tests/mv/childproof.sh

   1 #!/bin/sh
   2 # Ensure that cp/mv/ln don't clobber a just-copied/moved/linked file.
   3 # With fileutils-4.1 and earlier, this test would fail for cp and mv.
   4 # With coreutils-6.9 and earlier, this test would fail for ln.
   5
   6 # Copyright (C) 2001-2013 Free Software Foundation, Inc.
   7
   8 # This program is free software: you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  22 print_ver_ cp mv ln
  23
  24 skip_if_root_
  25
  26 mkdir a b c || framework_failure_
  27 echo a > a/f || framework_failure_
  28 echo b > b/f || framework_failure_
  29
  30
  31 cp a/f b/f c 2> /dev/null && fail=1
  32 test -f a/f || fail=1
  33 test -f b/f || fail=1
  34 test -f c/f || fail=1
  35 test "$(cat c/f)" = a || fail=1
  36 rm -f c/f
  37
  38 # With --backup=numbered, it should succeed
  39 cp --backup=numbered a/f b/f c || fail=1
  40 test -f a/f || fail=1
  41 test -f b/f || fail=1
  42 test -f c/f || fail=1
  43 test -f c/f.~1~ || fail=1
  44 rm -f c/f*
  45
  46 mv a/f b/f c 2> /dev/null && fail=1
  47 test -f a/f && fail=1
  48 test -f b/f || fail=1
  49 test -f c/f || fail=1
  50 test "$(cat c/f)" = a || fail=1
  51
  52 # Make sure mv still works when moving hard links.
  53 # This is where the same_file test is necessary, and why
  54 # we save file names in addition to dev/ino.
  55 rm -f c/f* b/f
  56 touch a/f
  57 ln a/f b/g
  58 mv a/f b/g c || fail=1
  59 test -f a/f && fail=1
  60 test -f b/g && fail=1
  61 test -f c/f || fail=1
  62 test -f c/g || fail=1
  63
  64 touch a/f b/f b/g
  65 mv a/f b/f b/g c 2> /dev/null && fail=1
  66 test -f a/f && fail=1  # a/f should have been moved
  67 test -f b/f || fail=1  # b/f should remain
  68 test -f b/g && fail=1  # b/g should have been moved
  69 test -f c/f || fail=1
  70 test -f c/g || fail=1
  71
  72 # Test ln -f.
  73
  74 rm -f a/f b/f c/f
  75 echo a > a/f || fail=1
  76 echo b > b/f || fail=1
  77 ln -f a/f b/f c 2> /dev/null && fail=1
  78 # a/f and c/f must be linked
  79 test $(stat --format %i a/f) = $(stat --format %i c/f) || fail=1
  80 # b/f and c/f must not be linked
  81 test $(stat --format %i b/f) = $(stat --format %i c/f) && fail=1
  82
  83 Exit $fail