[Nix-dev] Problem with builder #1 - nix-shell and nix-build behave differently

[Luca Bruno]

Because you are only looking at your use case. Many use cases involve
having already an src and using nix-shell for getting in the dev
environment.

On Sat, May 16, 2015 at 6:56 PM, Daniel Hlynskyi <abcz2.uprola at gmail.com>
wrote:

> Why not? unpackPhase unpacks to current dir, why can't it switch to
> $sourceRoot?
> If I understand nix-shell right, it would be then possible to
>
> nix-shell --command "unpackPhase; configurePhase; buildPhase;"
>
> as kind of alias to nix-build. Currently you are required to cd as
> mentioned in wiki [https://nixos.org/wiki/Debugging_a_Nix_Package]
>
> As Tomasz Kontusz mentioned, the cd $sourceRoot is done between phases,
> which is unexpectable to me.
>
> 2015-05-14 14:10 GMT+00:00 Luca Bruno <lethalman88 at gmail.com>:
>
>> On 14/05/2015 15:58, Daniel Hlynskyi wrote:
>> > Then how does nix-build handle this? Is there some special hook "cd
>> > $sourceRoot" after unpackPhase? Why this hook is not added to nix-shell?
>> >
>> Because you may be in a different directory where nix-shell can cd
>> $sourceRoot? Those unpack & cd just don't apply to nix-shell.
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>
>


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