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|
{ lib, pkgs }:
let
mkScript =
name: path: description: env: deps: completion:
let
descLines = lib.filter (s: s != "") (lib.splitString "\n" description);
descComment =
if descLines == [ ] then "" else lib.concatMapStringsSep "\n" (line: "# ${line}") descLines + "\n";
envVars = lib.concatStringsSep "\n" (
lib.mapAttrsToList (n: v: "export ${n}=${lib.escapeShellArg (toString v)}") env
);
base = pkgs.writeShellApplication {
inherit name;
runtimeInputs = deps;
text = ''
${descComment}${envVars}
${builtins.readFile path}
'';
};
completionDrv =
pkgs.runCommand "${name}-completion"
{
nativeBuildInputs = [ pkgs.installShellFiles ];
}
''
installShellCompletion --zsh --name _${name} ${pkgs.writeText "_${name}" completion}
'';
in
if completion == null then
base
else
pkgs.symlinkJoin {
name = name;
paths = [
base
completionDrv
];
meta = base.meta or { };
};
mkScriptModule =
{
name,
path,
env ? { },
deps ? [ ],
desktop ? null,
extraLinks ? [ ],
config,
description ? "",
completion ? null,
}:
let
scriptDrv = mkScript name path description env deps completion;
in
{
options.scripts.${name} = {
enable = lib.mkOption {
type = lib.types.bool;
default = true;
description = "Whether to enable the ${name} script.";
};
package = lib.mkOption {
type = lib.types.nullOr lib.types.package;
readOnly = true;
description = "The derivation for the ${name} script.";
};
completion = {
enable = lib.mkOption {
type = lib.types.bool;
default = completion != null;
description = "Whether to install a zsh completion for the ${name} script.";
};
};
desktop = {
enable = lib.mkOption {
type = lib.types.bool;
default = false;
description = "Whether to create a .desktop entry for this script.";
};
displayName = lib.mkOption {
type = lib.types.str;
default = name;
description = "Display name for the .desktop entry.";
};
icon = lib.mkOption {
type = lib.types.str;
default = "kitty";
description = "Icon for the .desktop entry.";
};
};
};
moduleConfig = {
scripts.${name} = lib.mkIf config.scripts.${name}.enable (
{
package = scriptDrv;
}
// lib.optionalAttrs (desktop != null) { inherit desktop; }
);
home.file = lib.mkIf config.scripts.${name}.enable (
builtins.listToAttrs (
map (linkPath: {
name = lib.removePrefix "~/" linkPath;
value = {
source = "${scriptDrv}/bin/${name}";
};
}) extraLinks
)
);
assertions = [
{
assertion =
!config.scripts.${name}.enable
|| !config.scripts.${name}.desktop.enable
|| config.terminal.kitty.enable;
message = "scripts.${name}.desktop.enable requires terminal.kitty.enable because desktop entries launch scripts in kitty.";
}
{
assertion = !config.scripts.${name}.completion.enable || completion != null;
message = "scripts.${name}.completion.enable is true but no completion text was provided to mkScriptModule.";
}
];
};
};
in
{
inherit mkScript mkScriptModule;
}
|
