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Adjust some behaviors for --rebuild-sepolicy 

1. system_ext or product may not be a standalone partition,
2. keep symbolic links in vendor image,
3. target-files package may not contain IMAGES folder.

Bug: 192422274
Change-Id: I77867408cc764abb975319a23c387ec63fcf87c3
(cherry picked from commit 0e4403e846)
This commit is contained in:
Po Hu 2021-07-06 17:05:56 +08:00 committed by Daniel Norman
parent 7d807fa484
commit 737b4c1e09
1 changed files with 12 additions and 2 deletions
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14
tools/releasetools/merge_target_files.py
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@ -1001,8 +1001,15 @@ def rebuild_image_with_sepolicy(target_files_dir,
# Copy the combined SEPolicy file and framework hashes to the image that is
# being rebuilt.
def copy_selinux_file(input_path, output_filename):
input_filename = os.path.join(target_files_dir, input_path)
if not os.path.exists(input_filename):
input_filename = input_filename.replace('SYSTEM_EXT/', 'SYSTEM/system_ext/') \
.replace('PRODUCT/', 'SYSTEM/product/')
if not os.path.exists(input_filename):
logger.info('Skipping copy_selinux_file for %s', input_filename)
return
shutil.copy(
os.path.join(target_files_dir, input_path),
input_filename,
os.path.join(target_files_dir, partition.upper(), 'etc/selinux',
output_filename))
@ -1042,7 +1049,8 @@ def rebuild_image_with_sepolicy(target_files_dir,
shutil.rmtree(os.path.join(vendor_target_files_dir, partition.upper()))
shutil.copytree(
os.path.join(target_files_dir, partition.upper()),
os.path.join(vendor_target_files_dir, partition.upper()))
os.path.join(vendor_target_files_dir, partition.upper()),
symlinks=True)
# Delete then rebuild the partition.
os.remove(os.path.join(vendor_target_files_dir, 'IMAGES', partition_img))
@ -1057,6 +1065,8 @@ def rebuild_image_with_sepolicy(target_files_dir,
common.RunAndCheckOutput(rebuild_partition_command, verbose=True)
# Move the newly-created image to the merged target files dir.
if not os.path.exists(os.path.join(target_files_dir, 'IMAGES')):
os.makedirs(os.path.join(target_files_dir, 'IMAGES'))
shutil.move(
os.path.join(vendor_target_files_dir, 'IMAGES', partition_img),
os.path.join(target_files_dir, 'IMAGES', partition_img))