tests/rm/dangling-symlink.sh

   1 #!/bin/sh
   2 # rm should not prompt before removing a dangling symlink.
   3 # Likewise for a non-dangling symlink.
   4 # But for fileutils-4.1.9, it would do the former and
   5 # for fileutils-4.1.10 the latter.
   6
   7 # Copyright (C) 2002-2017 Free Software Foundation, Inc.
   8
   9 # This program is free software: you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation, either version 3 of the License, or
  12 # (at your option) any later version.
  13
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  21
  22 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  23 print_ver_ rm
  24
  25 ln -s no-file dangle
  26 ln -s / symlink
  27
  28 # Terminate any background processes
  29 cleanup_() { kill $pid 2>/dev/null && wait $pid; }
  30
  31 rm ---presume-input-tty dangle symlink & pid=$!
  32 # The buggy rm (fileutils-4.1.9) would hang here, waiting for input.
  33
  34 # Wait up to 6.3s for rm to remove the files
  35 check_files_removed() {
  36   local present=0
  37   sleep $1
  38   ls -l dangle > /dev/null 2>&1 && present=1
  39   ls -l symlink > /dev/null 2>&1 && present=1
  40   test $present = 0
  41 }
  42 retry_delay_ check_files_removed .1 6 || fail=1
  43
  44 cleanup_
  45
  46 Exit $fail