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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 "$0"`
INSTALL_SCRIPT_NAME=META-INF/com/android/update-script
function cleantmp
{
if [ ! -z "$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 <command> [command-options] <ota-file>"
echo " Where <command> is one of:"
echo " --dump"
echo " Dump a description of the ota file"
echo " --dump-script"
echo " Dumps the install script to standard out"
echo " --append-script <file> -o|--output <outfile>"
echo " Append the contents of <file> to the install script"
echo " --replace-script <file> -o|--output <outfile>"
echo " Replace the install script with the contents of <file>"
fail
}
if [ $# -lt 2 ]
then
usage
fi
CMD="$1"
shift
if [ "$CMD" = --dump ]
then
CMD_DUMP=1
UNPACK_FILE=1
elif [ "$CMD" = --dump-script ]
then
CMD_DUMP_SCRIPT=1
elif [ "$CMD" = --append-script ]
then
CMD_APPEND_SCRIPT=1
SCRIPT_FILE=$1
shift
NEEDS_SCRIPT_FILE=1
NEEDS_OUTPUT=1
elif [ "$CMD" = --replace-script ]
then
CMD_REPLACE_SCRIPT=1
SCRIPT_FILE=$1
shift
NEEDS_SCRIPT_FILE=1
NEEDS_OUTPUT=1
else
usage "Unknown command $CMD"
fi
if [ ! -z "$NEED_SCRIPT_FILE" ]
then
if [ -z "$SCRIPT_FILE" -o ! -f "$SCRIPT_FILE" ]
then
usage "$CMD requires a valid script file"
fi
fi
if [ ! -z "$NEEDS_OUTPUT" ]
then
if [ "x$1" != "x-o" -a "x$1" != "x--output" ]
then
usage "$CMD requires \"-o <file>\" or \"--output <file>\""
fi
shift
OUTFILE="$1"
shift
if [ -z "$OUTFILE" ]
then
usage "$CMD requires \"-o <file>\" or \"--output <file>\""
fi
if [ -d "$OUTFILE" ]
then
fail "Output file \"$OUTFILE\" is a directory"
fi
fi
FILE="$1"
if [ ! -f "$FILE" ]
then
fail "$FILE doesn't exist or isn't a file"
fi
if [ ! -z "$OUTFILE" -a "$FILE" -ef "$OUTFILE" ]
then
fail "Refusing to use the input file as the output file"
fi
if [ $CMD_DUMP_SCRIPT ]
then
unzip -p "$FILE" "$INSTALL_SCRIPT_NAME"
exit 0
fi
# Create a temporary directory for scratch files.
#
TMPDIR=`mktemp -d /tmp/$PROGNAME.XXXXXX`
if [ $? -ne 0 ]
then
TMPDIR=
fail "Can't create temporary directory"
fi
if [ $UNPACK_FILE ]
then
ROOTDIR="$TMPDIR/root"
mkdir -p "$ROOTDIR"
println "Unpacking `basename $FILE`..."
unzip -q -d "$ROOTDIR" "$FILE"
if [ $? -ne 0 ]
then
fail "Couldn't unpack $FILE"
fi
fi
if [ $CMD_DUMP ]
then
function dumpfile
{
echo "BEGIN `basename $1`"
cat "$1" | sed -e 's/^/ /'
echo "END `basename $1`"
}
echo Contents of root:
ls -1 "$ROOTDIR" | sed -e 's/^/ /'
echo
echo Contents of META-INF:
(cd "$ROOTDIR" && find META-INF -type f) | sed -e 's/^/ /'
echo
dumpfile "$ROOTDIR/META-INF/MANIFEST.MF"
echo
dumpfile "$ROOTDIR/$INSTALL_SCRIPT_NAME"
echo
dumpfile "$ROOTDIR/android-product.txt"
echo
dumpfile "$ROOTDIR/system/build.prop"
fi
if [ $CMD_APPEND_SCRIPT ]
then
TMPSCRIPT="$TMPDIR/script"
NEWSCRIPT="$TMPDIR/$INSTALL_SCRIPT_NAME"
unzip -p "$FILE" "$INSTALL_SCRIPT_NAME" > "$TMPSCRIPT"
if [ $? -ne 0 ]
then
fail "Couldn't extract $INSTALL_SCRIPT_NAME from $FILE"
fi
mkdir -p `dirname "$NEWSCRIPT"`
cat "$TMPSCRIPT" "$SCRIPT_FILE" > "$NEWSCRIPT"
OVERWRITE_SCRIPT=1
fi
if [ $CMD_REPLACE_SCRIPT ]
then
NEWSCRIPT="$TMPDIR/$INSTALL_SCRIPT_NAME"
mkdir -p `dirname "$NEWSCRIPT"`
cp "$SCRIPT_FILE" "$NEWSCRIPT"
OVERWRITE_SCRIPT=1
fi
if [ $OVERWRITE_SCRIPT ]
then
cp "$FILE" "$TMPDIR/outfile.zip"
(cd "$TMPDIR" && zip -qu outfile.zip "$INSTALL_SCRIPT_NAME")
if [ $? -ne 0 ]
then
fail "Couldn't add new $INSTALL_SCRIPT_NAME to output file"
fi
rm -f "$OUTFILE"
mkdir -p `dirname "$OUTFILE"`
mv "$TMPDIR/outfile.zip" "$OUTFILE"
fi
cleantmp
|
