Add an argument to rootfs.py to preseed bootstrap with binary packages.

rootfs.py

@@ -60,6 +60,8 @@ def main():
     parser.add_argument("--no-create-config",
                         help="Do not automatically create config file",
                         action="store_true")
+    parser.add_argument("-r", "--repo",
+                        help="Path to prebuilt binary packages.", nargs=None)
 
     # QEMU arguments
     parser.add_argument("-q", "--qemu", help="Use QEMU",
@@ -137,7 +139,8 @@ print(shutil.which('chroot'))
                          create_disk_image=False)
         system_a.prepare(mount_tmpfs=True,
                          copy_sysc=True,
-                         create_initramfs=False)
+                         create_initramfs=False,
+                         repo_path=args.repo)
 
         # sysa
         arch = stage0_arch_map.get(args.arch, args.arch)

sysa.py

@@ -34,7 +34,7 @@ class SysA(SysGeneral):
         self.sysb_dir = sysb_dir
         self.sysc_tmp = sysc_tmp
 
-    def prepare(self, mount_tmpfs, copy_sysc, create_initramfs):
+    def prepare(self, mount_tmpfs, copy_sysc, create_initramfs, repo_path):
         """
         Prepare directory structure for System A.
         We create an empty tmp directory, unpack stage0-posix.
@@ -54,6 +54,10 @@ class SysA(SysGeneral):
         if copy_sysc:
             self.sysc()
 
+        if repo_path:
+            repo_dir = os.path.join(self.tmp_dir, 'usr', 'src', 'repo-preseeded')
+            shutil.copytree(repo_path, repo_dir)
+
         if create_initramfs:
             self.make_initramfs()