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home-manager/modules/programs/direnv.nix
Joaquín Triñanes 9fe79591c1
direnv: add nix-direnv to lib instead of sourcing
Also removes use of `with lib`.
2024-04-29 00:30:45 +02:00

167 lines
4.7 KiB
Nix

{ config, lib, pkgs, ... }:
let
inherit (lib)
mkOption mkRenamedOptionModule mkRemovedOptionModule mkEnableOption types
mkPackageOption mkIf mkAfter getExe;
cfg = config.programs.direnv;
tomlFormat = pkgs.formats.toml { };
in {
imports = [
(mkRenamedOptionModule [
"programs"
"direnv"
"enableNixDirenvIntegration"
] [ "programs" "direnv" "nix-direnv" "enable" ])
(mkRemovedOptionModule [ "programs" "direnv" "nix-direnv" "enableFlakes" ]
"Flake support is now always enabled.")
];
meta.maintainers = [ lib.maintainers.rycee ];
options.programs.direnv = {
enable = mkEnableOption "direnv, the environment switcher";
package = mkPackageOption pkgs "direnv" { };
config = mkOption {
type = tomlFormat.type;
default = { };
description = ''
Configuration written to
{file}`$XDG_CONFIG_HOME/direnv/direnv.toml`.
See
{manpage}`direnv.toml(1)`.
for the full list of options.
'';
};
stdlib = mkOption {
type = types.lines;
default = "";
description = ''
Custom stdlib written to
{file}`$XDG_CONFIG_HOME/direnv/direnvrc`.
'';
};
enableBashIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Bash integration.
'';
};
enableZshIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Zsh integration.
'';
};
enableFishIntegration = mkOption {
default = true;
type = types.bool;
readOnly = true;
description = ''
Whether to enable Fish integration. Note, enabling the direnv module
will always active its functionality for Fish since the direnv package
automatically gets loaded in Fish. If this is not the case try adding
```nix
environment.pathsToLink = [ "/share/fish" ];
```
to the system configuration.
'';
};
enableNushellIntegration = mkOption {
default = true;
type = types.bool;
description = ''
Whether to enable Nushell integration.
'';
};
nix-direnv = {
enable = mkEnableOption ''
[nix-direnv](https://github.com/nix-community/nix-direnv),
a fast, persistent use_nix implementation for direnv'';
package = mkPackageOption pkgs "nix-direnv" { };
};
};
config = mkIf cfg.enable {
home.packages = [ cfg.package ];
xdg.configFile."direnv/direnv.toml" = mkIf (cfg.config != { }) {
source = tomlFormat.generate "direnv-config" cfg.config;
};
xdg.configFile."direnv/lib/hm-nix-direnv.sh" = mkIf cfg.nix-direnv.enable {
source = "${cfg.nix-direnv.package}/share/nix-direnv/direnvrc";
};
xdg.configFile."direnv/direnvrc" =
lib.mkIf (cfg.stdlib != "") { text = cfg.stdlib; };
programs.bash.initExtra = mkIf cfg.enableBashIntegration (
# Using mkAfter to make it more likely to appear after other
# manipulations of the prompt.
mkAfter ''
eval "$(${getExe cfg.package} hook bash)"
'');
programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
eval "$(${getExe cfg.package} hook zsh)"
'';
programs.fish.interactiveShellInit = mkIf cfg.enableFishIntegration (
# Using mkAfter to make it more likely to appear after other
# manipulations of the prompt.
mkAfter ''
${getExe cfg.package} hook fish | source
'');
programs.nushell.extraConfig = mkIf cfg.enableNushellIntegration (
# Using mkAfter to make it more likely to appear after other
# manipulations of the prompt.
mkAfter ''
$env.config = ($env.config? | default {})
$env.config.hooks = ($env.config.hooks? | default {})
$env.config.hooks.pre_prompt = (
$env.config.hooks.pre_prompt?
| default []
| append {||
let direnv = (${getExe cfg.package} export json
| from json
| default {})
if ($direnv | is-empty) {
return
}
$direnv
| items {|key, value|
{
key: $key
value: (do (
$env.ENV_CONVERSIONS?
| default {}
| get -i $key
| get -i from_string
| default {|x| $x}
) $value)
}
}
| transpose -ird
| load-env
}
)
'');
};
}