From 2f5ea52dec17456839a0ffae7c5b1260de53a5c2 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 16 Nov 2025 00:06:56 +0000
Subject: [PATCH 1/2] Initial plan


From a33102e7e361dceca0679348ae3fdbea7957d6fe Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 16 Nov 2025 00:16:30 +0000
Subject: [PATCH 2/2] Fix issue #55: Wrap commands with shell to support 'deno
 task' and other complex commands

Co-authored-by: Hexagon <419737+Hexagon@users.noreply.github.com>
---
 lib/core/runner.ts                            |  7 +++-
 .../core/test-data/deno-task-test/deno.json   |  5 +++
 .../core/test-data/deno-task-test/hello.ts    |  1 +
 test/core/runner.test.ts                      | 32 +++++++++++++++++++
 4 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 lib/test/core/test-data/deno-task-test/deno.json
 create mode 100644 lib/test/core/test-data/deno-task-test/hello.ts

diff --git a/lib/core/runner.ts b/lib/core/runner.ts
index a2f12ab..fd1b86a 100644
--- a/lib/core/runner.ts
+++ b/lib/core/runner.ts
@@ -157,7 +157,12 @@ class Runner extends BaseRunner {
    * @returns The command to be executed.
    */
   private prepareCommand(env?: Record<string, string | undefined>) {
-    let child = $.raw`${this.processConfig.cmd!}`.stdout("piped").stderr("piped")
+    // Execute command through a shell to handle complex commands like "deno task",
+    // pipes, redirects, and other shell features
+    const shell = CurrentOS === OperatingSystem.Windows ? "cmd" : "sh"
+    const shellArg = CurrentOS === OperatingSystem.Windows ? "/c" : "-c"
+
+    let child = $`${shell} ${shellArg} ${this.processConfig.cmd!}`.stdout("piped").stderr("piped")
 
     if (this.processConfig.cwd) child = child.cwd(this.processConfig.cwd)
     if (env) child = child.env(env)
diff --git a/lib/test/core/test-data/deno-task-test/deno.json b/lib/test/core/test-data/deno-task-test/deno.json
new file mode 100644
index 0000000..68f6197
--- /dev/null
+++ b/lib/test/core/test-data/deno-task-test/deno.json
@@ -0,0 +1,5 @@
+{
+  "tasks": {
+    "hello": "deno run hello.ts"
+  }
+}
diff --git a/lib/test/core/test-data/deno-task-test/hello.ts b/lib/test/core/test-data/deno-task-test/hello.ts
new file mode 100644
index 0000000..8f738c6
--- /dev/null
+++ b/lib/test/core/test-data/deno-task-test/hello.ts
@@ -0,0 +1 @@
+console.log("hello-from-deno-task")
diff --git a/test/core/runner.test.ts b/test/core/runner.test.ts
index ca42f46..d297cb2 100644
--- a/test/core/runner.test.ts
+++ b/test/core/runner.test.ts
@@ -70,3 +70,35 @@ test("Runner handles commands with pipes and redirects", async () => {
   // Stop and cleanup
   await pup.terminate(2500)
 })
+
+test("Runner executes actual 'deno task' commands correctly (issue #55)", async () => {
+  const TEST_PROCESS_ID = "test-actual-deno-task"
+  const TEST_PROCESS_COMMAND = "deno task hello"
+  const TEST_CWD = new URL("../../lib/test/core/test-data/deno-task-test/", import.meta.url).pathname
+
+  const config: Configuration = {
+    processes: [
+      {
+        "id": TEST_PROCESS_ID,
+        "cmd": TEST_PROCESS_COMMAND,
+        "cwd": TEST_CWD,
+      },
+    ],
+  }
+  const pup = new Pup(config)
+  await pup.init()
+
+  // Find process
+  const testProcess = pup.processes.findLast((p) => p.getConfig().id === TEST_PROCESS_ID)
+  assertEquals(testProcess !== undefined, true)
+
+  // Start process
+  const startResult = pup.start(TEST_PROCESS_ID, "test")
+  assertEquals(startResult, true)
+
+  // Wait a moment for process to complete
+  await new Promise((resolve) => setTimeout(resolve, 1000))
+
+  // Stop and cleanup
+  await pup.terminate(2500)
+})