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|
#!/bin/bash
#
# Copyright (C) 2007 The Android Open Source Project
#
# 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.
#
PROGNAME=`basename $0`
function cleantmp
{
if [ ! -z "$TMPDIR" ]
then
rm -rf "$TMPDIR"
TMPDIR=
fi
}
function println
{
if [ $# -gt 0 ]
then
echo "$PROGNAME: $@"
fi
}
function fail
{
println "$@"
cleantmp
exit 1
}
function usage
{
println "$@"
echo "Usage: $PROGNAME <input file> <output file>"
fail
}
OTATOOL=`which otatool`
if [ -z "$OTATOOL" ]
then
OTATOOL="`dirname $0`/otatool"
if [ ! -x "$OTATOOL" ]
then
fail "Can't find otatool"
fi
fi
if [ $# -ne 2 ]
then
usage
fi
INFILE="$1"
OUTFILE="$2"
if [ ! -f "$INFILE" ]
then
fail "$INFILE doesn't exist or isn't a file"
fi
if [ -z "$OUTFILE" ]
then
usage "Output file not specified"
fi
if [ -d "$OUTFILE" ]
then
usage "Output file may not be a directory"
fi
if [ "$INFILE" -ef "$OUTFILE" ]
then
fail "Refusing to use the input file as the output file"
fi
TMPDIR=`mktemp -d "/tmp/$PROGNAME.XXXXXX"`
if [ $? -ne 0 ]
then
TMPDIR=
fail "Can't create temporary directory"
fi
ORIGSCRIPT="$TMPDIR/orig"
NEWSCRIPT="$TMPDIR/new"
"$OTATOOL" --dump-script "$INFILE" |
awk '
{ print }
/^format SYSTEM:$/ {
print "delete_recursive DATA:"
}
' > "$NEWSCRIPT"
if [ $? -ne 0 ]
then
fail "Couldn't modify script"
fi
"$OTATOOL" --replace-script "$NEWSCRIPT" -o "$OUTFILE" "$INFILE"
if [ $? -ne 0 ]
then
fail "Couldn't replace script"
fi
cleantmp
|
