[bug#47434] [PATCH] Added Go 1.16.2

[Maxim Cournoyer <maxim.cournoyer@gmail.com>]

Hi,

Maxime Devos <maximedevos@telenet.be> writes:

> On Sat, 2021-03-27 at 17:29 +0100, Néfix Estrada wrote:
>> Signed-off-by: Néfix Estrada <nefixestrada@gmail.com>
>> ---
>>  gnu/packages/golang.scm | 27 +++++++++++++++++++++++++++
>>  1 file changed, 27 insertions(+)
>
> A commit message is missing, see ‘16.6 Submitting Patches’ in
> the manual (and there are plenty of examples in "git log").
>
> There have been a few patches lately by new
> contributers without commit messages; is this section of the
> manual hard to find?  Is there some location where we could
> prominently feature a link to the section?
>
> Also, ‘we’ don't use ‘Signed-off-by’ like that.  From ‘16.8 Commit Access’:
>
>    When pushing a commit on behalf of somebody else, please add a
> ‘Signed-off-by’ line at the end of the commit log message—e.g., with
> ‘git am --signoff’.  This improves tracking of who did what.
>
> Thus, it is up to committers to add a line like that.  Perhaps a system
> like the Linux kernel project uses could be useful in the future,
> but I don't think ‘we’ are at that point yet
>
>> diff --git a/gnu/packages/golang.scm b/gnu/packages/golang.scm
>> index d9988cd7ad..df17955c93 100644
>> --- a/gnu/packages/golang.scm
>> +++ b/gnu/packages/golang.scm
>> @@ -25,6 +25,7 @@
>>  ;;; Copyright © 2020 Martin Becze <mjbecze@riseup.net>
>>  ;;; Copyright © 2021 Ricardo Wurmus <rekado@elephly.net>
>>  ;;; Copyright © 2021 Guillaume Le Vaillant <glv@posteo.net>
>> +;;; Copyright © 2021 Néfix Estrada <nefixestrada@gmail.com>
>>  ;;;
>>  ;;; This file is part of GNU Guix.
>>  ;;;
>> @@ -440,6 +441,32 @@ in the style of communicating sequential processes (@dfn{CSP}).")
>>         ,@(package-native-inputs go-1.4)))
>>      (supported-systems %supported-systems)))
>>  
>> +(define-public go-1.16
>> +  (package
>> +    (inherit go-1.14)
>> +    [...]
>
>> +    (arguments
>> +     (substitute-keyword-arguments (package-arguments go-1.14)
>> +       ((#:phases phases)
>> +        `(modify-phases ,phases
>
> This part looks good to me.
>
>> +	   (add-after 'prebuild 'prebuild-1-16
>> +	     (lambda* (#:key inputs #:allow-other-keys)
>> +	       (let* ((gcclib (string-append (assoc-ref inputs "gcc:lib") "/lib")))
>> +		 (substitute* "cmd/go/testdata/script/link_syso_issue33139.txt"
>> +		   (("\\[\\!cgo\\] skip")
>> +		    "[!exec:cc] skip")))))))))))
>> +
>
> What's this 'prebuild-1-16' phase for?  Please add a comment explaining!
> And what's (let* ((gcclib ...) ...) doing there if gcclib isn't used afterwards?
>
>>  (define-public go go-1.14)
>
> Something to consider for people who know the go situation in guix:
> could this be replaced with (define-public go go-1.16) after this patch?
> (And go-1.14 deleted as there are no uses of it anymore.)
> The output of "guix refresh --list-dependent go" is:
>
> Building the following 125 packages would ensure 440 dependent packages are rebuilt:
> [...]
>
> so this shouldn't cause a world-rebuild (note go packages are (reportedly)
> cheap to build).  But perhaps there are API incompatibilities between 1.16 and
> 1.14? idk.

Go 1.16 does break some go packages.  I have a similar patch locally but
I haven't pushed it yet because I was pursuing the different failures it
causes.

Maxim