Simpler build, less dependencies (#827)

* Simpler build, less dependencies
* Follow ugly python linter
* Introduce Brewfile & Update Readme
* Make dist.sh target-specific
* Tidy up make output
* Get rid of cat and truncate (I still love cats tho)
* Suppress dd output
* Long live the cat

scripts/meta.py

@@ -1,31 +1,58 @@
 #!/usr/bin/env python3
 
-import argparse
+from flipper.app import App
 import json
 
 
-class Main:
-    def __init__(self):
-        # parse CFLAGS
-        self.parser = argparse.ArgumentParser(allow_abbrev=False)
-        self.parser.add_argument("-p", dest="project", required=True)
-        self.parser.add_argument("-DBUILD_DATE", dest="build_date", required=True)
-        self.parser.add_argument("-DGIT_COMMIT", dest="commit", required=True)
-        self.parser.add_argument("-DGIT_BRANCH", dest="branch", required=True)
-        self.parser.add_argument("-DTARGET", dest="target", type=int, required=True)
+class Main(App):
+    def init(self):
+        self.subparsers = self.parser.add_subparsers(help="sub-command help")
 
-    def __call__(self):
-        self.args, _ = self.parser.parse_known_args()
+        # generate
+        self.parser_generate = self.subparsers.add_parser(
+            "generate", help="Generate JSON meta file"
+        )
+        self.parser_generate.add_argument("-p", dest="project", required=True)
+        self.parser_generate.add_argument(
+            "-DBUILD_DATE", dest="build_date", required=True
+        )
+        self.parser_generate.add_argument("-DGIT_COMMIT", dest="commit", required=True)
+        self.parser_generate.add_argument("-DGIT_BRANCH", dest="branch", required=True)
+        self.parser_generate.add_argument(
+            "-DTARGET", dest="target", type=int, required=True
+        )
+        self.parser_generate.set_defaults(func=self.generate)
 
+        # merge
+        self.parser_merge = self.subparsers.add_parser(
+            "merge", help="Merge JSON meta files"
+        )
+        self.parser_merge.add_argument(
+            "-i", dest="input", action="append", nargs="+", required=True
+        )
+        self.parser_merge.set_defaults(func=self.merge)
+
+    def generate(self):
         meta = {}
         for k, v in vars(self.args).items():
-            if k == "project":
+            if k == "project" or k == "func":
                 continue
             if isinstance(v, str):
                 v = v.strip('"')
             meta[self.args.project + "_" + k] = v
 
         print(json.dumps(meta, indent=4))
+        return 0
+
+    def merge(self):
+        full = {}
+        for path in self.args.input[0]:
+            with open(path, mode="r") as file:
+                dict = json.loads(file.read())
+                full |= dict
+
+        print(json.dumps(full, indent=4))
+        return 0
 
 
 if __name__ == "__main__":