/usr/share/doc/lzma/examples/deb-lzma is in lzma 9.22-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | #!/bin/bash -e
#
# Copyright (C) 2009 Robert Millan
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
usage ()
{
cat << EOF >&2
Usage: $0 file1.deb [file2.deb ...]
EOF
}
fix_control ()
{
local dir=$(mktemp -d)
trap "rm -rf ${dir}" 0
files=$(tar -C ${dir} -xzvf $1)
if grep -q "^Pre-Depends:" ${dir}/control ; then
sed -i ${dir}/control -e "s/^Pre-Depends: /&dpkg (>= 1.14.21), /"
else
echo "Pre-Depends: dpkg (>= 1.14.21)" >> ${dir}/control
fi
tar -C ${dir} -czf - ${files} > $1
rm -rf ${dir}
}
compress_deb ()
{
local dir=$(mktemp -d)
trap "rm -rf ${dir}" 0
deb="$(readlink -f $1)"
(cd ${dir} && ar -x "${deb}")
if test -e ${dir}/data.tar.lzma ; then
echo "${deb}: Already LZMA compressed." >&2
elif test -e ${dir}/data.tar.gz ; then
gzip -d < ${dir}/data.tar.gz | lzma -9 > ${dir}/data.tar.lzma
rm -f ${dir}/data.tar.gz
fix_control ${dir}/control.tar.gz
rm -f "${deb}"
(cd ${dir} && ar -r "${deb}" debian-binary control.tar.gz data.tar.lzma 2> /dev/null)
else
echo "${deb}: Only gzipped debs are supported." >&2
fi
rm -rf ${dir}
}
if [ "$1" = "" ] ; then
usage
exit 1
fi
case "$1" in
-h|--help)
usage
exit 0
;;
-*)
usage
exit 0
;;
esac
for i in $@ ; do
compress_deb "$i"
done
exit 0
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