[bug#46234] [PATCH] Add new gopkg.in/yaml.v3

[Xinglu Chen <public@yoctocell.xyz>]

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On Mon, Feb 01 2021, Sharlatan Hellseher wrote:

> +(define-public go-gopkg-in-yaml-v3
> +  (package
> +    (name "go-gopkg-in-yaml-v3")
> +    (version "3")
> +    (source
> +      (origin
> +        (method git-fetch)
> +        (uri (git-reference
> +               (url "https://gopkg.in/yaml.v3.git")
> +               (commit (string-append "v" version))))
> +        (file-name (git-file-name name version))
> +        (sha256
> +         (base32 "06f4lnrp494wqaygv09dggr2dwf3z2bawqhnlnnwiamg5y787k4g"))))
> +    (build-system go-build-system)
> +    (arguments
> +     '(#:import-path "gopkg.in/yaml.v3"))
> +    (native-inputs
> +     `(("go-gopkg-in-check-v1" ,go-gopkg-in-check-v1)))
> +    (home-page "https://gopkg.in/yaml.v2")
                                         ^^
Shouldn’t this be “https://gopkg.in/yaml.v3”?

> +    (synopsis "YAML reader and writer for the Go language")
> +    (description
> +     "This package provides a Go library for encode and decode YAML
> +values.
> +
> +v3 specification difference:
> +@itemize
> +@item YAML 1.1 bools (yes/no, on/off) are supported as long as they are
> +being decoded into a typed bool value.  Otherwise they behave as a string.
> +Booleans in YAML 1.2 are true/false only.
> +
> +@item Octals encode and decode as 0777 per YAML 1.1, rather than 0o777 as
> +specified in YAML 1.2, because most parsers still use the old format.  Octals in
> +the 0o777 format are supported though, so new files work.
> +
> +@item Does not support base-60 floats.  These are gone from YAML 1.2, and were
> +actually never supported by this package as it's clearly a poor choice.
> +@end itemize\n")
> +
> +@end itemize\n")

Duplicate lines/syntax error.  I don’t think \n is needed either.

Otherwise, LGTM.

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