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opkg-build: Add support for alternative compression schemes.

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Add -Z with the same semantics as dpkg-deb -Z:

Specify which compression type to use for data.tar member when building
the package. Allowed values are gzip, bzip2 and xz.
The default value is gzip.

Signed-off-by: Andrew Shadura <andrew.shadura@collabora.co.uk>
Signed-off-by: Alejandro del Castillo <alejandro.delcastillo@ni.com>
This commit is contained in:
Andrew Shadura
2016-10-05 14:24:02 +02:00
committed by Alejandro del Castillo
parent 4eaaf9f932
commit 1eddbee4b2
1 changed files with 28 additions and 6 deletions
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34
opkg-build
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@@ -167,6 +167,7 @@ ogargs=""
outer=ar
noclean=0
opkext=0
compressor=gzip
# Determine if tar supports the --format argument by checking the help output.
#
@@ -184,8 +185,26 @@ then
tarformat="--format=gnu"
fi
usage="Usage: $0 [-c] [-C] [-O] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
while getopts "cCg:ho:vO" opt; do
compressor_ext() {
case $1 in
gzip)
echo gz
;;
bzip2)
echo bz2
;;
xz)
echo xz
;;
*)
echo "*** Error: unsupported compression scheme: $1" >&2
exit 1
;;
esac
}
usage="Usage: $0 [-c] [-C] [-Z compressor] [-O] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
while getopts "cCg:ho:vOZ:" opt; do
case $opt in
o ) owner=$OPTARG
ogargs="--owner=$owner"
@@ -199,6 +218,8 @@ while getopts "cCg:ho:vO" opt; do
;;
C ) noclean=1
;;
Z ) compressor=$OPTARG
;;
v ) echo $version
exit 0
;;
@@ -211,6 +232,7 @@ while getopts "cCg:ho:vO" opt; do
esac
done
cext=$(compressor_ext $compressor)
shift $(($OPTIND - 1))
@@ -258,7 +280,7 @@ tmp_dir=$dest_dir/IPKG_BUILD.$$
mkdir $tmp_dir
echo $CONTROL > $tmp_dir/tarX
( cd $pkg_dir && tar $ogargs -X $tmp_dir/tarX -cz $tarformat -f $tmp_dir/data.tar.gz . )
( cd $pkg_dir && tar $ogargs -X $tmp_dir/tarX -c --$compressor $tarformat -f $tmp_dir/data.tar.$cext . )
( cd $pkg_dir/$CONTROL && tar $ogargs -cz $tarformat -f $tmp_dir/control.tar.gz . )
rm $tmp_dir/tarX
@@ -272,12 +294,12 @@ fi
rm -f $pkg_file
if [ "$outer" = "ar" ] ; then
( cd $tmp_dir && ar -crf $pkg_file ./debian-binary ./control.tar.gz ./data.tar.gz )
( cd $tmp_dir && ar -crf $pkg_file ./debian-binary ./control.tar.gz ./data.tar.$cext )
else
( cd $tmp_dir && tar -cz $tarformat -f $pkg_file ./debian-binary ./control.tar.gz ./data.tar.gz )
( cd $tmp_dir && tar -cz $tarformat -f $pkg_file ./debian-binary ./control.tar.gz ./data.tar.$cext )
fi
rm $tmp_dir/debian-binary $tmp_dir/data.tar.gz $tmp_dir/control.tar.gz
rm $tmp_dir/debian-binary $tmp_dir/data.tar.$cext $tmp_dir/control.tar.gz
rmdir $tmp_dir
echo "Packaged contents of $pkg_dir into $pkg_file"