GNU bug report logs - #40377
guix build --with-commit is broken

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#40377: closed (guix build --with-commit is broken)
Date: Thu, 02 Apr 2020 21:19:02 +0000

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Your message dated Thu, 02 Apr 2020 23:17:51 +0200
with message-id <87a73tmvsw.fsf <at> gnu.org>
and subject line Re: bug#40377: guix build --with-commit is broken
has caused the debbugs.gnu.org bug report #40377,
regarding guix build --with-commit is broken
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Brice Waegeneire <brice <at> waegenei.re>
To: bug-guix <at> gnu.org
Subject: guix build --with-commit is broken
Date: Wed, 01 Apr 2020 17:41:20 +0000

Hello,

`--with-commit' from `guix build' doesn't always work. It seems to not
really update the checkout contrary to what is reported since changing 
the
`git-url`, by adding a slash for example, put it back on track. It makes 
it
useless when trying out to build a newly released version. Following are
some examples:

$ guix build mlt
/gnu/store/m6y21nnyg6p0kcxbfj7k1dnbwbsbj006-mlt-6.18.0
$ guix build mlt --with-commit=mlt=v6.18.0
updating checkout of 'https://github.com/mltframework/mlt.git'...
guix build: error: Git failure while fetching 
https://github.com/mltframework/mlt.git: the requested type does not 
match the type in the ODB
$ guix build mlt --with-commit=mlt=v6.18.0 
--with-git-url=mlt=https://github.com/mltframework/mlt.git/
updating checkout of 'https://github.com/mltframework/mlt.git/'...
retrieved commit 46a226217d8ec5bbf66a4fa3da138fd6924dd13b
The following derivations will be built:
   /gnu/store/ljlj1dwkdfb7sziy02hi5scskdjmxv02-mlt-6.18.0.drv
   /gnu/store/02q25aq6mi8287hbakc9v7z0jmq9f6cz-sdl-1.2.15.drv
   /gnu/store/5z3v3w5aslbcsq0ia429n0pkshv6f14x-frei0r-plugins-1.7.
[...]

$ guix build picom --with-commit=picom=v7.5
updating checkout of 'https://github.com/yshui/picom.git'...
retrieved commit 3838f053afb1aa05ba1ab489f2dfaa44c00c9ef0
/gnu/store/q1bl4q1x4wmyps5ibljvj4x3y2nl24la-picom-7.5
$ guix build picom --with-commit=picom=vNext
updating checkout of 'https://github.com/yshui/picom.git'...
guix build: error: Git failure while fetching 
https://github.com/yshui/picom.git: the requested type does not match 
the type in the ODB

I've found out about this issue by reading pelzflorian's suggestion 
about
adding a `--with-version' in [0] and [1], he wrote that a year ago, 
before
support for tags was added to `--with-commit'.

[0]: https://issues.guix.info/issue/35744
[1]: https://lists.gnu.org/archive/html/help-guix/2019-05/msg00093.html

- Brice

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From: Ludovic Courtès <ludo <at> gnu.org>
To: Brice Waegeneire <brice <at> waegenei.re>
Cc: 40377-done <at> debbugs.gnu.org
Subject: Re: bug#40377: guix build --with-commit is broken
Date: Thu, 02 Apr 2020 23:17:51 +0200

Hi,

Brice Waegeneire <brice <at> waegenei.re> skribis:

> $ guix build mlt --with-commit=mlt=v6.18.0
> updating checkout of 'https://github.com/mltframework/mlt.git'...
> guix build: error: Git failure while fetching
> https://github.com/mltframework/mlt.git: the requested type does not
> match the type in the ODB

[...]

> $ guix build picom --with-commit=picom=vNext
> updating checkout of 'https://github.com/yshui/picom.git'...
> guix build: error: Git failure while fetching
> https://github.com/yshui/picom.git: the requested type does not match
> the type in the ODB

Interestingly,

  guix build guile-gcrypt --with-commit=guile-gcrypt=v0.2.0

would work just fine.

This is because the tags in the above examples actually point to a
“commit” object instead of pointing to a “tag” object as in the
guile-gcrypt case.  Weird.

Fixed with commit efa578ecaece67366b4b0e2266de7c2faaa4ae54.

Thanks,
Ludo’.

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