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* bug#43585: Order in manifest and command-line differs
@ 2020-09-23 23:38 zimoun
  2020-09-24 13:08 ` Mathieu Othacehe
  0 siblings, 1 reply; 5+ messages in thread
From: zimoun @ 2020-09-23 23:38 UTC (permalink / raw)
  To: 43585

Dear,

It is probably more a feature than a bug (and it is expected, I guess).
However, it can be misleading.  For example,

--8<---------------cut here---------------start------------->8---
$ guix package -i busybox diffutils -p /tmp/foo
$ ls -l /tmp/foo/bin
[..]
 df -> /gnu/store/…-busybox-1.31.1/bin/df
 diff -> /gnu/store/…-diffutils-3.7/bin/diff
 diff3 -> /gnu/store/…-diffutils-3.7/bin/diff3
 dirname -> /gnu/store/…-busybox-1.31.1/bin/dirname
[..]
--8<---------------cut here---------------end--------------->8---

And the same result is obtained with the manifest.scm file:

--8<---------------cut here---------------start------------->8---
(specifications->manifest '("diffutils" "busybox"))
--8<---------------cut here---------------end--------------->8---


This difference could be counter-intuitive.  One of the two lists should
be internally reverse’d.  WDYT?


(Even if it is a corner-case, 2 packages providing the same tool, but it
matters for <profile>/manifest.)

All the best,
simon





^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#43585: Order in manifest and command-line differs
  2020-09-23 23:38 bug#43585: Order in manifest and command-line differs zimoun
@ 2020-09-24 13:08 ` Mathieu Othacehe
  2020-09-24 14:08   ` zimoun
  0 siblings, 1 reply; 5+ messages in thread
From: Mathieu Othacehe @ 2020-09-24 13:08 UTC (permalink / raw)
  To: zimoun; +Cc: 43585


Hello zimoun,

> $ guix package -i busybox diffutils -p /tmp/foo
> $ ls -l /tmp/foo/bin
> [..]
>  df -> /gnu/store/…-busybox-1.31.1/bin/df
>  diff -> /gnu/store/…-diffutils-3.7/bin/diff
>  diff3 -> /gnu/store/…-diffutils-3.7/bin/diff3
>  dirname -> /gnu/store/…-busybox-1.31.1/bin/dirname
> [..]

The order of what appears in "bin" depends on both the name of the
binaries provided by both packages and also how the "ls" command decides
to sort its output. I'm not sure that much can be done here.

Thanks,

Mathieu




^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#43585: Order in manifest and command-line differs
  2020-09-24 13:08 ` Mathieu Othacehe
@ 2020-09-24 14:08   ` zimoun
  2020-09-25 11:54     ` Mathieu Othacehe
  0 siblings, 1 reply; 5+ messages in thread
From: zimoun @ 2020-09-24 14:08 UTC (permalink / raw)
  To: Mathieu Othacehe; +Cc: 43585

Hi Mathieu,

On Thu, 24 Sep 2020 at 15:08, Mathieu Othacehe <othacehe@gnu.org> wrote:

> The order of what appears in "bin" depends on both the name of the
> binaries provided by both packages and also how the "ls" command decides
> to sort its output. I'm not sure that much can be done here.

I have badly worded.  The point is that "diffutils" and "busybox"
provide both the 'diff' binary.  Therefore, depending on the order,
'diff' is provided by one or the other.  Compare:

    guix package -i busybox diffutils -p /tmp/busybox-diffutils
   /tmp/busybox-diffutils/bin/diff

and

    guix package -i diffutils busybox -p /tmp/diffutils-busybox
   /tmp/diffutils-busybox/bin/diff

In the same time, compare the manifest.scm files:

--8<---------------cut here---------------start------------->8---
  ;;; busybox-diffutils.scm
  (specifications->manifest '("busybox" "diffutils"))

  ;;; diffutils-busybox.scm
  (specifications->manifest '("diffutils" "busybox"))
--8<---------------cut here---------------end--------------->8---

then

    guix package -m busybox-diffutils.scm -p /tmp/busybox-diffutils-m
   /tmp/busybox-diffutils-m/bin/diff

and

    guix package -m diffutils-busybox.scm -p /tmp/diffutils-busybox-m
   /tmp/diffutils-busybox-m/bin/diff


Concretely, "guix package" processes command-line arguments from right
to left.  And the manifest.scm file read the list in order (so from
left to right).

All the best,
simon

PS:
For another example not related:

$ guix package --show=diffutils --show=busybox | recsel -C -p name
name: busybox
name: diffutils

and  "guix show" corrects that, processing from left to right.

$ guix show diffutils busybox | recsel -C -p name
name: diffutils
name: busybox




^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#43585: Order in manifest and command-line differs
  2020-09-24 14:08   ` zimoun
@ 2020-09-25 11:54     ` Mathieu Othacehe
  2021-03-31 13:13       ` zimoun
  0 siblings, 1 reply; 5+ messages in thread
From: Mathieu Othacehe @ 2020-09-25 11:54 UTC (permalink / raw)
  To: zimoun; +Cc: 43585


Hey zimoun,

Oh I see, thanks for explaining!

It would be nice if the `guix package -i` command could also operate
from left to right then.  Would you like to give it a try?

Thanks,

Mathieu
-- 
https://othacehe.org




^ permalink raw reply	[flat|nested] 5+ messages in thread

* bug#43585: Order in manifest and command-line differs
  2020-09-25 11:54     ` Mathieu Othacehe
@ 2021-03-31 13:13       ` zimoun
  0 siblings, 0 replies; 5+ messages in thread
From: zimoun @ 2021-03-31 13:13 UTC (permalink / raw)
  To: Mathieu Othacehe; +Cc: 43585

Hi,

On Fri, 25 Sep 2020 at 13:54, Mathieu Othacehe <othacehe@gnu.org> wrote:

> It would be nice if the `guix package -i` command could also operate
> from left to right then.  Would you like to give it a try?

I will not do.  I am not interested any more.  Closing?

Cheers,
simon




^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2021-06-09 19:15 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-09-23 23:38 bug#43585: Order in manifest and command-line differs zimoun
2020-09-24 13:08 ` Mathieu Othacehe
2020-09-24 14:08   ` zimoun
2020-09-25 11:54     ` Mathieu Othacehe
2021-03-31 13:13       ` zimoun

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