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