#!/bin/sh
# make sure du's --exclude option works

# Copyright (C) 2003, 2004, 2005 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
  du --version
fi

. $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

framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
mkdir -p a/b/c a/x/y a/u/v

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

fail=0

du --exclude=x a | sed 's/^[0-9][0-9]*	//' | sort > out || fail=1
printf '===\n' >> out
printf 'b\n' > excl
du --exclude-from=excl a | sed 's/^[0-9][0-9]*	//' | sort >> out || fail=1
printf '===\n' >> out
# Make sure that we can exclude an entire hierarchy.
du --exclude=a a >> out || fail=1
# Make sure that we can exclude based on more than one component.
# Before coreutils-5.3.0, this part would fail.
printf '===\n' >> out
du --exclude=a/u --exclude=a/b a \
  | sed 's/^[0-9][0-9]*	//' | sort >> out || fail=1
cat <<\EOF > exp
a
a/b
a/b/c
a/u
a/u/v
===
a
a/u
a/u/v
a/x
a/x/y
===
===
a
a/x
a/x/y
EOF

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

(exit $fail); exit $fail