
Just like if you never run 'guix pull' on a new system it'll continue
downgrading overtime.
--
Efraim Flashner <efraim@flashner.co.il> אפרים פלשנר
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: perl-getopt-long version string contains a letter
2019-03-04 18:31 ` Efraim Flashner
@ 2019-03-06 15:56 ` Ludovic Courtès
0 siblings, 0 replies; 3+ messages in thread
From: Ludovic Courtès @ 2019-03-06 15:56 UTC (permalink / raw)
To: Efraim Flashner; +Cc: guix-devel
Hello,
Efraim Flashner <efraim@flashner.co.il> skribis:
> On Mon, Mar 04, 2019 at 05:54:38PM +0100, Ricardo Wurmus wrote:
>> Hi Guix,
>>
>> perl-getopt-long has a version string "v2.49.1". If we change this to
>> "2.49.1", will installed packages not be upgraded? What can be done in
>> this case?
>>
>
> As I've wrapped my head around it, Guix doesn't believe in "upgrades"
> and "downgrades", just in changes in dependencies. So if the version
> string loses the leading "v" I suppose ASCIIbetically v2.49.1 is a
> higher value than 2.49.1,
Indeed:
--8<---------------cut here---------------start------------->8---
scheme@(guile-user)> (version>? "v2.49.1" "2.49.1")
$21 = #t
--8<---------------cut here---------------end--------------->8---
Perhaps what could be done is to deprecate the package with “v2.49.1”,
like so:
(define-public x
(package
;; …
(version "2.49.1")))
(define w/wrong-version
(package
(inherit x)
(version "v2.49.1") ;wrong version string
(properties `((superseded . ,x)))))
That should cause upgrades from the wrong version to the new one, even
if the new one is not ‘version>?’.
Thoughts?
Ludo’.
^ permalink raw reply [flat|nested] 3+ messages in thread
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