[Nix-dev] Best way to install nix packages from github repo

[zimbatm]

Or if you just want to install one package into your profile, clone nixpkgs
and then run `nix-env -f . -iA something` where "something" is the
attribute path of the package.

On Sat, 25 Jun 2016 at 12:01 Profpatsch <mail at profpatsch.de> wrote:

> On 16-06-25 12:25pm, Kelong Cong wrote:
> > Hi Nix devs,
> >
> > If I see a package I want in the nixpkgs GitHub repo but it is not
> > released yet, what's the best way to install it along side my current
> > nix packages? I suppose you could download the .nix file, but is there a
> > better way?
>
> you can import a special nixpkgs with fetchFromGitHub
>
> (untested)
> let
>   master-nixpgks = import (fetchFromGitHub {
>     owner = "nixos";
>     repo = "nixpkgs";
>     revision = "some git sha";
>     sha256 = "…";
>   }) {};
>
> >
> > Furthermore, are there ways to keep it up to date? i.e. following the
> > master branch for a particular package.
>
> Here you need to follow a channel. That is add the master channel
> (not shure where to find it?!).
>
> nix-channel --add <path-to-master-channel> nixpkgs-master
>
> and then
> let
>   master-nixpkgs = import <nixpkgs-master> {};
>
> alternatively you check out the repo, pull, and build with
>
> nix-build -I nixpkgs-master=/master/checkout …
>
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