tests/chgrp/basic.sh

   1 #!/bin/sh
   2 # make sure chgrp is reasonable
   3
   4 # Copyright (C) 2000-2017 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_ chgrp
  21 require_membership_in_two_groups_
  22 require_local_dir_
  23
  24 set _ $groups; shift
  25 g1=$1
  26 g2=$2
  27 mkdir d
  28 touch f f2 d/f3
  29 chgrp $g1 f || fail=1
  30 chgrp $g2 f || fail=1
  31 chgrp $g2 f2 || fail=1
  32 chgrp -R $g1 d || fail=1
  33
  34 d_files='d d/f3'
  35
  36 chgrp $g1 f || fail=1  ; test $(stat --p=%g f) = $g1 || fail=1
  37 chgrp $g2 f || fail=1  ; test $(stat --p=%g f) = $g2 || fail=1
  38 chgrp $g2 f || fail=1  ; test $(stat --p=%g f) = $g2 || fail=1
  39 chgrp '' f  || fail=1  ; test $(stat --p=%g f) = $g2 || fail=1
  40 chgrp $g1 f || fail=1  ; test $(stat --p=%g f) = $g1 || fail=1
  41 chgrp $g1 f || fail=1  ; test $(stat --p=%g f) = $g1 || fail=1
  42 chgrp --reference=f2 f ; test $(stat --p=%g f) = $g2 || fail=1
  43
  44 chgrp -R $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g2:" || fail=1
  45 chgrp -R $g1 d ||fail=1; test $(stat --p=%g: $d_files) = "$g1:$g1:" || fail=1
  46 chgrp -R $g2 d ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g2:" || fail=1
  47 chgrp -R $g1 d ||fail=1; test $(stat --p=%g: $d_files) = "$g1:$g1:" || fail=1
  48 chgrp $g2 d    ||fail=1; test $(stat --p=%g: $d_files) = "$g2:$g1:" || fail=1
  49
  50 rm -f f
  51 touch f
  52 ln -s f symlink
  53 chgrp $g1 f
  54 test $(stat --printf=%g f) = $g1 || fail=1
  55
  56 # This should not change the group of f.
  57 chgrp -h $g2 symlink
  58 test $(stat --printf=%g f) = $g1 || fail=1
  59
  60 # Don't fail if chgrp failed to set the group of a symlink.
  61 # Some systems don't support that.
  62 test $(stat --printf=%g symlink) = $g2 ||
  63   echo 'info: failed to set group of symlink' 1>&2
  64
  65 chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
  66
  67 # This *should* change the group of f.
  68 # Though note that the diagnostic is misleading in that
  69 # it says the 'group of 'symlink'' has been changed.
  70 chgrp $g1 symlink; test $(stat --printf=%g f) = $g1 || fail=1
  71 chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
  72
  73 # If -R is specified without -H or L, -h is assumed.
  74 chgrp -h $g1 f symlink; test $(stat --printf=%g symlink) = $g1 || fail=1
  75 chgrp -R $g2 symlink
  76 chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
  77
  78 # Make sure we can change the group of inaccessible files.
  79 chmod a-r f
  80 chown --from=:$g2 :$g1 f; test $(stat --printf=%g f) = $g1 || fail=1
  81 chmod 0 f
  82 chown --from=:$g1 :$g2 f; test $(stat --printf=%g f) = $g2 || fail=1
  83
  84 # chown() must not be optimized away even when
  85 # the file's owner and group already have the desired value.
  86 rm -f f g
  87 touch f g
  88 chgrp $g1 f g
  89 chgrp $g2 g
  90 sleep 1
  91 chgrp $g1 f
  92
  93 # The following no-change chgrp command is supposed to update f's ctime,
  94 # but on OpenBSD and Darwin 7.9.0-8.11.1 (aka MacOS X 10.3.9 - 10.4.11)
  95 # it appears to be a no-op for some file system types (at least NFS) so g's
  96 # ctime is more recent.  This is not a big deal;
  97 # this test works fine when the files are on a local file system (/tmp).
  98 chgrp '' f
  99 test "$(ls -C -c -t f g)" = 'f  g' || \
 100   {
 101     case $host_triplet in
 102       *openbsd*) echo ignoring known OpenBSD-specific chgrp failure 1>&2 ;;
 103       *darwin7.9.*|*darwin8.*)
 104         echo ignoring known MacOS X-specific chgrp failure 1>&2 ;;
 105       *) echo $host_triplet: no-change chgrp failed to update ctime 1>&2;
 106             fail=1 ;;
 107     esac
 108   }
 109
 110 Exit $fail