fbt: add fap_deploy target to build and copy all .fap apps to flipper (#2146)

* fbt: add `faps_copy` target to build and copy all .fap apps to flipper
* fbt: restore default runfap.py invocation behavior, use -n for copy only
* fbt: proper implementation of fap_deploy target

Co-authored-by: hedger <hedger@nanode.su>

scripts/fbt_tools/fbt_help.py

@@ -11,6 +11,8 @@ Building:
         Build all FAP apps
     fap_{APPID}, launch_app APPSRC={APPID}:
         Build FAP app with appid={APPID}; upload & start it over USB
+    fap_deploy:
+        Build and upload all FAP apps over USB
 
 Flashing & debugging:
     flash, flash_blackmagic, jflash:

scripts/runfap.py

@@ -15,6 +15,13 @@ import serial.tools.list_ports as list_ports
 class Main(App):
     def init(self):
         self.parser.add_argument("-p", "--port", help="CDC Port", default="auto")
+        self.parser.add_argument(
+            "-n",
+            "--no-launch",
+            dest="launch_app",
+            action="store_false",
+            help="Don't launch app",
+        )
 
         self.parser.add_argument("fap_src_path", help="App file to upload")
         self.parser.add_argument(
@@ -84,11 +91,14 @@ class Main(App):
                 self.logger.error(f"Error: upload failed: {storage.last_error}")
                 return -3
 
-            storage.send_and_wait_eol(f'loader open "Applications" {fap_dst_path}\r')
-            result = storage.read.until(storage.CLI_EOL)
-            if len(result):
-                self.logger.error(f"Unexpected response: {result.decode('ascii')}")
-                return -4
+            if self.args.launch_app:
+                storage.send_and_wait_eol(
+                    f'loader open "Applications" {fap_dst_path}\r'
+                )
+                result = storage.read.until(storage.CLI_EOL)
+                if len(result):
+                    self.logger.error(f"Unexpected response: {result.decode('ascii')}")
+                    return -4
 
             return 0
         finally: