tests/mv/hard-4.sh

   1 #!/bin/sh
   2 # ensure that mv maintains a in this case: touch a; ln a b; mv a b
   3
   4 # Copyright (C) 2003-2017 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ mv
  21 touch a || framework_failure_
  22 ln a b || framework_failure_
  23
  24 # Between coreutils-5.0 and coreutils-8.24, 'a' would be removed.
  25 # Before coreutils-5.0.1 the issue would not have been diagnosed.
  26 # We don't emulate the rename(a,b) with unlink(a) as that would
  27 # introduce races with overlapping mv instances removing both links.
  28 mv a b 2>err && fail=1
  29 printf "mv: 'a' and 'b' are the same file\n" > exp
  30 compare exp err || fail=1
  31
  32 test -r a || fail=1
  33 test -r b || fail=1
  34
  35 # Make sure it works with --backup.
  36 mv --backup=simple a b || fail=1
  37 test -r a && fail=1
  38 test -r b || fail=1
  39 test -r b~ || fail=1
  40
  41 Exit $fail