fbt: reproducible manifest builds & improvements (#1801)

* fbt: reproducible manifest builds, less rebuild on small updates; scripts: assets: using timestamp from commandline af available
* fbt: added app import validation for launch_app & single app build targets
* fbt: COMSTR for app imports validation
* docs: minor fixes
* docs: markdown fix
* vscode: comments for RTOS startup

Co-authored-by: あく <alleteam@gmail.com>

scripts/assets.py

@@ -39,6 +39,13 @@ class Main(App):
             "manifest", help="Create directory Manifest"
         )
         self.parser_manifest.add_argument("local_path", help="local_path")
+        self.parser_manifest.add_argument(
+            "--timestamp",
+            help="timestamp value to embed",
+            default=0,
+            type=int,
+            required=False,
+        )
         self.parser_manifest.set_defaults(func=self.manifest)
 
         self.parser_copro = self.subparsers.add_parser(
@@ -213,7 +220,7 @@ class Main(App):
         self.logger.info(
             f'Creating temporary Manifest for directory "{directory_path}"'
         )
-        new_manifest = Manifest()
+        new_manifest = Manifest(self.args.timestamp)
         new_manifest.create(directory_path)
 
         self.logger.info(f"Comparing new manifest with existing")

scripts/flipper/assets/manifest.py

@@ -106,11 +106,11 @@ addManifestRecord(ManifestRecordFile)
 
 
 class Manifest:
-    def __init__(self):
+    def __init__(self, timestamp_value=None):
         self.version = None
         self.records = []
         self.records.append(ManifestRecordVersion(MANIFEST_VERSION))
-        self.records.append(ManifestRecordTimestamp(timestamp()))
+        self.records.append(ManifestRecordTimestamp(timestamp_value or timestamp()))
         self.logger = logging.getLogger(self.__class__.__name__)
 
     def load(self, filename):