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# nixos-config - My current NixOS configuration
#
# Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
# SPDX-License-Identifier: GPL-3.0-or-later
#
# This file is part of my nixos-config.
#
# You should have received a copy of the License along with this program.
# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
{
config,
lib,
pkgs,
...
}: let
cfg = config.soispha.programs.fish;
sourceFile = path: "source ${path}\n";
extraFiles = builtins.concatStringsSep "\n" (
builtins.map (value:
if builtins.isPath value
then (sourceFile value)
else value) (
builtins.attrValues cfg.integrations
)
);
keymappings_raw = import ./keymappings.nix {inherit lib;};
mkBinding = mode: base_key: binding: let
sets_mode_to =
if binding ? sets_mode_to
then "--sets-mode ${binding.sets_mode_to} "
else "";
in
if binding ? cmd
then let
mkCmd = cmd: "'${cmd}'";
escaped_key =
if base_key == ""
then ''""''
else
lib.escape [
"\""
"("
")"
"$"
";"
"*"
"&"
"|"
"~"
"<"
">"
"^"
]
base_key;
escaped_cmd =
if builtins.isList binding.cmd
then builtins.concatStringsSep " " (builtins.map mkCmd binding.cmd)
else mkCmd binding.cmd;
in ''
bind --mode "${mode}" ${sets_mode_to}--preset ${escaped_key} ${escaped_cmd}
''
else
builtins.concatStringsSep "" (lib.mapAttrsToList
(new_key: value: mkBinding mode "${base_key + "," + new_key}" value)
binding);
mkMode = mode: attr: builtins.concatStringsSep "" (lib.mapAttrsToList (mkBinding mode) attr);
keymappings =
''
function fish_my_key_bindings
fish_vi_key_bindings
bind --erase --all
''
+ builtins.concatStringsSep "\n" (lib.mapAttrsToList mkMode keymappings_raw)
+ ''
end
set -g fish_key_bindings fish_my_key_bindings
'';
in {
options.soispha.programs.fish = {
enable = lib.mkEnableOption "fish";
integrations = lib.mkOption {
type = lib.types.attrsOf (lib.types.either lib.types.path lib.types.str);
example = ''
{
atuin = ./integrations/atuin.fish;
}
'';
default = {};
};
};
config = lib.mkIf cfg.enable {
# Ensure that the default shell of the user is actually enabled.
programs.fish = {
enable = true;
package = pkgs.fish-patched;
};
users.users.soispha.shell = config.programs.fish.package;
home-manager.users.soispha = {
home.sessionPath = lib.mkForce [];
programs.fish = {
enable = true;
package = config.programs.fish.package;
interactiveShellInit = let
start = lib.modules.mkBefore (
sourceFile ./config/01_show-task.fish
);
end = lib.modules.mkAfter keymappings;
in
lib.modules.mkMerge
[
start
extraFiles
end
];
};
};
};
}
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