Dotfiles template default repo (#224)

Co-authored-by: Muhammad Atif Ali <me@matifali.dev>

dotfiles/README.md

@@ -18,3 +18,16 @@ module "dotfiles" {
   agent_id = coder_agent.example.id
 }
 ```
+
+## Setting a default dotfiles repository
+
+You can set a default dotfiles repository for all users by setting the `default_dotfiles_repo` variable:
+
+```tf
+module "dotfiles" {
+  source                = "registry.coder.com/modules/dotfiles/coder"
+  version               = "1.0.12"
+  agent_id              = coder_agent.example.id
+  default_dotfiles_repo = "https://github.com/coder/dotfiles"
+}
+```

dotfiles/main.test.ts

@@ -18,4 +18,13 @@ describe("dotfiles", async () => {
     });
     expect(state.outputs.dotfiles_uri.value).toBe("");
   });
+
+  it("set a default dotfiles_uri", async () => {
+    const default_dotfiles_uri = "foo";
+    const state = await runTerraformApply(import.meta.dir, {
+      agent_id: "foo",
+      default_dotfiles_uri,
+    });
+    expect(state.outputs.dotfiles_uri.value).toBe(default_dotfiles_uri);
+  });
 });

dotfiles/main.tf

@@ -14,11 +14,17 @@ variable "agent_id" {
   description = "The ID of a Coder agent."
 }
 
+variable "default_dotfiles_uri" {
+  type        = string
+  description = "The default dotfiles URI if the workspace user does not provide one."
+  default     = ""
+}
+
 data "coder_parameter" "dotfiles_uri" {
   type         = "string"
   name         = "dotfiles_uri"
   display_name = "Dotfiles URL (optional)"
-  default      = ""
+  default      = var.default_dotfiles_uri
   description  = "Enter a URL for a [dotfiles repository](https://dotfiles.github.io) to personalize your workspace"
   mutable      = true
   icon         = "/icon/dotfiles.svg"
@@ -40,4 +46,9 @@ resource "coder_script" "personalize" {
 output "dotfiles_uri" {
   description = "Dotfiles URI"
   value       = data.coder_parameter.dotfiles_uri.value
+}
+
+output "dotfiles_default_uri" {
+  description = "Dotfiles Default URI"
+  value       = var.default_dotfiles_uri
 }