tests/chgrp/basic

   1 #!/bin/sh
   2 # make sure chgrp is reasonable
   3
   4 # Copyright (C) 2000-2009 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 if test "$VERBOSE" = yes; then
  20   set -x
  21   chgrp --version
  22 fi
  23
  24 . $srcdir/test-lib.sh
  25 require_membership_in_two_groups_
  26
  27 fail=0
  28
  29 set _ $groups; shift
  30 g1=$1
  31 g2=$2
  32 mkdir d
  33 touch f f2 d/f3
  34 chgrp $g1 f || fail=1
  35 chgrp $g2 f || fail=1
  36 chgrp $g2 f2 || fail=1
  37 chgrp -R $g1 d || fail=1
  38
  39 d_files='d d/f3'
  40
  41 chgrp $g1 f || fail=1  ; test `stat --p=%g f` = $g1 || fail=1
  42 chgrp $g2 f || fail=1  ; test `stat --p=%g f` = $g2 || fail=1
  43 chgrp $g2 f || fail=1  ; test `stat --p=%g f` = $g2 || fail=1
  44 chgrp '' f  || fail=1  ; test `stat --p=%g f` = $g2 || fail=1
  45 chgrp $g1 f || fail=1  ; test `stat --p=%g f` = $g1 || fail=1
  46 chgrp $g1 f || fail=1  ; test `stat --p=%g f` = $g1 || fail=1
  47 chgrp --reference=f2 f ; test `stat --p=%g f` = $g2 || fail=1
  48
  49 chgrp -R $g2 d ||fail=1; test `stat --p=%g: $d_files` = "$g2:$g2:" || fail=1
  50 chgrp -R $g1 d ||fail=1; test `stat --p=%g: $d_files` = "$g1:$g1:" || fail=1
  51 chgrp -R $g2 d ||fail=1; test `stat --p=%g: $d_files` = "$g2:$g2:" || fail=1
  52 chgrp -R $g1 d ||fail=1; test `stat --p=%g: $d_files` = "$g1:$g1:" || fail=1
  53 chgrp $g2 d    ||fail=1; test `stat --p=%g: $d_files` = "$g2:$g1:" || fail=1
  54
  55 rm -f f
  56 touch f
  57 ln -s f symlink
  58 chgrp $g1 f
  59 test `stat --printf=%g f` = $g1 || fail=1
  60
  61 # This should not change the group of f.
  62 chgrp -h $g2 symlink
  63 test `stat --printf=%g f` = $g1 || fail=1
  64
  65 # Don't fail if chgrp failed to set the group of a symlink.
  66 # Some systems don't support that.
  67 test `stat --printf=%g symlink` = $g2 ||
  68   echo 'info: failed to set group of symlink' 1>&2
  69
  70 chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
  71
  72 # This *should* change the group of f.
  73 # Though note that the diagnostic is misleading in that
  74 # it says the `group of `symlink'' has been changed.
  75 chgrp $g1 symlink; test `stat --printf=%g f` = $g1 || fail=1
  76 chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
  77
  78 # If -R is specified without -H or L, -h is assumed.
  79 chgrp -h $g1 f symlink; test `stat --printf=%g symlink` = $g1 || fail=1
  80 chgrp -R $g2 symlink
  81 chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
  82
  83 # Make sure we can change the group of inaccessible files.
  84 chmod a-r f
  85 chown --from=:$g2 :$g1 f; test `stat --printf=%g f` = $g1 || fail=1
  86 chmod 0 f
  87 chown --from=:$g1 :$g2 f; test `stat --printf=%g f` = $g2 || fail=1
  88
  89 # chown() must not be optimized away even when
  90 # the file's owner and group already have the desired value.
  91 rm -f f g
  92 touch f g
  93 chgrp $g1 f g
  94 chgrp $g2 g
  95 sleep 1
  96 chgrp $g1 f
  97
  98 # The following no-change chgrp command is supposed to update f's ctime,
  99 # but on OpenBSD and Darwin 7.9.0-8.11.1 (aka MacOS X 10.3.9 - 10.4.11)
 100 # it appears to be a no-op for some file system types (at least NFS) so g's
 101 # ctime is more recent.  This is not a big deal;
 102 # this test works fine when the files are on a local file system (/tmp).
 103 chgrp '' f
 104 test "`ls -C -c -t f g`" = 'f  g' || \
 105   {
 106     case $host_triplet in
 107       *openbsd*) echo ignoring known OpenBSD-specific chgrp failure 1>&2 ;;
 108       *darwin7.9.*|*darwin8.*)
 109         echo ignoring known MacOS X-specific chgrp failure 1>&2 ;;
 110       *) echo $host_triplet: no-change chgrp failed to update ctime 1>&2;
 111             fail=1 ;;
 112     esac
 113   }
 114
 115 Exit $fail