1 files changed, 53 insertions, 0 deletions
diff --git a/programs/colima.nix b/programs/colima.nix
new file mode 100644
index 0000000..44c86f9
--- /dev/null
+++ b/programs/colima.nix
@@ -0,0 +1,53 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.programs.colima;
+  yamlFormat = pkgs.formats.yaml { };
+  settingsType = lib.types.submodule {
+    freeformType = yamlFormat.type;
+  };
+in
+{
+  options.programs.colima = {
+    enable = lib.mkEnableOption "Container runtimes on macOS";
+
+    package = lib.mkOption {
+      type = lib.types.package;
+      default = pkgs.colima;
+      defaultText = lib.literalExpression "pkgs.colima";
+      description = "Package providing {command}`colima`.";
+    };
+
+    settings = lib.mkOption {
+      type = settingsType;
+      default = { };
+      description =
+        "Configuration written to {file}`$XDG_CONFIG_HOME/.colima/default/colima.yaml`.";
+      example = lib.literalExpression ''
+        {
+          cpu = 2;
+          disk = 60;
+          memory = 2;
+        };
+      '';
+    };
+  };
+
+  config =
+    let
+      colimaConfig = pkgs.writeTextFile {
+        name = "colima.yaml";
+        text = (lib.generators.toYAML { } cfg.settings);
+      };
+    in
+    lib.mkIf cfg.enable {
+      home.packages = [ cfg.package ];
+
+      # because Colima writes to this file on startup
+      home.activation.colimaConfig = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+        mkdir -p ~/.colima/default
+        cp -f "${colimaConfig}" ~/.colima/default/colima.yaml
+        chmod 644 ~/.colima/default/colima.yaml
+      '';
+    };
+}