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