90 lines
2.4 KiB
Nix
90 lines
2.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.go;
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in {
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meta.maintainers = [ maintainers.rvolosatovs ];
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options = {
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programs.go = {
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enable = mkEnableOption "Go";
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package = mkOption {
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type = types.package;
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default = pkgs.go;
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defaultText = literalExample "pkgs.go";
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description = "The Go package to use.";
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};
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packages = mkOption {
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type = with types; attrsOf path;
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default = { };
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example = literalExample ''
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{
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"golang.org/x/text" = builtins.fetchGit "https://go.googlesource.com/text";
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"golang.org/x/time" = builtins.fetchGit "https://go.googlesource.com/time";
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}
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'';
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description = "Packages to add to GOPATH.";
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};
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goPath = mkOption {
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type = with types; nullOr str;
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default = null;
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example = "go";
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description = ''
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Primary <envar>GOPATH</envar> relative to
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<envar>HOME</envar>. It will be exported first and therefore
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used by default by the Go tooling.
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'';
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};
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extraGoPaths = mkOption {
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type = types.listOf types.str;
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default = [ ];
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example = [ "extraGoPath1" "extraGoPath2" ];
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description = let goPathOpt = "programs.go.goPath";
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in ''
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Extra <envar>GOPATH</envar>s relative to <envar>HOME</envar> appended
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after
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<varname><link linkend="opt-${goPathOpt}">${goPathOpt}</link></varname>,
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if that option is set.
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'';
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};
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goBin = mkOption {
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type = with types; nullOr str;
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default = null;
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example = ".local/bin.go";
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description = "GOBIN relative to HOME";
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};
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};
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};
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config = mkIf cfg.enable (mkMerge [
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{
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home.packages = [ cfg.package ];
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home.file = let
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goPath = if cfg.goPath != null then cfg.goPath else "go";
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mkSrc = n: v: { "${goPath}/src/${n}".source = v; };
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in foldl' (a: b: a // b) { } (mapAttrsToList mkSrc cfg.packages);
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}
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(mkIf (cfg.goPath != null) {
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home.sessionVariables.GOPATH = concatStringsSep ":" (map builtins.toPath
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(map (path: "${config.home.homeDirectory}/${path}")
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([ cfg.goPath ] ++ cfg.extraGoPaths)));
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})
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(mkIf (cfg.goBin != null) {
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home.sessionVariables.GOBIN =
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builtins.toPath "${config.home.homeDirectory}/${cfg.goBin}";
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})
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]);
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}
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