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nixpkgs/nixos/modules/programs/fish.nix
Jakob Gillich ac7e923104 fish: add module to support it as default shell
* Patched fish to load /etc/fish/config.fish if it exists (by default,
  it only loads config relative to itself)
* Added fish-foreign-env package to parse the system environment

closes #5331
2015-12-26 06:25:23 +01:00

115 lines
2.7 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfge = config.environment;
cfg = config.programs.fish;
fishAliases = concatStringsSep "\n" (
mapAttrsFlatten (k: v: "alias ${k} '${v}'") cfg.shellAliases
);
in
{
options = {
programs.fish = {
enable = mkOption {
default = false;
description = ''
Whether to configure fish as an interactive shell.
'';
type = types.bool;
};
shellAliases = mkOption {
default = config.environment.shellAliases;
description = ''
Set of aliases for fish shell. See <option>environment.shellAliases</option>
for an option format description.
'';
type = types.attrs;
};
shellInit = mkOption {
default = "";
description = ''
Shell script code called during fish shell initialisation.
'';
type = types.lines;
};
loginShellInit = mkOption {
default = "";
description = ''
Shell script code called during fish login shell initialisation.
'';
type = types.lines;
};
interactiveShellInit = mkOption {
default = "";
description = ''
Shell script code called during interactive fish shell initialisation.
'';
type = types.lines;
};
promptInit = mkOption {
default = "";
description = ''
Shell script code used to initialise fish prompt.
'';
type = types.lines;
};
};
};
config = mkIf cfg.enable {
environment.etc."fish/foreign-env/shellInit".text = cfge.shellInit;
environment.etc."fish/foreign-env/loginShellInit".text = cfge.loginShellInit;
environment.etc."fish/foreign-env/interactiveShellInit".text = cfge.interactiveShellInit;
environment.etc."fish/config.fish".text = ''
# /etc/fish/config.fish: DO NOT EDIT -- this file has been generated automatically.
set fish_function_path $fish_function_path ${pkgs.fish-foreign-env}/share/fish-foreign-env/functions
fenv source ${config.system.build.setEnvironment} 1> /dev/null
fenv source /etc/fish/foreign-env/shellInit 1> /dev/null
${cfg.shellInit}
if builtin status --is-login
fenv source /etc/fish/foreign-env/loginShellInit 1> /dev/null
${cfg.loginShellInit}
end
if builtin status --is-interactive
${fishAliases}
fenv source /etc/fish/foreign-env/interactiveShellInit 1> /dev/null
${cfg.interactiveShellInit}
end
'';
environment.systemPackages = [ pkgs.fish ];
environment.shells = [
"/run/current-system/sw/bin/fish"
"/var/run/current-system/sw/bin/fish"
"${pkgs.fish}/bin/fish"
];
};
}