utils/build: inject stage2 files when in stage2 mode

Author: liushuyu

acbs/main.py

@@ -250,7 +250,7 @@ def build_sequential(self, build_timings, packages):
                 install_from_repo(task.installables)
             start = time.monotonic()
             try:
-                invoke_autobuild(task, build_dir)
+                invoke_autobuild(task, build_dir, self.stage2)
                 check_artifact(task.name, build_dir)
             except Exception:
                 # early printing of build summary before exploding

acbs/utils.py

@@ -176,7 +176,7 @@ def check_artifact(name: str, build_dir: str):
         'STOP! Autobuild3 malfunction detected! Returned zero status with no artifact.')
 
 
-def invoke_autobuild(task: ACBSPackageInfo, build_dir: str):
+def invoke_autobuild(task: ACBSPackageInfo, build_dir: str, stage2: bool):
     dst_dir = os.path.join(build_dir, 'autobuild')
     if os.path.exists(dst_dir) and task.group_seq > 1:
         shutil.rmtree(dst_dir)
@@ -187,7 +187,8 @@ def invoke_autobuild(task: ACBSPackageInfo, build_dir: str):
     env_dict.update({'PKGREL': task.rel, 'PKGVER': task.version,
                      'PKGEPOCH': task.epoch or '0'})
     env_dict.update(task.exported)
-    with open(os.path.join(build_dir, 'autobuild', 'defines'), 'at') as f:
+    defines_file = 'defines.stage2' if stage2 else 'defines'
+    with open(os.path.join(build_dir, 'autobuild', defines_file), 'at') as f:
         f.write('\nPKGREL=\'{}\'\nPKGVER=\'{}\'\nif [ -f \'{}\' ];then source \'{}\' && abinfo "Injected ACBS definitions";fi\n'.format(
             task.rel, task.version, acbs_helper, acbs_helper))
         if task.epoch: