Awesome, that's exactly the info I needed. I added those as dependencies
and now I'm making progress again. Now I'm working through a Ruby issue
"(Gem::RemoteFetcher::FetchError)".
For curious readers, here's how I did that.
### foreman/default.nix ###
{ stdenv, fetchurl, rubygems, gcc, git, libvirt, mysql,
postgresql, openssl, libxml2, sqlite, libxslt, zlib, readline
}:
stdenv.mkDerivation rec {
name = "foreman";
src = fetchurl {
# Tarball link fetched from here:
http://projects.theforeman.org/projects/foreman/files
url = "
http://projects.theforeman.org/attachments/download/642/foreman-1.3.1.tar.bz2
";
sha256 = "0jq48nswwgx7lk79cpdm2zmn40rxf1jjnng63qmam09m4pbypj3r";
};
buildInputs = [ rubygems gcc git libvirt mysql
postgresql openssl libxml2 sqlite libxslt zlib readline ];
...
On Tue, Nov 19, 2013 at 5:17 PM, Oliver Charles <ol...@ocharles.org.uk>wrote:
> On 11/19/2013 09:03 AM, Alex Berg wrote:
> >
> > As part of the Heroku Toolbelt, I need to make a Nix package for
> > Foreman. I am following the instructions to Install from Source [1]. The
> > instructions say that it has many package requirements:
> >
> > gcc-c++ git libvirt-devel mysql-devel pg-devel openssl-devel \
> > libxml2-devel sqlite-devel libxslt-devel zlib-devel
> readline-devel \
> > postgresql-devel
> >
> > Am I right when I say - If I want to package Foreman, I must first
> > package all these dependent packages. ?
>
> I don't know Foreman, but yes - you will need all of those dependencies.
> Note however that these dependencies seem to be specified as Ubuntu
> package names. We don't strip out include files from our packages, so we
> don't have 'devel' versions. Thus a lot of these dependencies we
> probably already have:
>
> gcc-c++ -> gcc
> mysql-devel -> mysql
> pg-devel -> postgresql9*
> sqlite-devel -> sqlite
>
> etc.
>
> I tend to grep in <nixpkgs>/pkgs/top-level/all-packages.nix for the
> start of the expression, find something that looks relevant, add it to
> the expression of whatever I'm packaging, and attempt to nix-build. I
> repeat that process until all dependencies are satisfied
>
> > Related question: Does anyone know how to use the auto-generated Gem
> > packages? I can't find any docs. -
> >
> https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/interpreters/ruby/generated.nix
>
> This really needs better documentation. Most people will tell you to
> read <nixpkgs>/pkgs/development/interpreters/ruby/rubygems.nix, but imo
> that is not good enough.
>
> - ocharles
>
>
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> nix-dev@lists.science.uu.nl
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>
>
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