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#!/bin/sh
# - test that cabextract doesn't follow symlinks when extracting files
# (default behaviour) but does when given the -k option
# - also check that it doesn't delete symlinks in the path supplied by the
# user (-d option)
# - also check that the -n option stops overwriting files
. test/testcase
set -e # every command is a test!
# set up a symlinked file and symlinked directory
# extract $tmpdir/plain.c and $tmpdir/1/2/3/4.c
# check they did NOT get written to $tmpdir/other.c and $tmpdir/other/4.c
touch $tmpdir/other.c
mkdir $tmpdir/1 $tmpdir/1/2 $tmpdir/other
ln -s $tmpdir/other.c $tmpdir/plain.c
ln -s $tmpdir/other $tmpdir/1/2/3
"$cabextract" -q -d $tmpdir cabs/dir.cab
[ -s $tmpdir/plain.c -a \! -s $tmpdir/other.c ]
[ -s $tmpdir/1/2/3/4.c -a \! -s $tmpdir/other/4.c ]
# restore the symlinked file/dir
# extract again with -k option
# check they DID get written to $tmpdir/other.c and $tmpdir/other/3/4.c
rm -rf $tmpdir/1/2/3 $tmpdir/plain.c
ln -s $tmpdir/other.c $tmpdir/plain.c
ln -s $tmpdir/other $tmpdir/1/2/3
"$cabextract" -q -k -d $tmpdir cabs/dir.cab
[ -s $tmpdir/other.c -a -h $tmpdir/plain.c ]
[ -s $tmpdir/other/4.c -a -h $tmpdir/1/2/3 ]
# extract to a user-selected directory path that has symlinks in it.
# check that those symlinks are preserved, but symlinks in the parts
# of the path that are archive-controlled are removed
rm -rf $tmpdir/1 $tmpdir/other/4.c $tmpdir/other.c $tmpdir/plain.c
find $tmpdir -ls
touch $tmpdir/other.c
mkdir $tmpdir/real
ln -s $tmpdir/real $tmpdir/fake
mkdir $tmpdir/fake/dest $tmpdir/fake/dest/1 $tmpdir/fake/dest/1/2
ln -s $tmpdir/other $tmpdir/fake/dest/1/2/3
ln -s $tmpdir/other.c $tmpdir/plain.c
"$cabextract" -q -d $tmpdir/fake/dest cabs/dir.cab
[ -s $tmpdir/fake/dest/plain.c -a \! -s $tmpdir/other.c ]
[ -s $tmpdir/fake/dest/1/2/3/4.c -a \! -s $tmpdir/other/3/4.c ]
[ -h $tmpdir/fake -a -d $tmpdir/fake/dest ]
# check that -n option works
echo hello > $tmpdir/fake/dest/plain.c
echo world > $tmpdir/fake/dest/1/2/3/4.c
"$cabextract" -q -n -d $tmpdir/fake/dest cabs/dir.cab
read H < $tmpdir/fake/dest/plain.c
read W < $tmpdir/fake/dest/1/2/3/4.c
[ "$H" = "hello" -a "$W" = "world" ]
exit 0
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