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42c768c8e8
this fixes issue #25800: https://github.com/NixOS/nixpkgs/issues/25800
184 lines
5.7 KiB
Nix
184 lines
5.7 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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vendor.config.enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether fish should source configuration snippets provided by other packages.
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'';
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};
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vendor.completions.enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether fish should use completion files provided by other packages.
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'';
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};
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vendor.functions.enable = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether fish should autoload fish functions provided by other packages.
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'';
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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/nixos-env-preinit.fish".text = ''
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# This happens before $__fish_datadir/config.fish sets fish_function_path, so it is currently
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# unset. We set it and then completely erase it, leaving its configuration to $__fish_datadir/config.fish
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set fish_function_path ${pkgs.fish-foreign-env}/share/fish-foreign-env/functions $__fish_datadir/functions
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# source the NixOS environment config
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fenv source ${config.system.build.setEnvironment}
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# clear fish_function_path so that it will be correctly set when we return to $__fish_datadir/config.fish
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set -e fish_function_path
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'';
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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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# if we haven't sourced the general config, do it
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if not set -q __fish_nixos_general_config_sourced
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set fish_function_path ${pkgs.fish-foreign-env}/share/fish-foreign-env/functions $fish_function_path
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fenv source /etc/fish/foreign-env/shellInit > /dev/null
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set -e fish_function_path[1]
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${cfg.shellInit}
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# and leave a note so we don't source this config section again from
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# this very shell (children will source the general config anew)
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set -g __fish_nixos_general_config_sourced 1
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end
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# if we haven't sourced the login config, do it
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status --is-login; and not set -q __fish_nixos_login_config_sourced
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and begin
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set fish_function_path ${pkgs.fish-foreign-env}/share/fish-foreign-env/functions $fish_function_path
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fenv source /etc/fish/foreign-env/loginShellInit > /dev/null
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set -e fish_function_path[1]
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${cfg.loginShellInit}
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# and leave a note so we don't source this config section again from
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# this very shell (children will source the general config anew)
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set -g __fish_nixos_login_config_sourced 1
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end
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# if we haven't sourced the interactive config, do it
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status --is-interactive; and not set -q __fish_nixos_interactive_config_sourced
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and begin
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${fishAliases}
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set fish_function_path ${pkgs.fish-foreign-env}/share/fish-foreign-env/functions $fish_function_path
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fenv source /etc/fish/foreign-env/interactiveShellInit > /dev/null
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set -e fish_function_path[1]
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${cfg.promptInit}
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${cfg.interactiveShellInit}
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# and leave a note so we don't source this config section again from
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# this very shell (children will source the general config anew,
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# allowing configuration changes in, e.g, aliases, to propagate)
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set -g __fish_nixos_interactive_config_sourced 1
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end
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'';
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# include programs that bring their own completions
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environment.pathsToLink = []
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++ optional cfg.vendor.config.enable "/share/fish/vendor_conf.d"
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++ optional cfg.vendor.completions.enable "/share/fish/vendor_completions.d"
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++ optional cfg.vendor.functions.enable "/share/fish/vendor_functions.d";
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environment.systemPackages = [ pkgs.fish ];
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environment.shells = [
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"/run/current-system/sw/bin/fish"
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"/var/run/current-system/sw/bin/fish"
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"${pkgs.fish}/bin/fish"
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];
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};
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}
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