Add feature to optionally apply patches to gateway code

lib/obp60task/extra_task.py

@@ -1,12 +1,21 @@
 # PlatformIO extra script for obp60task
 
+import subprocess
+
+patching = False
+
 epdtype = "unknown"
 pcbvers = "unknown"
 for x in env["BUILD_FLAGS"]:
-    if x.startswith("-D HARDWARE_"):
+    if not x.startswith('-D'):
+        continue
+    opt = x[2:].strip()
+    if opt.startswith("HARDWARE_"):
         pcbvers = x.split('_')[1]
-    if x.startswith("-D DISPLAY_"):
+    elif opt.startswith("DISPLAY_"):
         epdtype = x.split('_')[1]
+    elif opt == 'ENABLE_PATCHES':
+        patching = True
 
 propfilename = os.path.join(env["PROJECT_LIBDEPS_DIR"], env["PIOENV"], "GxEPD2/library.properties")
 properties = {}
@@ -28,3 +37,20 @@ except:
 env["CPPDEFINES"].extend([("BOARD", env["BOARD"]), ("EPDTYPE", epdtype), ("PCBVERS", pcbvers), ("GXEPD2VERS", gxepd2vers)])
 
 print("added hardware info to CPPDEFINES")
+
+if patching:
+    # apply patches to gateway code
+    print("applying gateway patches")
+    patchdir = os.path.join(os.path.dirname(script), "patches")
+    if not os.path.isdir(patchdir):
+        print("patchdir not found, no patches applied")
+    else:
+        patchfiles = [f for f in os.listdir(patchdir)]
+        for p in patchfiles:
+            patch = os.path.join(patchdir, p)
+            print(f"applying {patch}")
+            res = subprocess.run(["git", "apply", patch], capture_output=True, text=True)
+            if res.returncode != 0:
+                print(res.stderr)
+        else:
+            print("no patches found")