6b13f685e
 김민수
BSP 최초 추가
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#!/bin/sh
candidate="$1"
tar=`which $candidate`
if [ ! -x "$tar" ]; then
tar=`which tar`
if [ ! -x "$tar" ]; then
# echo nothing: no suitable tar found
exit 1
fi
fi
# Output of 'tar --version' examples:
# tar (GNU tar) 1.15.1
# tar (GNU tar) 1.25
# bsdtar 2.8.3 - libarchive 2.8.3
version=`$tar --version | head -n 1 | sed 's/^.*\s\([0-9]\+\.\S\+\).*$/\1/'`
major=`echo "$version" | cut -d. -f1`
minor=`echo "$version" | cut -d. -f2`
bugfix=`echo "$version" | cut -d. -f3`
version_bsd=`$tar --version | grep 'bsdtar'`
if [ ! -z "${version_bsd}" ] ; then
# mark as invalid version - not all command line options are available
major=0
minor=0
fi
# Minimal version = 1.17 (previous versions do not correctly unpack archives
# containing hard-links if the --strip-components option is used).
major_min=1
minor_min=17
if [ $major -gt $major_min ]; then
echo $tar
else
if [ $major -eq $major_min -a $minor -ge $minor_min ]; then
echo $tar
else
# echo nothing: no suitable tar found
exit 1
fi
fi
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