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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.direnv;
configFile = config:
pkgs.runCommand "config.toml" {
buildInputs = [ pkgs.remarshal ];
preferLocalBuild = true;
allowSubstitutes = false;
} ''
remarshal -if json -of toml \
< ${pkgs.writeText "config.json" (builtins.toJSON config)} \
> $out
'';
in {
meta.maintainers = [ maintainers.rycee ];
options.programs.direnv = {
enable = mkEnableOption "direnv, the environment switcher";
config = mkOption {
type = types.attrs;
default = { };
description = ''
Configuration written to
<filename>~/.config/direnv/config.toml</filename>.
</para><para>
See
<citerefentry>
<refentrytitle>direnv.toml</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>.
for the full list of options.
'';
};
stdlib = mkOption {
type = types.lines;
default = "";
description = ''
Custom stdlib written to
<filename>~/.config/direnv/direnvrc</filename>.
'';
};
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;
description = ''
Whether to enable Fish integration.
'';
};
enableNixDirenvIntegration = mkEnableOption ''
<link
xlink:href="https://github.com/nix-community/nix-direnv">nix-direnv</link>,
a fast, persistent use_nix implementation for direnv'';
};
config = mkIf cfg.enable {
home.packages = [ pkgs.direnv ];
xdg.configFile."direnv/config.toml" =
mkIf (cfg.config != { }) { source = configFile cfg.config; };
xdg.configFile."direnv/direnvrc" = let
text = concatStringsSep "\n" (optional (cfg.stdlib != "") cfg.stdlib
++ optional cfg.enableNixDirenvIntegration
"source ${pkgs.nix-direnv}/share/nix-direnv/direnvrc");
in mkIf (text != "") { inherit text; };
programs.bash.initExtra = mkIf cfg.enableBashIntegration (
# Using mkAfter to make it more likely to appear after other
# manipulations of the prompt.
mkAfter ''
eval "$(${pkgs.direnv}/bin/direnv hook bash)"
'');
programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
eval "$(${pkgs.direnv}/bin/direnv hook zsh)"
'';
programs.fish.shellInit = mkIf cfg.enableFishIntegration ''
eval (${pkgs.direnv}/bin/direnv hook fish)
'';
};
}
|
