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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Building from a local source code checkout
Date: Thu, 21 Dec 2017 15:38:46 +0100
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In-Reply-To: <87ea6ca7-4dc9-a11b-0ea3-d6f8d3d66b31@uni-bremen.de> (Martin
	Castillo's message of "Thu, 21 Dec 2017 12:20:43 +0100")
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To: Martin Castillo <castilma@uni-bremen.de>
Cc: guix-devel@gnu.org

Hi,

Martin Castillo <castilma@uni-bremen.de> skribis:

>> Oops, you are right! So
>>=20
>>    guix build python-activepapers --with-source=3D$HOME/Development/pyth=
on-activepapers/
>>=20
>> actually works, but
>>=20
>>    guix build python-activepapers --with-source=3D$HOME/Development/pyth=
on-activepapers
>>=20
> As one error message earlier in the thread stated, guix uses lstat to
> get info about the stated file. lstat doesn't follow symlinks. You force
> the dereference by appending the slash.

Indeed.

I agree the matching-name constraint can be annoying.  The alternative
would be allow the user to (optionally?) specify the name of the package
whose source is being changed, as in:

  guix build python-activepapers \
    --with-source=3Dpython-activepapers=3D$HOME/Dev/AP

WDYT?

A bit heavyweight syntactically but maybe we have to live with it.

Ludo=E2=80=99.