tests/mv/part-fail.sh

   1 #!/bin/sh
   2 # Make sure we give a sensible diagnostic when a cross-device 'mv'
   3 # fails, e.g., because the destination cannot be unlinked.
   4 # This is a bit fragile since it relies on the string used
   5 # for EPERM: 'permission denied'.
   6
   7 # Copyright (C) 2002-2024 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  23 print_ver_ mv
  24 skip_if_root_
  25 cleanup_() { t=$other_partition_tmpdir; chmod -R 700 "$t"; rm -rf "$t"; }
  26 . "$abs_srcdir/tests/other-fs-tmpdir"
  27
  28 touch k "$other_partition_tmpdir/k" || framework_failure_
  29 chmod u-w "$other_partition_tmpdir" || framework_failure_
  30
  31
  32 mv -f k "$other_partition_tmpdir" 2> out && fail=1
  33 printf \
  34 "mv: inter-device move failed: '%s' to '%s';"\
  35 ' unable to remove target: Permission denied\n' \
  36   k "$other_partition_tmpdir/k" >exp
  37
  38 # On some (less-compliant) systems, we get EPERM in this case.
  39 # Accept either diagnostic.
  40 cat <<EOF > exp2
  41 mv: cannot move 'k' to '$other_partition_tmpdir/k': Permission denied
  42 EOF
  43
  44 if cmp out exp >/dev/null 2>&1; then
  45   :
  46 else
  47   if cmp out exp2; then
  48     :
  49   else
  50     fail=1
  51   fi
  52 fi
  53 test $fail = 1 && compare exp out
  54
  55 Exit $fail