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|
{ config, lib, pkgs, ...}:
with lib;
let
cfg = config.programs.fish;
cfge = config.environment;
foreignEnv = pkgs.writeText "fish-foreign-env" ''
# TODO: environment.shellInit
${cfge.extraInit}
'';
loginForeignEnv = pkgs.writeText "fish-login-foreign-env" ''
# TODO: environment.loginShellInit
'';
interactiveForeignEnv = pkgs.writeText "fish-interactive-foreign-env" ''
${cfge.interactiveShellInit}
'';
shell = pkgs.runCommand pkgs.fish.name
{ buildInputs = [ pkgs.makeWrapper ]; }
''
source $stdenv/setup
mkdir -p $out/bin
makeWrapper ${pkgs.fish}/bin/fish $out/bin/fish
'';
fishAliases = concatStringsSep "\n" (
mapAttrsFlatten (k: v: "alias ${k} '${v}'") cfg.shellAliases
);
fishVariables =
mapAttrsToList (n: v: ''set -x ${n} "${v}"'') cfg.variables;
in
{
options = {
programs.fish = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to configure fish as an interactive shell.
'';
};
variables = mkOption {
type = types.attrsOf (types.either types.str (types.listOf types.str));
default = {};
description = ''
A set of environment variables used in the global environment.
These variables will be set on shell initialisation.
The value of each variable can be either a string or a list of
strings. The latter is concatenated, interspersed with colon
characters.
'';
apply = mapAttrs (n: v: if isList v then concatStringsSep ":" v else v);
};
shellAliases = mkOption {
type = types.attrs;
default = cfge.shellAliases;
description = ''
Set of aliases for fish shell. See <option>environment.shellAliases</option>
for an option format description.
'';
};
shellInit = mkOption {
type = types.lines;
default = "";
description = ''
Shell Script code called during fish shell initialisation.
'';
};
loginShellInit = mkOption {
type = types.lines;
default = "";
description = ''
Shell script code called during fish login shell initialisation.
'';
};
interactiveShellInit = mkOption {
type = types.lines;
default = "";
description = ''
Shell script code called during interactive fish shell initialisation.
'';
};
promptInit = mkOption {
type = types.lines;
default = "";
description = ''
Shell script code used to initialise fish prompt.
'';
};
};
};
config = mkIf cfg.enable {
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
set PATH ${replaceStrings [":"] [" "] config.environment.systemPath} $PATH
${config.system.build.setEnvironment}
fenv source ${foreignEnv}
${cfg.shellInit}
${concatStringsSep "\n" fishVariables}
if status --is-login
# TODO: environment.loginShellInit
${cfg.loginShellInit}
end
if status --is-interactive
${fishAliases}
${optionalString (cfge.interactiveShellInit != "") ''
fenv source ${interactiveForeignEnv}
''}
${cfg.interactiveShellInit}
${cfg.promptInit}
end
'';
# include programs that bring their own completions
# FIXME: environment.pathsToLink = [ "/share/fish/vendor_completions.d" ];
environment.systemPackages = [ pkgs.fish ];
environment.loginShell = mkDefault "${shell}/bin/fish -l";
environment.variables.SHELL = mkDefault "${shell}/bin/fish";
};
}
|
