fix: read apps from apps.txt

bench/app.py

@@ -421,6 +421,13 @@ def prune_app_directory(self):
 			remove_unused_node_modules(app_path)
 
 
+def add_to_appstxt(installed_apps, app, bench_path="."):
+	if app not in installed_apps:
+		installed_apps.append(app)
+		with open(os.path.join(bench_path, "sites", "apps.txt"), "w") as f:
+			f.write("\n".join(installed_apps))
+
+
 def coerce_url_to_name_if_possible(git_url: str, cache_key: str) -> str:
 	app_name = os.path.basename(git_url)
 	if can_get_cached(app_name, cache_key):
@@ -911,6 +918,8 @@ def install_app(
 			yarn_install += " --verbose"
 		bench.run(yarn_install, cwd=app_path)
 
+	add_to_appstxt(installed_apps=bench.apps.apps, app=app, bench_path=bench_path)
+
 	bench.apps.sync(app_name=app, required=resolution, branch=tag, app_dir=app_path)
 
 	if not skip_assets:

bench/bench.py

@@ -62,13 +62,13 @@ def __init__(self, path):
 		self.cwd = os.path.abspath(path)
 		self.exists = is_bench_directory(self.name)
 
+		self.apps_txt = os.path.join(self.name, "sites", "apps.txt")
+		self.excluded_apps_txt = os.path.join(self.name, "sites", "excluded_apps.txt")
+
 		self.setup = BenchSetup(self)
 		self.teardown = BenchTearDown(self)
 		self.apps = BenchApps(self)
 
-		self.apps_txt = os.path.join(self.name, "sites", "apps.txt")
-		self.excluded_apps_txt = os.path.join(self.name, "sites", "excluded_apps.txt")
-
 	@property
 	def python(self) -> str:
 		return get_env_cmd("python", bench_path=self.name)
@@ -274,11 +274,14 @@ def sync(
 
 	def initialize_apps(self):
 		try:
-			self.apps = [
-				x
-				for x in os.listdir(os.path.join(self.bench.name, "apps"))
-				if is_frappe_app(os.path.join(self.bench.name, "apps", x))
-			]
+			with open(self.bench.apps_txt) as f:
+				self.apps = [
+					app.strip()
+					for app in f.read().splitlines()
+					if len(app) > 0 and is_frappe_app(os.path.join(self.bench.name, "apps", app))
+				]
+
+			# FIXME: can be remove
 			self.apps.remove("frappe")
 			self.apps.insert(0, "frappe")
 		except FileNotFoundError: