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Re: guix hash of source from git repository.
From: |
ng0 |
Subject: |
Re: guix hash of source from git repository. |
Date: |
Tue, 21 Feb 2017 21:56:29 +0000 |
On 17-02-21 22:25:35, Catonano wrote:
> Hi Dmitry,
>
> 2017-02-21 22:19 GMT+01:00 Dmitry Nikolaev <address@hidden>:
>
> > When writing package definition, what if I download sources from git
> > repository? For example:
> >
> > (define-public libwebsockets
> > (package
> > (name "libwebsockets")
> > (version "1.3")
> > (source (origin
> > ;; The project does not publish tarballs, so we have to take
> > ;; things from Git.
> > (method git-fetch)
> > (uri (git-reference
> > (url "git://git.libwebsockets.org/libwebsockets")
> > (commit (string-append "v" version
> > "-chrome37-firefox30"))))
> > (sha256
> > (base32
> > "12fqh2d2098mgf0ls19p9lzibpsqhv7mc5rn1yvrbfnazmcr40g4"))
> > (file-name (string-append name "-" version))))
> > ...
> >
> > How do I calculate this 12fqh2d...?
> >
> > Dmitry Nikolaev
> >
>
> You clone the git repository locally, then you use 'guix hash' as explained
> in this page of the manual (the option you want to use is "--recursive")
>
> https://www.gnu.org/software/guix/manual/html_node/Invoking-guix-hash.html
Please avoid doing the way described below though. Calculating it in
advance is more secure and helps to prevent introducing errors. If
there's a mismatch it shows an error.
> Another option is to try to build the package with the wrong hash, wait for
> the error message and copy the right hash from within the error message
> itself. Lame, but hey
>
> Hope this helps !
>
> Ciao