handle don't care regions in the system image
The system partitions has regions that we shouldn't write and can't depend on the contents of. Adds a new script to generate a map of these regions (using the sparse image as input), and include the map in the package zip so it can be used when writing or patching the system partition. Also fixes a bug where the wrong SELinux file contexts are used when generating incrementals. Change-Id: Iaca5b967a3b7d1df843c7c21becc19b3f1633dad
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@@ -27,6 +27,8 @@ import sys
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import commands
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import shutil
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import simg_map
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def RunCommand(cmd):
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""" Echo and run the given command
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@@ -146,6 +148,13 @@ def UnsparseImage(sparse_image_path, replace=True):
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return False, None
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return True, unsparse_image_path
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def MappedUnsparseImage(sparse_image_path, unsparse_image_path,
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map_path, mapped_unsparse_image_path):
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if simg_map.ComputeMap(sparse_image_path, unsparse_image_path,
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map_path, mapped_unsparse_image_path):
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return False
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return True
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def MakeVerityEnabledImage(out_file, prop_dict):
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"""Creates an image that is verifiable using dm-verity.
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