diff --git a/src/icmtoolchain/__main__.py b/src/icmtoolchain/__main__.py
index 5b78adb..dcd1af8 100644
--- a/src/icmtoolchain/__main__.py
+++ b/src/icmtoolchain/__main__.py
@@ -1,67 +1,2 @@
-import sys
-
-if "--help" in sys.argv or len(sys.argv) <= 1:
-	print("Usage: icmtoolchain [options] ... <task1> [arguments1] ...")
-	print(" " * 2 + "--help: Display this message.")
-	print(" " * 2 + "--list: See available tasks.")
-	print("Performs commands marked with a special decorator @task.")
-	print("Example: icmtoolchain selectProject --path mod1 pushEverything selectProject --path mod2 pushEverything launchApplication")
-	exit(0)
-
-from .task import TASKS
-
-if "--list" in sys.argv:
-	print("All availabled tasks:")
-	for name, task in TASKS.items():
-		print(" " * 2 + name, end="")
-		if task.description:
-			print(": " + task.description, end="")
-		print()
-	exit(0)
-
-from time import time
-
-startup_millis = time()
-argv = sys.argv[1:]
-
-from .parser import apply_environment_properties, parse_arguments
-from .shell import abort, debug, error, warn
-
-try:
-	targets = parse_arguments(argv, TASKS, lambda name, target, callables: warn(f"* No such task: {name}."))
-except (TypeError, ValueError) as err:
-	error(" ".join(argv))
-	abort(cause=err)
-
-apply_environment_properties()
-
-anything_performed = False
-tasks = iter(targets)
-while True:
-	try:
-		callable = next(tasks)
-	except StopIteration:
-		break
-	else:
-		try:
-			result = callable.callable()
-			if result != 0:
-				abort(f"* Task {callable.name} failed with result {result}.", code=result)
-		except BaseException as err:
-			if isinstance(err, SystemExit):
-				raise err
-			from .utils import RuntimeCodeError
-			if isinstance(err, RuntimeCodeError):
-				abort(f"* Task {callable.name} failed with error code #{err.code}: {err}")
-			abort(f"* Task {callable.name} failed with unexpected error!", cause=err)
-		anything_performed = True
-
-if not anything_performed:
-	debug("* No tasks to execute.")
-	exit(0)
-
-from .task import unlock_all_tasks
-
-unlock_all_tasks()
-startup_millis = time() - startup_millis
-debug(f"* Tasks successfully completed in {startup_millis:.2f}s!")
+from .cli import run
+run()
diff --git a/src/icmtoolchain/cli.py b/src/icmtoolchain/cli.py
index e69de29..b593d63 100644
--- a/src/icmtoolchain/cli.py
+++ b/src/icmtoolchain/cli.py
@@ -0,0 +1,75 @@
+import sys
+from typing import Optional
+
+def show_help():
+	print("Usage: icmtoolchain [options] ... <task1> [arguments1] ...")
+	print(" " * 2 + "--help: Display this message.")
+	print(" " * 2 + "--list: See available tasks.")
+	print("Perform commands marked with a special decorator @task.")
+	print("Example: icmtoolchain selectProject --path mod1 pushEverything selectProject --path mod2 pushEverything launchApplication")
+
+def show_available_tasks():
+	from .task import TASKS
+	print("All available tasks:")
+	for name, task in TASKS.items():
+		print(" " * 2 + name, end="")
+		if task.description:
+			print(": " + task.description, end="")
+		print()
+
+def run(argv: Optional[list[str]] = None):
+	if not argv or len(argv) == 0:
+		argv = sys.argv
+	if "--help" in argv or len(argv) <= 1:
+		show_help()
+		exit(0)
+	if "--list" in argv:
+		show_available_tasks()
+		exit(0)
+
+	from time import time
+	startup_millis = time()
+	argv = argv[1:]
+
+	from .parser import apply_environment_properties, parse_arguments
+	from .shell import abort, debug, error, warn
+	from .task import TASKS
+
+	try:
+		targets = parse_arguments(argv, TASKS, lambda name, target, callables: warn(f"* No such task: {name}."))
+	except (TypeError, ValueError) as err:
+		error(" ".join(argv))
+		abort(cause=err)
+
+	apply_environment_properties()
+
+	anything_performed = False
+	tasks = iter(targets)
+	while True:
+		try:
+			callable = next(tasks)
+		except StopIteration:
+			break
+		else:
+			try:
+				result = callable.callable()
+				if result != 0:
+					abort(f"* Task {callable.name} failed with result {result}.", code=result)
+			except BaseException as err:
+				if isinstance(err, SystemExit):
+					raise err
+				from .utils import RuntimeCodeError
+				if isinstance(err, RuntimeCodeError):
+					abort(f"* Task {callable.name} failed with error code #{err.code}: {err}")
+				abort(f"* Task {callable.name} failed with unexpected error!", cause=err)
+			anything_performed = True
+
+	if not anything_performed:
+		debug("* No tasks to execute.")
+		exit(0)
+
+	from .task import unlock_all_tasks
+	unlock_all_tasks()
+
+	startup_millis = time() - startup_millis
+	debug(f"* Tasks successfully completed in {startup_millis:.2f}s!")