[Nix-dev] nix-shell enhancements

[Joachim Schiele]

i've changed my nix-shell a bit, so here is the new magic:
   https://github.com/qknight/nix-ray/blob/master/nix-shell

here is how it looks:
   https://github.com/qknight/nix-ray/blob/master/linux-adaption-slide2.jpeg

On 07/27/2013 12:56 AM, Joachim Schiele wrote:
> hi eelco,
>
> cillian and i have been designing nix-ray, see
>     https://github.com/qknight/nix-ray/blob/master/userstory.org
>
> but some important features were not available from the python shell like:
>    - a list of defined phase
>    - functions like genericBuild/configurePhase/... recognized via
> 'typeset -f genericBuild'
>
> so in order to have them in nix-fuse i hacked nix-shell (nix-build
> actually). please have a look at:
>     https://github.com/qknight/nix-ray/blob/master/nix-shell
>     line 199 to 257 where i made several changes.
>
> the new nix-shell looks like:
>     https://github.com/qknight/nix-ray/blob/master/linux-adaption-slide1.jpeg
>
> and has the basic functionality for nix-ray included. what is still
> missing: from nix-ray we can't execute the mentioned functions like
> genericBuild/configurePhase since they are not inherited when spawning a
> child shell. i will look into that later, but for now it would be a very
> good enhancement to include the color theme into nix-shell.
>
> hope you like it ;-)
>
> please feel free to fix the sed hack
>                 PHASES_ALL=$(typeset -f genericBuild | grep 'phases=' |
> sed -e 's/phases=//g' -e 's/"//g' -e 's/;//g' -e 's/\$[a-zA-Z]*//g' -e
> 's/ *$//g' | xargs | sed -e 's/Phase//g')
>
> but i can't think of a better solution right now.
>
> best wishes,
> joachim
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