tests/mv/force.sh

   1 #!/bin/sh
   2 # move a file onto itself
   3
   4 # Copyright (C) 1999-2024 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 <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ mv
  21
  22 ff=mvforce
  23 ff2=mvforce2
  24
  25 echo force-contents > $ff || framework_failure_
  26 ln $ff $ff2 || framework_failure_
  27
  28 # mv should fail for the same name, or separate hardlinks as in
  29 # both cases rename() will do nothing and return success.
  30 # One could unlink(src) in the hardlink case, but that would
  31 # introduce races with overlapping mv instances removing both hardlinks.
  32
  33 for dest in $ff $ff2; do
  34   # This mv command should exit nonzero.
  35   mv $ff $dest > out 2>&1 && fail=1
  36
  37   printf "mv: '$ff' and '$dest' are the same file\n" > exp
  38   compare exp out || fail=1
  39
  40   test $(cat $ff) = force-contents || fail=1
  41 done
  42
  43 Exit $fail