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opkg-build: Add acls and xattrs support

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Add support for tar archives created with --acls and/or --xattrs options,
PAX header format.

GNU tar and libarchive already supports ACLs and extended attributes.
We can now add this support as well to opkg-build script in order to use
fsetattr or setcap inside do_install command and end up with a file in
an image with the relevant ACLS and xattrs.

Signed-off-by: Piotr Łobacz <p.lobacz@welotec.com>
Signed-off-by: Alex Stewart <alex.stewart@ni.com>
This commit is contained in:
Piotr Łobacz
2023-07-10 11:03:12 +02:00
committed by Alex Stewart
parent 67994e62dc
commit dc50e85ff1
1 changed files with 10 additions and 5 deletions
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15
opkg-build
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@@ -145,6 +145,7 @@ You probably want to chown these to a system user: " >&2
###
# opkg-build "main"
###
attributesargs=""
ogargs=""
outer=ar
noclean=0
@@ -166,7 +167,7 @@ compressorargs=""
tarformat=""
if tar --help 2>&1 | grep -- "--format" > /dev/null;
then
tarformat="--format=gnu"
tarformat="--format=posix"
fi
compressor_ext() {
@@ -197,13 +198,17 @@ compressor_ext() {
: <<=cut
=head1 SYNOPSIS
B<opkg-build> [B<-c>] [B<-C>] [B<-Z> I<compressor>] [B<-a>] [B<-O>] [B<-o> I<owner>] [B<-g> I<group>] I<pkg_directory> [I<destination_directory>]
B<opkg-build> [B<-A>] [B<-X>] [B<-c>] [B<-C>] [B<-Z> I<compressor>] [B<-a>] [B<-O>] [B<-o> I<owner>] [B<-g> I<group>] I<pkg_directory> [I<destination_directory>]
=cut
usage="Usage: $0 [-c] [-C] [-Z compressor] [-a compressor_args] [-O] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
while getopts "a:cCg:ho:vOZ:" opt; do
usage="Usage: $0 [-A] [-X] [-c] [-C] [-Z compressor] [-a compressor_args] [-O] [-o owner] [-g group] <pkg_directory> [<destination_directory>]"
while getopts "Aa:cCg:ho:vOXZ:" opt; do
case $opt in
A ) attributesargs="--acls"
;;
X ) attributesargs="$attributesargs --xattrs"
;;
o ) owner=$OPTARG
ogargs="--owner=$owner"
;;
@@ -314,7 +319,7 @@ export LANG=C
export LC_ALL=C
( cd $pkg_dir/$CONTROL && find . -type f | sort > $tmp_dir/control_list )
( cd $pkg_dir && find . -path ./$CONTROL -prune -o -path . -o -print | sort > $tmp_dir/file_list )
( cd $pkg_dir && tar $ogargs $tsortargs --no-recursion $mtime_args -c $tarformat -T $tmp_dir/file_list | $compressor $compressorargs > $tmp_dir/data.tar.$cext )
( cd $pkg_dir && tar $attributesargs $ogargs $tsortargs --no-recursion $mtime_args -c $tarformat -T $tmp_dir/file_list | $compressor $compressorargs > $tmp_dir/data.tar.$cext )
( cd $pkg_dir/$CONTROL && tar $ogargs $tsortargs --no-recursion --mtime=@$build_date -c $tarformat -T $tmp_dir/control_list | gzip $zipargs > $tmp_dir/control.tar.gz )
rm $tmp_dir/file_list
rm $tmp_dir/control_list