now obtains Apple Silicon Device IDs.

installinstallmacos.py

@@ -67,11 +67,13 @@ SEED_CATALOGS_PLIST = (
 )
 
 
-def get_board_id():
-    """Gets the local system board ID"""
-    ioreg_cmd = ["/usr/sbin/ioreg", "-p", "IODeviceTree", "-r", "-n", "/", "-d", "1"]
+def get_device_id():
+    """Gets the local device ID on Apple Silicon Macs or the board_id of older Macs"""
+    ioreg_cmd = ["/usr/sbin/ioreg", "-c", "IOPlatformExpertDevice", "-d", "2"]
     try:
         ioreg_output = subprocess.check_output(ioreg_cmd).splitlines()
+        board_id = ""
+        device_id = ""
         for line in ioreg_output:
             line_decoded = line.decode("utf8")
             if "board-id" in line_decoded:
@@ -79,7 +81,18 @@ def get_board_id():
                 board_id = board_id[
                     board_id.find('<"') + 2 : board_id.find('">')  # noqa: E203
                 ]
-                return board_id
+            elif "compatible" in line_decoded:
+                device_details = line_decoded.split("<")[-1]
+                device_details = device_details[
+                    device_details.find("<")
+                    + 2 : device_details.find(">")  # noqa: E203
+                ]
+                device_id = (
+                    device_details.replace('","', ";").replace('"', "").split(";")[0]
+                )
+        if board_id:
+            device_id = ""
+        return board_id, device_id
     except subprocess.CalledProcessError as err:
         raise ReplicationError(err)
 
@@ -501,16 +514,16 @@ def get_board_ids(filename):
             # dist files for macOS 10.* list boardIDs whereas dist files for
             # macOS 11.* list supportedBoardIDs
             if "boardIds" in line:
-                supported_board_ids = line.lstrip("var boardIDs = ")
+                supported_board_ids = line.replace("var boardIDs = ", "")
             elif "supportedBoardIDs" in line:
-                supported_board_ids = line.lstrip("var supportedBoardIDs = ")
+                supported_board_ids = line.replace("var supportedBoardIDs = ", "")
                 return supported_board_ids
 
 
 def get_device_ids(filename):
     """Parses a softwareupdate dist file, returning a list of supported
-    Device IDs. These are used for identifying T2 chips in the dist files of macOS 11.*
-     - not checked in older builds"""
+    Device IDs. These are used for identifying T2 and Apple Silicon chips in the dist files of
+    macOS 11.* - not checked in older builds"""
     supported_device_ids = ""
     with open(filename) as search:
         for line in search:
@@ -518,7 +531,7 @@ def get_device_ids(filename):
                 line = line.decode("utf8")
             line = line.rstrip()  # remove '\n' at end of line
             if "supportedDeviceIDs" in line:
-                supported_device_ids = line.lstrip("var supportedDeviceIDs = ")
+                supported_device_ids = line.replace("var supportedDeviceIDs = ", "")
                 return supported_device_ids
 
 
@@ -817,7 +830,7 @@ def main():
 
     # show this Mac's info
     hw_model = get_hw_model()
-    board_id = get_board_id()
+    board_id, device_id = get_device_id()
     bridge_id = get_bridge_id()
     build_info = get_current_build_info()
     is_vm = is_a_vm()
@@ -825,9 +838,14 @@ def main():
     print("This Mac:")
     if is_vm is True:
         print("Identified as a Virtual Machine")
+    if hw_model:
         print("%-17s: %s" % ("Model Identifier", hw_model))
+    if bridge_id:
         print("%-17s: %s" % ("Bridge ID", bridge_id))
+    if board_id:
         print("%-17s: %s" % ("Board ID", board_id))
+    if device_id:
+        print("%-17s: %s" % ("Device ID", device_id))
     print("%-17s: %s" % ("OS Version", build_info[0]))
     print("%-17s: %s\n" % ("Build ID", build_info[1]))
 
@@ -905,10 +923,14 @@ def main():
             if board_id and product_info[product_id]["BoardIDs"]:
                 if board_id not in product_info[product_id]["BoardIDs"]:
                     not_valid = "Unsupported Board ID"
-            # if there's no Board ID there has to be a BridgeID:
+            # if there's no Board ID then try BridgeID (T2):
             elif bridge_id and product_info[product_id]["DeviceIDs"]:
                 if bridge_id not in product_info[product_id]["DeviceIDs"]:
                     not_valid = "Unsupported Bridge ID"
+            # if there's no BridgeID try DeviceID (Apple Silicon):
+            elif device_id and product_info[product_id]["DeviceIDs"]:
+                if device_id not in product_info[product_id]["DeviceIDs"]:
+                    not_valid = "Unsupported Device ID"
             # finally we fall back on ModelIdentifiers for T1 and older
             elif hw_model and product_info[product_id]["UnsupportedModels"]:
                 if hw_model in product_info[product_id]["UnsupportedModels"]: