part-rename

实战Linux编程的原代码,希望对学驱动的人能有所帮助

#!/bin/sh
# Moving a directory specified with a trailing slash from one partition to
# another, and giving it a different name at the destination would cause mv
# to get a failed assertion.

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

. $srcdir/setup
. $srcdir/../envvar-check

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

if test -z "$other_partition_tmpdir"; then
  (exit 77); exit
fi
t0="$t0 $other_partition_tmpdir"

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

if test $framework_failure = 1; then
  echo "$0: failure in testing framework" 1>&2
  (exit 1); exit
fi

fail=0

mv foo/ $other_partition_tmpdir/bar || fail=1

(exit $fail); exit