[Nix-dev] Re: nix-dev Digest, Vol 45, Issue 4

[Chi-Jung Huang]

>On Tue, Mar 03, 2009 at 03:20:41PM -0800, Chi-Jung Huang wrote:
> Hi All,
> 
> I am a newbie using nix. Just got nix install on my Window XP running cygwin. Everything seems to be fine until when I started to run nix-channel update and the following message occurs:
> ============================================================
> $ nix-channel --update
> obtaining list of Nix archives at `http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable/MANIFEST.bz2'...
> 
> 6079 store paths in manifest
> obtaining list of Nix archives at `http://buildfarm.st.ewi.tudelft.nl/releases/meta-environment/channels-v3/aterm-unstab
> le/MANIFEST'...
> ######################################################################## 100.0%
> 565 store paths in manifest
> downloading Nix expressions from `http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable/nixexprs.tar.bz2'...
> 
> downloading Nix expressions from `http://buildfarm.st.ewi.tudelft.nl/releases/meta-environment/channels-v3/aterm-unstabl
> e/nixexprs.tar.bz2'...
> ######################################################################## 100.0%
> unpacking channel Nix expressions...
> the following derivations will be built:
>   /nix/store/gmlh0w60jygbxfgqrz8535wkyijpw91d-channels.drv
> building path(s) `/nix/store/gwkjfqyi50afy1y2wc37b2akvsfwj0jy-channels'
> unpacking channel nixpkgs-unstable
> /usr/bin/tar: This does not look like a tar archive
> /usr/bin/tar: Exiting with failure status due to previous errors
> builder for `/nix/store/gmlh0w60jygbxfgqrz8535wkyijpw91d-channels.drv' failed with exit code 2
> error: build of `/nix/store/gmlh0w60jygbxfgqrz8535wkyijpw91d-channels.drv' failed
> cannot realise store expression at /usr/local/bin/nix-channel line 135.
> $

>Can you try downloading
>http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable/nixexprs.tar.bz2
>manually, then try /usr/bin/tar xfj nixexprs.tar.bz2 ?
>Also make sure you've installed bunzip2 (Don't think that this causes
>this error. tar does tell you if it can't find bzip2 normally)
>
>untarring the file works fine here.
>
>Are you interested in using nix on cygwin frequently?
>i've started writing a cygwin package once but I did never finish it. It
>would be nice to have one for bootstrapping reasons. If you're
>interested I can send you my initial attempt.

>Sinclery
>Marc Weber

Hi Marc,

Thanks for your help. Un-tarring the files works for me. But executing the command "nix-channel --update"" still does the same thing.

Let me backtrack a bit for my problem. All I want to do is to install "aterm" for better display quality. And from what I read I only need to do the following steps:

$ nix-channel --add http://buildfarm.st.ewi.tudelft.nl/releases/meta-environment/channels-v3/aterm-unstable
$ nix-channel --update
$ nix-env -i aterm

I am having the same problem at the sencond step. Can I bypass it and directly go on to install step?

As for whether I will be using nix regularly. Sure, if the occasion arises. I am now mostly using Cygwin setup program
and directly install from the Internet. I am a light unix user and do most work on Window Desktop (firmware programming)...
and that's why cygwin works so good for me.. cause I can have the bash running side by side with window
application.

Thanks again. CJ


      
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