119 lines
2.0 KiB
Bash
Executable File
119 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2007 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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PROGNAME=`basename $0`
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function cleantmp
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{
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if [ ! -z "$TMPDIR" ]
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then
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rm -rf "$TMPDIR"
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TMPDIR=
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fi
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}
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function println
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{
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if [ $# -gt 0 ]
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then
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echo "$PROGNAME: $@"
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fi
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}
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function fail
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{
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println "$@"
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cleantmp
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exit 1
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}
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function usage
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{
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println "$@"
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echo "Usage: $PROGNAME <input file> <output file>"
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fail
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}
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OTATOOL=`which otatool`
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if [ -z "$OTATOOL" ]
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then
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OTATOOL="`dirname $0`/otatool"
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if [ ! -x "$OTATOOL" ]
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then
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fail "Can't find otatool"
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fi
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fi
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if [ $# -ne 2 ]
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then
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usage
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fi
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INFILE="$1"
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OUTFILE="$2"
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if [ ! -f "$INFILE" ]
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then
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fail "$INFILE doesn't exist or isn't a file"
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fi
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if [ -z "$OUTFILE" ]
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then
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usage "Output file not specified"
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fi
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if [ -d "$OUTFILE" ]
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then
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usage "Output file may not be a directory"
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fi
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if [ "$INFILE" -ef "$OUTFILE" ]
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then
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fail "Refusing to use the input file as the output file"
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fi
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TMPDIR=`mktemp -d "/tmp/$PROGNAME.XXXXXX"`
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if [ $? -ne 0 ]
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then
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TMPDIR=
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fail "Can't create temporary directory"
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fi
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ORIGSCRIPT="$TMPDIR/orig"
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NEWSCRIPT="$TMPDIR/new"
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"$OTATOOL" --dump-script "$INFILE" |
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awk '
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{ print }
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/^format SYSTEM:$/ {
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print "delete_recursive DATA:"
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}
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' > "$NEWSCRIPT"
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if [ $? -ne 0 ]
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then
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fail "Couldn't modify script"
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fi
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"$OTATOOL" --replace-script "$NEWSCRIPT" -o "$OUTFILE" "$INFILE"
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if [ $? -ne 0 ]
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then
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fail "Couldn't replace script"
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fi
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cleantmp
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