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#! /bin/sh
#
# opkhelper
# lib/archive
# Functions for handling archive files.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# 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/>.
oh_archive_extract_source()
{
_matches=$(echo ../${OH_SRCPKG}-${OH_PKGVER%-*}.tar.*)
if [ "${_matches}" = ../${OH_SRCPKG}-${OH_PKGVER%-*}.tar.\* ]; then
# No archive found.
return 1
fi
if [ -n "$(echo "${_matches}" | grep ' ')" ]; then
# Multiple archives found.
return 2
fi
# Detect the compression format.
# Note: dpkg's source format version 3 supports gzip, bzip2, LZMA, and XZ.
# We support gzip, bzip2, LZMA, and compress, since these are the formats
# supported by BusyBox tar.
_z_ext=${_matches#"../${OH_SRCPKG}-${OH_PKGVER%-*}.tar."}
case ${_z_ext} in
gz)
_z=z
;;
bz2)
_z=j
;;
lz)
_z=a
;;
Z)
_z=Z
;;
*)
return 3
;;
esac
_files=$(tar -t${_z}f ../${OH_SRCPKG}-${OH_PKGVER%-*}.tar.${_z_ext} | \
sed 's@^./@@' | grep '^[^/]*/$')
if [ -z "${_files}" ]; then
return 4
fi
if [ "$(echo "${_files}" | wc -l)" -ne 1 ]; then
return 5
fi
tar -x${_z}f ../${OH_SRCPKG}-${OH_PKGVER%-*}.tar.${_z_ext} || return 6
mv "${_files}" src || return 7
}
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