Add --offline flag

Allow working offline with pmbootstrap, as long as all packages that
are being used have already been downloaded.

pmb/chroot/apk.py

@@ -229,6 +229,8 @@ def install(args, packages, suffix="native", build=True):
                     ["add"] + packages,
                     ["del", ".pmbootstrap"]]
     for command in commands:
+        if args.offline:
+            command = ["--no-network"] + command
         pmb.chroot.root(args, ["apk", "--no-progress"] + command, suffix)
 
 

pmb/chroot/apk_static.py

@@ -181,4 +181,6 @@ def init(args):
 
 
 def run(args, parameters):
+    if args.offline:
+        parameters = ["--no-network"] + parameters
     pmb.helpers.run.root(args, [args.work + "/apk.static"] + parameters)

pmb/helpers/args.py

@@ -115,7 +115,8 @@ def add_cache(args):
                             "apk_min_version_checked": [],
                             "apk_repository_list_updated": [],
                             "built": {},
-                            "find_aport": {}})
+                            "find_aport": {},
+                            "offline_msg_shown": False})
 
 
 def add_deviceinfo(args):

pmb/helpers/repo.py

@@ -118,6 +118,13 @@ def update(args, arch=None, force=False, existing_only=False):
 
     :returns: True when files have been downloaded, False otherwise
     """
+    # Skip in offline mode, only show once
+    if args.offline:
+        if not args.cache["offline_msg_shown"]:
+            logging.info("NOTE: skipping package index update (offline mode)")
+        args.cache["offline_msg_shown"] = True
+        return False
+
     # Architectures and retention time
     architectures = [arch] if arch else pmb.config.build_device_architectures
     retention_hours = pmb.config.apkindex_retention_time

pmb/parse/arguments.py

@@ -281,6 +281,8 @@ def arguments():
                         " recommended, may screw up your work folders"
                         " directory permissions!)", dest="as_root",
                         action="store_true")
+    parser.add_argument("-o", "--offline", help="Do not attempt to update"
+                        " the package index files", action="store_true")
 
     # Compiler
     parser.add_argument("--ccache-disable", action="store_false",