tests/du/inacc-dest.sh

   1 #!/bin/sh
   2 # Prior to coreutils-6.5, an inaccessible destination dir (chmod a-x)
   3 # would cause du to exit prematurely on systems with native openat support.
   4
   5 # Copyright (C) 2006-2019 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  21 print_ver_ du
  22 skip_if_root_
  23
  24 mkdir f && cd f && mkdir a b c d e && touch c/j && chmod a-x c \
  25     || framework_failure_
  26
  27 du > ../t 2>&1 && fail=1
  28
  29 # Accept either of the following outputs.
  30 # You get the first from a system with openat _emulation_ (via /proc),
  31 # the second from a system with native openat support.
  32 # FIXME: there may well be a third output, for systems with neither
  33 # /proc support, nor native openat support.
  34
  35 sed 's/^[0-9][0-9]*     //' ../t | sort -u > out
  36 cat <<\EOF > exp || framework_failure_
  37 .
  38 ./a
  39 ./b
  40 ./c
  41 ./d
  42 ./e
  43 du: cannot read directory './c': Permission denied
  44 EOF
  45
  46 # Map a diagnostic like this
  47 #   du: cannot access './c/j': Permission denied
  48 # to this:
  49 #   du: cannot access './c': Permission denied
  50 # And accept "cannot read directory" in place of "cannot access"
  51 sed "s,/c/j': ,/c': ," out > t && mv t out
  52 sed 's,cannot access,cannot read directory,' out > t && mv t out
  53
  54 compare exp out || fail=1
  55
  56 Exit $fail