71 lines
3.1 KiB
Python
71 lines
3.1 KiB
Python
# Copyright 2021 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import pmb.flasher
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import pmb.chroot.initfs
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def check_partition_blacklist(args, key, value):
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if not key.startswith("$PARTITION_"):
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return
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name = args.deviceinfo["name"]
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if value in args.deviceinfo["partition_blacklist"].split(","):
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raise RuntimeError("'" + value + "'" + " partition is blacklisted " +
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"from being flashed! See the " + name + " device " +
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"wiki page for more information.")
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def run(args, action, flavor=None):
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pmb.flasher.init(args)
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# Verify action
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method = args.flash_method or args.deviceinfo["flash_method"]
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cfg = pmb.config.flashers[method]
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if action not in cfg["actions"]:
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raise RuntimeError("action " + action + " is not"
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" configured for method " + method + "!"
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" You can use the '--method' option to specify a"
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" different flash method. See also:"
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" <https://wiki.postmarketos.org/wiki/"
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"Deviceinfo_flash_methods>")
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# Variable setup
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vars = pmb.flasher.variables(args, flavor, method)
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# vbmeta flasher requires vbmeta partition to be explicitly specified
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if action == "flash_vbmeta" and not vars["$PARTITION_VBMETA"]:
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raise RuntimeError("Your device does not have 'vbmeta' partition"
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" specified; set"
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" 'deviceinfo_flash_fastboot_partition_vbmeta'"
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" or 'deviceinfo_flash_heimdall_partition_vbmeta'"
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" in deviceinfo file. See also:"
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" <https://wiki.postmarketos.org/wiki/"
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"Deviceinfo_reference>")
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# dtbo flasher requires dtbo partition to be explicitly specified
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if action == "flash_dtbo" and not vars["$PARTITION_DTBO"]:
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raise RuntimeError("Your device does not have 'dtbo' partition"
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" specified; set"
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" 'deviceinfo_flash_fastboot_partition_dtbo'"
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" in deviceinfo file. See also:"
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" <https://wiki.postmarketos.org/wiki/"
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"Deviceinfo_reference>")
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# Run the commands of each action
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for command in cfg["actions"][action]:
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# Variable replacement
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for key, value in vars.items():
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for i in range(len(command)):
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if key in command[i]:
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if value is None:
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raise RuntimeError(f"Variable {key} found in action"
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f" {action} for method {method},"
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" but the value for this variable"
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" is None! Is that missing in your"
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" deviceinfo?")
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check_partition_blacklist(args, key, value)
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command[i] = command[i].replace(key, value)
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# Run the action
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pmb.chroot.root(args, command, output="interactive")
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