feat(git-clone module): added post_clone_script. (#357)

Co-authored-by: DevCats <christofer@coder.com>
Co-authored-by: Atif Ali <atif@coder.com>

registry/coder/modules/git-clone/README.md

@@ -14,7 +14,7 @@ This module allows you to automatically clone a repository by URL and skip if it
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://github.com/coder/coder"
 }
@@ -28,7 +28,7 @@ module "git-clone" {
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://github.com/coder/coder"
   base_dir = "~/projects/coder"
@@ -43,7 +43,7 @@ To use with [Git Authentication](https://coder.com/docs/v2/latest/admin/git-prov
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://github.com/coder/coder"
 }
@@ -69,7 +69,7 @@ data "coder_parameter" "git_repo" {
 module "git_clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = data.coder_parameter.git_repo.value
 }
@@ -103,7 +103,7 @@ Configuring `git-clone` for a self-hosted GitHub Enterprise Server running at `g
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://github.example.com/coder/coder/tree/feat/example"
   git_providers = {
@@ -122,7 +122,7 @@ To GitLab clone with a specific branch like `feat/example`
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://gitlab.com/coder/coder/-/tree/feat/example"
 }
@@ -134,7 +134,7 @@ Configuring `git-clone` for a self-hosted GitLab running at `gitlab.example.com`
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/coder/git-clone/coder"
-  version  = "1.1.2"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://gitlab.example.com/coder/coder/-/tree/feat/example"
   git_providers = {
@@ -155,7 +155,7 @@ For example, to clone the `feat/example` branch:
 module "git-clone" {
   count       = data.coder_workspace.me.start_count
   source      = "registry.coder.com/coder/git-clone/coder"
-  version     = "1.1.2"
+  version     = "1.2.0"
   agent_id    = coder_agent.example.id
   url         = "https://github.com/coder/coder"
   branch_name = "feat/example"
@@ -173,7 +173,7 @@ For example, this will clone into the `~/projects/coder/coder-dev` folder:
 module "git-clone" {
   count       = data.coder_workspace.me.start_count
   source      = "registry.coder.com/coder/git-clone/coder"
-  version     = "1.1.2"
+  version     = "1.2.0"
   agent_id    = coder_agent.example.id
   url         = "https://github.com/coder/coder"
   folder_name = "coder-dev"
@@ -192,9 +192,32 @@ If not defined, the default, `0`, performs a full clone.
 module "git-clone" {
   count    = data.coder_workspace.me.start_count
   source   = "registry.coder.com/modules/git-clone/coder"
-  version  = "1.1.0"
+  version  = "1.2.0"
   agent_id = coder_agent.example.id
   url      = "https://github.com/coder/coder"
   depth    = 1
 }
 ```
+
+## Post-clone script
+
+Run a custom script after cloning the repository by setting the `post_clone_script` variable.
+This is useful for running initialization tasks like installing dependencies or setting up the environment.
+
+```tf
+module "git-clone" {
+  count             = data.coder_workspace.me.start_count
+  source            = "registry.coder.com/coder/git-clone/coder"
+  version           = "1.2.0"
+  agent_id          = coder_agent.example.id
+  url               = "https://github.com/coder/coder"
+  post_clone_script = <<-EOT
+    #!/bin/bash
+    echo "Repository cloned successfully!"
+    # Install dependencies
+    npm install
+    # Run any other initialization tasks
+    make setup
+  EOT
+}
+```

registry/coder/modules/git-clone/main.test.ts

@@ -30,11 +30,12 @@ describe("git-clone", async () => {
       url: "fake-url",
     });
     const output = await executeScriptInContainer(state, "alpine/git");
-    expect(output.exitCode).toBe(128);
     expect(output.stdout).toEqual([
       "Creating directory ~/fake-url...",
       "Cloning fake-url to ~/fake-url...",
     ]);
+    expect(output.stderr.join(" ")).toContain("fatal");
+    expect(output.stderr.join(" ")).toContain("fake-url");
   });
 
   it("repo_dir should match repo name for https", async () => {
@@ -244,4 +245,20 @@ describe("git-clone", async () => {
       "Cloning https://github.com/michaelbrewer/repo-tests.log to ~/repo-tests.log on branch feat/branch...",
     ]);
   });
+
+  it("runs post-clone script", async () => {
+    const state = await runTerraformApply(import.meta.dir, {
+      agent_id: "foo",
+      url: "fake-url",
+      post_clone_script: "echo 'Post-clone script executed'",
+    });
+    const output = await executeScriptInContainer(
+      state,
+      "alpine/git",
+      "sh",
+      "mkdir -p ~/fake-url && echo 'existing' > ~/fake-url/file.txt",
+    );
+    expect(output.stdout).toContain("Running post-clone script...");
+    expect(output.stdout).toContain("Post-clone script executed");
+  });
 });

registry/coder/modules/git-clone/main.tf

@@ -62,6 +62,12 @@ variable "depth" {
   default     = 0
 }
 
+variable "post_clone_script" {
+  description = "Custom script to run after cloning the repository. Runs always after git clone, even if the repository already exists."
+  type        = string
+  default     = null
+}
+
 locals {
   # Remove query parameters and fragments from the URL
   url = replace(replace(var.url, "/\\?.*/", ""), "/#.*/", "")
@@ -81,6 +87,8 @@ locals {
   clone_path = var.base_dir != "" ? join("/", [var.base_dir, local.folder_name]) : join("/", ["~", local.folder_name])
   # Construct the web URL
   web_url = startswith(local.clone_url, "git@") ? replace(replace(local.clone_url, ":", "/"), "git@", "https://") : local.clone_url
+  # Encode the post_clone_script for passing to the shell script
+  encoded_post_clone_script = var.post_clone_script != null ? base64encode(var.post_clone_script) : ""
 }
 
 output "repo_dir" {
@@ -120,6 +128,7 @@ resource "coder_script" "git_clone" {
     REPO_URL : local.clone_url,
     BRANCH_NAME : local.branch_name,
     DEPTH = var.depth,
+    POST_CLONE_SCRIPT : local.encoded_post_clone_script,
   })
   display_name       = "Git Clone"
   icon               = "/icon/git.svg"

registry/coder/modules/git-clone/run.sh

@@ -6,6 +6,7 @@ BRANCH_NAME="${BRANCH_NAME}"
 # Expand home if it's specified!
 CLONE_PATH="$${CLONE_PATH/#\~/$${HOME}}"
 DEPTH="${DEPTH}"
+POST_CLONE_SCRIPT="${POST_CLONE_SCRIPT}"
 
 # Check if the variable is empty...
 if [ -z "$REPO_URL" ]; then
@@ -52,5 +53,14 @@ if [ -z "$(ls -A "$CLONE_PATH")" ]; then
   fi
 else
   echo "$CLONE_PATH already exists and isn't empty, skipping clone!"
-  exit 0
+fi
+
+# Run post-clone script if provided
+if [ -n "$POST_CLONE_SCRIPT" ]; then
+  echo "Running post-clone script..."
+  echo "$POST_CLONE_SCRIPT" | base64 -d > /tmp/post_clone.sh
+  chmod +x /tmp/post_clone.sh
+  cd "$CLONE_PATH"
+  /tmp/post_clone.sh
+  rm /tmp/post_clone.sh
 fi