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#!/bin/bash
set -eu
# Copyright 2020 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Tool to unpack an apex file and verify that the required files were extracted.
if [ $# -lt 7 ]; then
echo "usage: $0 <deapaxer_path> <debugfs_path> <blkid_path> <fsck.erofs_path> <apex file> <output_dir> <required_files>+" >&2
exit 1
fi
DEAPEXER_PATH=$1
DEBUGFS_PATH=$2
BLKID_PATH=$3
FSCK_EROFS_PATH=$4
APEX_FILE=$5
OUTPUT_DIR=$6
shift 6
REQUIRED_PATHS=$@
rm -fr $OUTPUT_DIR
mkdir -p $OUTPUT_DIR
# Unpack the apex file contents.
$DEAPEXER_PATH --debugfs_path $DEBUGFS_PATH \
--blkid_path $BLKID_PATH \
--fsckerofs_path $FSCK_EROFS_PATH \
extract $APEX_FILE $OUTPUT_DIR
# Verify that the files that the build expects to be in the .apex file actually
# exist, and make sure they have a fresh mtime to not confuse ninja.
typeset -i FAILED=0
for r in $REQUIRED_PATHS; do
if [ ! -f $r ]; then
echo "Required file $r not present in apex $APEX_FILE" >&2
FAILED=$FAILED+1
else
# TODO(http:/b/177646343) - deapexer extracts the files with a timestamp of 1 Jan 1970.
# touch the file so that ninja knows it has changed.
touch $r
fi
done
if [ $FAILED -gt 0 ]; then
echo "$FAILED required files were missing from $APEX_FILE" >&2
echo "Available files are:" >&2
find $OUTPUT_DIR -type f | sed "s|^| |" >&2
exit 1
fi
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