home-manager/modules/programs/opam.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.opam;
in
{
meta.maintainers = [ maintainers.marsam ];
options.programs.opam = {
enable = mkEnableOption "Opam";
package = mkOption {
type = types.package;
default = pkgs.opam;
defaultText = "pkgs.opam";
description = "Opam package to install.";
};
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.
'';
};
};
config = mkIf cfg.enable {
home.packages = [ cfg.package ];
programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
eval "$(${cfg.package}/bin/opam env --shell=bash)"
'';
programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
eval "$(${cfg.package}/bin/opam env --shell=zsh)"
'';
};
}