#!/bin/sh
# Test the -I option added to coreutils 6.0

# Copyright (C) 2006-2021 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 3 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, see <https://www.gnu.org/licenses/>.

. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ rm

mkdir -p dir1-1 dir2-1 dir2-2 || framework_failure_
touch file1-1 file2-1 file2-2 file2-3 file3-1 file3-2 file3-3 file3-4 \
  || framework_failure_
echo y > in-y || framework_failure_
echo n > in-n || framework_failure_
rm -f out err || framework_failure_


# The prompt has a trailing space, and no newline, so an extra
# 'echo .' is inserted after each rm to make it obvious what was asked.

echo 'one file, no recursion' > err || framework_failure_
rm -I file1-* < in-n >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -f file1-1 && fail=1

echo 'one file, read only, answer no' >> err || framework_failure_
if ls /dev/stdin >/dev/null 2>&1; then
  touch file1-1 || framework_failure_
  chmod a-w file1-1 || framework_failure_
  if ! test -w file1-1; then
    # root won't get prompted
    write_prot_msg1="rm: remove write-protected regular empty file 'file1-1'? "
  fi
  rm ---presume-input-tty -I file1-* < in-n >> out 2>> err || fail=1
  echo . >> err || framework_failure_
  if test "$write_prot_msg1"; then
    test -f file1-1 || fail=1
  fi
else
  echo '.' >> err || framework_failure_
fi

echo 'three files, no recursion' >> err || framework_failure_
rm -I file2-* < in-n >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -f file2-1 && fail=1
test -f file2-2 && fail=1
test -f file2-3 && fail=1

echo 'four files, no recursion, answer no' >> err || framework_failure_
rm -I file3-* < in-n >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -f file3-1 || fail=1
test -f file3-2 || fail=1
test -f file3-3 || fail=1
test -f file3-4 || fail=1

echo 'four files, no recursion, answer yes' >> err || framework_failure_
rm -I file3-* < in-y >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -f file3-1 && fail=1
test -f file3-2 && fail=1
test -f file3-3 && fail=1
test -f file3-4 && fail=1

echo 'four files, no recursion, 1 read only, answer yes no' >> err \
  || framework_failure_
if ls /dev/stdin >/dev/null 2>&1; then
  touch file3-1 file3-2 file3-3 file3-4 || framework_failure_
  echo non_empty > file3-4 || framework_failure_ # to shorten diagnostic
  chmod a-w file3-4 || framework_failure_
  if ! test -w file3-4; then
    # root won't get prompted
    write_prot_msg2="rm: remove write-protected regular file 'file3-4'? "
  fi
  cat in-y in-n | rm ---presume-input-tty -I file3-* >> out 2>> err || fail=1
  echo . >> err || framework_failure_
  test -f file3-1 && fail=1
  test -f file3-2 && fail=1
  test -f file3-3 && fail=1
  if test "$write_prot_msg2"; then
    test -f file3-4 || fail=1
  fi
else
  echo 'rm: remove 4 arguments? .' >> err || framework_failure_
fi

echo 'one file, recursion, answer no' >> err || framework_failure_
rm -I -R dir1-* < in-n >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -d dir1-1 || fail=1

echo 'one file, recursion, answer yes' >> err || framework_failure_
rm -I -R dir1-* < in-y >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -d dir1-1 && fail=1

echo 'multiple files, recursion, answer no' >> err || framework_failure_
rm -I -R dir2-* < in-n >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -d dir2-1 || fail=1
test -d dir2-2 || fail=1

echo 'multiple files, recursion, answer yes' >> err || framework_failure_
rm -I -R dir2-* < in-y >> out 2>> err || fail=1
echo . >> err || framework_failure_
test -d dir2-1 && fail=1
test -d dir2-2 && fail=1

cat <<EOF > experr || framework_failure_
one file, no recursion
.
one file, read only, answer no
$write_prot_msg1.
three files, no recursion
.
four files, no recursion, answer no
rm: remove 4 arguments? .
four files, no recursion, answer yes
rm: remove 4 arguments? .
four files, no recursion, 1 read only, answer yes no
rm: remove 4 arguments? $write_prot_msg2.
one file, recursion, answer no
rm: remove 1 argument recursively? .
one file, recursion, answer yes
rm: remove 1 argument recursively? .
multiple files, recursion, answer no
rm: remove 2 arguments recursively? .
multiple files, recursion, answer yes
rm: remove 2 arguments recursively? .
EOF

compare /dev/null out || fail=1
compare experr err || fail=1

Exit $fail
