''s

redroid.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 
 import argparse
+import os
 import subprocess
 
 from stuff.houdini import Houdini
@@ -13,6 +14,31 @@ import tools.helper as helper
 SUPPORTED_ANDROID_VERSIONS = ["13.0.0"]
 
 
+def ensure_base_image(container_runtime, android_version):
+    base_image = "redroid/redroid:{}-latest".format(android_version)
+    inspect = subprocess.run(
+        [container_runtime, "image", "inspect", base_image],
+        stdout=subprocess.DEVNULL,
+        stderr=subprocess.DEVNULL,
+        check=False,
+    )
+    if inspect.returncode == 0:
+        return "present"
+
+    tar_name = "redroid-redroid-{}-latest.tar".format(android_version)
+    tar_path = os.path.join(helper.get_image_dir(), tar_name)
+    if not os.path.isfile(tar_path):
+        raise FileNotFoundError(
+            "Base image {} is missing and offline archive {} was not found".format(
+                base_image,
+                tar_path,
+            )
+        )
+
+    subprocess.run([container_runtime, "load", "-i", tar_path], check=True)
+    return tar_path
+
+
 def build_layers(args):
     dockerfile = "FROM redroid/redroid:{}-latest\n".format(args.android)
     tags = [args.android]
@@ -103,6 +129,7 @@ def main():
     )
 
     args = parser.parse_args()
+    base_image_source = ensure_base_image(args.container, args.android)
     dockerfile, tags = build_layers(args)
 
     print("\nDockerfile\n{}".format(dockerfile))
@@ -115,6 +142,7 @@ def main():
         "Successfully built {}".format(image_name),
         helper.bcolors.GREEN,
     )
+    print("Base image source: {}".format(base_image_source))
 
     if args.houdini:
         print_recommended_flow(image_name)