From bb28e260c58c7c5408baf0e1e7eb574974cde654 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ciro=20Santilli=20=E5=85=AD=E5=9B=9B=E4=BA=8B=E4=BB=B6=20?=
 =?UTF-8?q?=E6=B3=95=E8=BD=AE=E5=8A=9F?= <ciro.santilli@gmail.com>
Date: Wed, 13 Mar 2019 00:00:00 +0000
Subject: [PATCH] common: add --force-rebuild option to build scripts

---
 common.py | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/common.py b/common.py
index dbd3173..ffb4507 100644
--- a/common.py
+++ b/common.py
@@ -1042,15 +1042,6 @@ lunch aosp_{}-eng
         os.makedirs(self.env['p9_dir'], exist_ok=True)
         os.makedirs(self.env['qemu_run_dir'], exist_ok=True)
 
-    @staticmethod
-    def need_rebuild(srcs, dst):
-        if not os.path.exists(dst):
-            return True
-        for src in srcs:
-            if os.path.getmtime(src) > os.path.getmtime(dst):
-                return True
-        return False
-
     @staticmethod
     def seconds_to_hms(seconds):
         '''
@@ -1175,6 +1166,11 @@ class BuildCliFunction(LkmcCliFunction):
             default=False,
             help='Clean the build instead of building.',
         ),
+        self.add_argument(
+            '--force-rebuild',
+            default=False,
+            help="Force rebuild even if sources didn't chage",
+        )
         self.add_argument(
             '-j',
             '--nproc',
@@ -1198,6 +1194,16 @@ class BuildCliFunction(LkmcCliFunction):
     def get_build_dir(self):
         return None
 
+    def need_rebuild(self, srcs, dst):
+        if self.env['force_rebuild']:
+            return True
+        if not os.path.exists(dst):
+            return True
+        for src in srcs:
+            if os.path.getmtime(src) > os.path.getmtime(dst):
+                return True
+        return False
+
     def timed_main(self):
         '''
         Parse CLI, and to the build based on it.