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#!/bin/sh
# Ensure that mv prints the right diagnostic for a dir->dir move
# where the destination directory is not empty.

# Copyright (C) 2006 Free Software Foundation, Inc.

# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

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

. $srcdir/../envvar-check
. $srcdir/../lang-default

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

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

mkdir -p a/t b/t || framework_failure=1
touch a/t/f || framework_failure=1


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

fail=0

# Expect this to fail with the expected diagnostic.
# For an interrim (pre-6.0) release, it would give an erroneous
# diagnostic about moving one directory to a subdirectory of itself.
mv b/t a 2> out && fail=1

# Accept any of these: EEXIST, ENOTEMPTY, EBUSY.
sed             's/: File exists/: Directory not empty/'<out>o1;mv o1 out
sed 's/: Device or resource busy/: Directory not empty/'<out>o1;mv o1 out

cat <<\EOF > exp || fail=1
mv: cannot move `b/t' to `a/t': Directory not empty
EOF

cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null

(exit $fail); exit $fail