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home-manager/modules/programs/go.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.go;
in
{
meta.maintainers = [ maintainers.rvolosatovs ];
options = {
programs.go = {
enable = mkEnableOption "Go";
package = mkOption {
type = types.package;
default = pkgs.go;
defaultText = "pkgs.go";
description = "The Go package to use.";
};
packages = mkOption {
type = with types; attrsOf path;
default = {};
example = literalExample ''
{
"golang.org/x/time/rate" = builtins.fetchGit "https://go.googlesource.com/text";
}
'';
description = "Packages to add to GOPATH.";
};
goPath = mkOption {
type = with types; nullOr str;
default = null;
example = "go";
description = "GOPATH relative to HOME";
};
goBin = mkOption {
type = with types; nullOr str;
default = null;
example = ".local/bin.go";
description = "GOBIN relative to HOME";
};
};
};
config = mkIf cfg.enable (mkMerge [
{
home.packages = [ cfg.package ];
home.file =
let
goPath = if cfg.goPath != null then cfg.goPath else "go";
mkSrc = n: v: {
target = "${goPath}/src/${n}";
source = v;
};
in
mapAttrsToList mkSrc cfg.packages;
}
(mkIf (cfg.goPath != null) {
home.sessionVariables.GOPATH = builtins.toPath "${config.home.homeDirectory}/${cfg.goPath}";
})
(mkIf (cfg.goBin != null) {
home.sessionVariables.GOBIN = builtins.toPath "${config.home.homeDirectory}/${cfg.goBin}";
})
]);
}