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# Unpack native or upstream source
#
# Copyright (C) 2012 Patrick McDermott
#
# This file is part of opkbuild.
#
# opkbuild 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.
#
# opkbuild 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 opkbuild. If not, see <http://www.gnu.org/licenses/>.
. "${LIBDATADIR}/libopkbuild.${SHSOEXT}.${LIBOPKBUILD_SHSOVERSION}"
upstream_ar_base=
upstream_ar=
upstream_ar_z=
upstream_ar_dir=
unpack_native()
{
ob_info "$(ob_get_msg 'unpacking_native')"
cp -Rp '../src' 'src' || ob_error "$(ob_get_msg 'cant_unpack_native')"
}
get_upstream_archive()
{
upstream_ar_base="${OPK_SOURCE}-${OPK_SOURCE_VERSION_UPSTREAM}.orig.tar"
upstream_ar="$(printf '%s ' "../${upstream_ar_base}"*)"
case "${upstream_ar}" in
"../${upstream_ar_base}*")
ob_info "$(ob_get_msg 'no_sources')"
return 1
;;
*' '*)
ob_error "$(ob_get_msg 'multiple_upstream_sources')"
;;
*)
return 0
;;
esac
}
get_upstream_compression()
{
z_ext="${upstream_ar#../${upstream_ar_base}}"
case "${z_ext}" in
'')
upstream_ar_z=''
;;
'.gz')
upstream_ar_z='z'
;;
'.bz2')
upstream_ar_z='j'
;;
'.lz')
upstream_ar_z='a'
;;
'.Z')
upstream_ar_z='Z'
;;
*)
ob_error "$(ob_get_msg 'unsupported_archive_compression')" \
"${z_ext}"
;;
esac
}
get_upstream_dir()
{
upstream_ar_dir="$(tar "-t${upstream_ar_z}f" "${upstream_ar}" | \
sed -n 's|^\(\./\)\{0,1\}\([^/]\{1,\}\).*$|\2|p' | sort | uniq)"
dir_count="$(wc -l <<-EOF
"${upstream_ar_dir}"
EOF
)"
case "${dir_count}" in
0)
ob_error "$(ob_get_msg 'no_upstream_dirs')"
;;
1)
;;
*)
ob_error "$(ob_get_msg 'multiple_top_upstream_dirs')"
esac
}
extract_upstream()
{
ob_info "$(ob_get_msg 'unpacking_upstream')"
tar "-x${upstream_ar_z}f" "${upstream_ar}" || \
ob_error "$(ob_get_msg 'cant_unpack_upstream')"
mv "${upstream_ar_dir}" 'src' || \
ob_error "$(ob_get_msg 'cant_move_native')"
}
unpack_upstream()
{
get_upstream_compression
get_upstream_dir
extract_upstream
}
main()
{
ob_set_text_domain 'opkbuild'
ob_init_package '..' || exit 1
ob_parse_package_metadata -c '.opkbuild.cache' || exit 1
if [ -d 'src' ]; then
ob_info "$(ob_get_msg 'already_unpacked')"
else
if [ -d '../src' ]; then
unpack_native
elif get_upstream_archive; then
unpack_upstream
fi
fi
}
main "${@}"
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