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