special-bits

Linux下文件工具。

#!/bin/sh
# make sure `cp -p' preserves special bits
# This works only when run as root.

# This test would fail due to a bug introduced in 4.0y.
# The bug was fixed in 4.0z.

if test "$VERBOSE" = yes; then
  set -x
  cp --version
fi

PRIV_CHECK_ARG=require-root . $srcdir/../priv-check

pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp;tmp=$t0/$$
trap 'status=$?; cd $pwd; rm -rf $t0 && exit $status' 0
trap '(exit $?); exit' 1 2 13 15

framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1

touch a b || framework_failure=1
chmod u+sx,go= a || framework_failure=1
chmod u=rwx,g=sx,o= b || framework_failure=1

if test $framework_failure = 1; then
  echo 'failure in testing framework'
  exit 1
fi

fail=0

cp -p a a2 || fail=1
set _ `ls -l a`; shift; p1=$1
set _ `ls -l a2`; shift; p2=$1
test $p1 = $p2 || fail=1

cp -p b b2 || fail=1
set _ `ls -l b`; shift; p1=$1
set _ `ls -l b2`; shift; p2=$1
test $p1 = $p2 || fail=1

(exit $fail); exit