54 lines
1.4 KiB
Nix
54 lines
1.4 KiB
Nix
# Adapted from Nixpkgs.
|
|
|
|
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.programs.command-not-found;
|
|
commandNotFound = pkgs.substituteAll {
|
|
name = "command-not-found";
|
|
dir = "bin";
|
|
src = ./command-not-found.pl;
|
|
isExecutable = true;
|
|
inherit (cfg) dbPath;
|
|
perl = pkgs.perl.withPackages (p: [ p.DBDSQLite p.StringShellQuote ]);
|
|
};
|
|
|
|
shInit = commandNotFoundHandlerName: ''
|
|
# This function is called whenever a command is not found.
|
|
${commandNotFoundHandlerName}() {
|
|
local p=${commandNotFound}/bin/command-not-found
|
|
if [ -x $p -a -f ${cfg.dbPath} ]; then
|
|
# Run the helper program.
|
|
$p "$@"
|
|
else
|
|
echo "$1: command not found" >&2
|
|
return 127
|
|
fi
|
|
}
|
|
'';
|
|
|
|
in {
|
|
options.programs.command-not-found = {
|
|
enable = mkEnableOption "command-not-found hook for interactive shell";
|
|
|
|
dbPath = mkOption {
|
|
default =
|
|
"/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite";
|
|
description = ''
|
|
Absolute path to <filename>programs.sqlite</filename>. By
|
|
default this file will be provided by your channel
|
|
(nixexprs.tar.xz).
|
|
'';
|
|
type = types.path;
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
programs.bash.initExtra = shInit "command_not_found_handle";
|
|
programs.zsh.initExtra = shInit "command_not_found_handler";
|
|
|
|
home.packages = [ commandNotFound ];
|
|
};
|
|
}
|