tests/cp/parent-perm.sh

   1 #!/bin/sh
   2 # Ensure that cp --parents works properly with a preexisting dest. directory
   3
   4 # Copyright (C) 2008-2023 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_ cp
  21
  22 working_umask_or_skip_
  23 # cp -p gives ENOTSUP on NFS on Linux 2.6.9 at least
  24 require_local_dir_
  25
  26 mkdir -p a/b/c a/b/d e || framework_failure_
  27 touch a/b/c/foo a/b/d/foo || framework_failure_
  28 cp -p --parent a/b/c/foo e || framework_failure_
  29
  30 # Make permissions of e/a different, so that we exercise the
  31 # code in cp -p --parents that propagates permissions even
  32 # to a destination directory that it doesn't create.
  33 chmod g-rx e/a e/a/b || framework_failure_
  34
  35 cp -p --parent a/b/d/foo e || fail=1
  36
  37 # Ensure that permissions on just-created directory, e/a/,
  38 # are the same as those on original, a/.
  39
  40 # The sed filter maps any 's' from an inherited set-GID bit
  41 # to the usual 'x'.  Otherwise, under unusual circumstances, this
  42 # test would fail with e.g., drwxr-sr-x != drwxr-xr-x .
  43 # For reference, the unusual circumstances is: build dir is set-gid,
  44 # so "a/" inherits that.  However, when the user does not belong to
  45 # the group of the build directory, chmod ("a/e", 02755) returns 0,
  46 # yet fails to set the S_ISGID bit.
  47 for dir in a a/b a/b/d; do
  48   test $(stat --printf %A $dir|sed s/s/x/g) \
  49      = $(stat --printf %A e/$dir|sed s/s/x/g) ||
  50   fail=1
  51 done
  52
  53 Exit $fail