Re: [PATCH 2/4] emacs: Add 'guix-devel-download-package-source'.

[Ian Denhardt <ian@zenhack.net>]

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Quoting Alex Kost (2015-10-07 13:25:44)
> > What about, instead, providing an interactive function that would
> > prompt
> > for a URL, run ‘guix download’ on that, and emit an ‘origin’ template at
> > point with all the info?
>
> I see several problems here, but the main is: this sounds like it should
> be synchronous: you give an URL, wait until the source is downloaded and
> finally get the template at point.  But downloading can take a VERY long
> time, so I don't think it will be a usable command.

What about just having command line (non-emacs) tool? I'm thinking
something inspired by Archlinux's `makepkg -g`, which downloads the
sources based on the current build script and outputs something that can
just be copied into it. I don't feel I have the full picture re: how
that interacts with the macro's checking, but we could fall back on the
user supplying URLs.

-Ian

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