tests/cp/into-self

   1 #!/bin/sh
   2 # Confirm that copying a directory into itself gets a proper diagnostic.
   3
   4 # Copyright (C) 2001-2002, 2004, 2006-2012 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 # In 4.0.35 and earlier, 'mkdir dir && cp -R dir dir' would produce this:
  20 #   cp: won't create hard link 'dir/dir/dir' to directory ''
  21 # Now it gives this:
  22 #   cp: can't copy a directory 'dir' into itself 'dir/dir'
  23
  24 . "${srcdir=.}/init.sh"; path_prepend_ ../src
  25 print_ver_ cp
  26
  27 mkdir a dir || framework_failure_
  28
  29
  30 # This command should exit nonzero.
  31 cp -R dir dir 2> out && fail=1
  32 echo 1 >> out
  33
  34 # This should, too.  However, with coreutils-7.1 it would infloop.
  35 cp -rl dir dir 2>> out && fail=1
  36 echo 2 >> out
  37
  38 cp -rl a dir dir 2>> out && fail=1
  39 echo 3 >> out
  40 cp -rl a dir dir 2>> out && fail=1
  41 echo 4 >> out
  42
  43 cat > exp <<\EOF
  44 cp: cannot copy a directory, 'dir', into itself, 'dir/dir'
  45 1
  46 cp: cannot copy a directory, 'dir', into itself, 'dir/dir'
  47 2
  48 cp: cannot copy a directory, 'dir', into itself, 'dir/dir'
  49 3
  50 cp: cannot copy a directory, 'dir', into itself, 'dir/dir'
  51 4
  52 EOF
  53 #'
  54
  55 compare exp out || fail=1
  56
  57 Exit $fail