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If you want to use pidgin with the OTR plugin, you will find out, that installing the plugin with
Pidgin is a multi-protocol messaging client.
<code>nix-env -iA nixos.pidginotr</code>
does not work. The plugin doesn't appear in the plugin list.
To use it, you need to make a [https://nixos.org/nixpkgs/manual/#sec-modify-via-packageOverrides packageOverride].
There are two ways to do it.


== User local change ==
[https://pidgin.im/ Pidgin] is available in NixOS, as are many popular plugins such as pidgin-otr.
To make a change that only affects the current user, do this:


1. Put this into <code>~/.config/nixpkgs/config.nix</code>:
==Installing plugins==
<syntaxhighlight lang=nix>
NixOS provides Pidgin plugins as packages such as <tt>pidginotr</tt>, but installing them via <tt>nix-env</tt> or <tt>environment.systemPackages</tt> will not work. The plugin packages must be configured as part of the <tt>pidgin-with-plugins</tt> package via a package override.
{
 
===User-scope installation===
To install Pidgin with desired plugins only for the current user:
 
# In <code>~/.config/nixpkgs/config.nix</code>, add: <syntaxhighlight lang=nix>{
  ...
   packageOverrides = pkgs: rec {
   packageOverrides = pkgs: rec {
  pidgin-with-plugins = pkgs.pidgin-with-plugins.override {
    pidgin-with-plugins = pkgs.pidgin.override {
        plugins = [ pkgs.pidginotr ];};
      ## Add whatever plugins are desired (see nixos.org package listing).
      plugins = [ pkgs.pidgin-otr ];
    };
   };
   };
}
  ...
</syntaxhighlight>
}</syntaxhighlight>
 
# Install pidgin with <code>nix-env -iA nixos.pidgin-with-plugins</code>
2. Install pidgin with <code>nix-env -iA nixos.pidgin-with-plugins</code>.


== System wide change ==
===System-scope installation===
This solution fixes it for all users.
To install Pidgin with desired plugins for all users on the system:


1. extend systemPackages with the pidgin-with-plugins software:
# Amend <tt>/etc/nixos/configuration.nix</tt> to add <tt>pidgin-with-plugins</tt> to <tt>systemPackages</tt>: <syntaxhighlight lang=nix>{
<syntaxhighlight lang=nix>
  ...
environment.systemPackages = with pkgs; [
  environment.systemPackages = with pkgs; [
  pidgin-with-plugins
    pidgin-with-plugins
];
  ];
</syntaxhighlight>
  ...
 
}</syntaxhighlight>
2. afterwards you need to override the plugins directive with pidginotr like this:
# Override <tt>pidgin-with-plugins</tt> to add the desired plugins: <syntaxhighlight lang=nix>{
<syntaxhighlight lang=nix>
  ...
nixpkgs.config = {
  nixpkgs.config = {
  allowUnfree = true;
    allowUnfree = true;
  packageOverrides = pkgs: with pkgs; {
    packageOverrides = pkgs: with pkgs; {
    pidgin-with-plugins = pkgs.pidgin-with-plugins.override {
      pidgin-with-plugins = pkgs.pidgin.override {
      plugins = [ pidginotr ];
        ## Add whatever plugins are desired (see nixos.org package listing).
        plugins = [ pidgin-otr ];
      };
     };
     };
   };
   };
};
  ...
</syntaxhighlight>
}</syntaxhighlight>
 
# Run <tt>nixos-rebuild switch</tt> as root to apply changes.
<b>Note:</b> In order to affect your system by your nix-language-specific changes you have to evaluate it, run (as root):
<code>nixos-rebuild switch</code>
 
 
 
 
 


[[Category:Guide]]
[[Category:Applications]]
Retrieved from "https://wiki.nixos.org/wiki/Pidgin"