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|
#!/bin/bash
NO_CLEAN=0
STATEDIR=0
UNPACK_ONLY=0
HELP=0
APPEND=1
DONE=0
while [ $DONE = 0 ]
do
case "$1" in
--append-args )
APPEND=1
shift
;;
--help )
HELP=1
shift
;;
--no-clean )
NO_CLEAN=1
shift
;;
--prepend-args )
APPEND=0
shift
;;
--really-clean )
NO_CLEAN=0
shift
;;
--statedir )
STATEDIR=1
NO_CLEAN=1
shift
;;
--unpack )
UNPACK_ONLY=1
shift
;;
* )
DONE=1
;;
esac
done
if ( [ $UNPACK_ONLY = 0 ] && [ "$#" -lt 1 ] ) ||
( [ $UNPACK_ONLY = 1 ] && [ "$#" -ne 1 ] ) ||
[ $HELP = 1 ]
then
echo "Usage: $0 [options] <input-file> [<program> [arguments ...]]"
echo
echo "This command will unpack the given archive of aptitude state"
echo "information, then invoke the given program with the given"
echo "list of arguments, passing appropriate -o options to cause"
echo "aptitude to use the contents of that archive as its global"
echo "data store."
echo
echo "Options:"
echo " --append-args Place the generated arguments at the end of"
echo " the command line (default)."
echo " --help Display this message and exit."
echo " --no-clean Do not remove the temporary directory after"
echo " invoking aptitude."
echo " --prepend-args Place the generated arguments at the beginning"
echo " of the command line."
echo " --really-clean Remove the state directory, even if --statedir"
echo " was passed as an argument."
echo " --statedir The <input-file> is an unpacked aptitude bundle,"
echo " not a bundle file; implicitly sets --no-clean."
echo " --unpack Just unpack the <input-file>, don't run aptitude."
exit 1
fi
INPUTFILE="$1"
shift
if [ "$#" -lt 1 ]
then
PROGRAM=aptitude
else
PROGRAM="$1"
shift
fi
if [ $STATEDIR = 0 ]
then
tempdir=$(mktemp -p ${TMPDIR:-/tmp} -d aptitudebug.XXXXXXXXX) || exit 1
if [ -z "$tempdir" ]
then
exit 1
fi
else
tempdir=$INPUTFILE
fi
trap '
if [ $NO_CLEAN = 1 ]
then echo "Leaving final state in $tempdir"
else echo "Removing $tempdir"; rm -fr $tempdir
fi' 0
if [ $STATEDIR = 0 ]
then
if [ -d "$INPUTFILE" ]
then
echo "Can't use $INPUTFILE as the input bundle: it's a directory."
exit 1
fi
if ! [ -f "$INPUTFILE" ]
then
echo "Can't use $INPUTFILE as the input bundle: file not found."
exit 1
fi
if file "$INPUTFILE" | grep bzip2 2>/dev/null > /dev/null
then
DECOMPRESSOR=bunzip2
else
DECOMPRESSOR=gunzip
fi
($DECOMPRESSOR -c < "$INPUTFILE") | (cd "$tempdir" && tar x) || exit 1
fi
if [ $UNPACK_ONLY = 1 ]
then
exit 0
fi
if [ "$APPEND" = 1 ]
then
"$PROGRAM" "$@" -o "Dir=$tempdir" -o "Dir::State::status=$tempdir/var/lib/dpkg/status"
else
"$PROGRAM" -o "Dir=$tempdir" -o "Dir::State::status=$tempdir/var/lib/dpkg/status" "$@"
fi
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