From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pierre Langlois <pierre.langlois@gmx.com>
Subject: Re: building from local (or private) git repository
Date: Mon, 08 Jul 2019 17:13:38 +0100
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Hi Robert,

Robert Vollmert writes:

> Hi all,
>
> I realize this isn=E2=80=99t generally an aim for guix proper, but I=E2=
=80=99d like
> to be able to build a package from a local git repository (or
> optionally from a local tar ball). In my specific case, it=E2=80=99s while
> working out the packaging of a project I intend to publish but
> haven=E2=80=99t published yet.
>
> What I have working so far uses local-file, as below:
>
> (define-public puzzledb-tools
>   (package
>     (name "puzzledb-tools")
>     (version "20190625-git")
>     (source
>       (local-file
>         "/home/rob/puzzledb/tools"
>         #:recursive? #t))
>   =E2=80=A6
>
> That=E2=80=99s a bit annoying because it includes stale files that happen
> to be in the directory, it doesn=E2=80=99t check the hash, etc. Using a
> git origin with a local path doesn=E2=80=99t work for reasons I don=E2=80=
=99t
> completely understand =E2=80=94 I think it=E2=80=99s because the guix-dae=
mon builds
> in a namespace without access to the local filesystem. Perhaps there=E2=
=80=99s
> a way to link the git repository into that namespace?
>
> Any hints appreciated!

If you're running the Guix system, you can setup a local git daemon that
serves your user's repos. Here's what I have in my config:

```
(git-daemon-service
  #:config (git-daemon-configuration
             (export-all? #t)
             (user-path ""))) ;; To allow access to '~rob/puzzledb/tools'
```

And then I /think/ you should be able to do something like:

```
(origin
  (method git-fetch)
  (uri (git-reference
        (url "git://localhost/~rob/puzzledb/tools")
        (commit "<hash>")))
  (sha256
   (base32
    "<hash>")))
```

Note that's off the top of my head, I personally use this publish
channels in my local network rather than package sources, but I can't
think why this wouldn't work too!

Pierre