tests/du/deref-args.sh

   1 #!/bin/sh
   2 # Ensure that --dereference-args (-D) gives reasonable names.
   3 # This test would fail for coreutils-5.0.91.
   4
   5 # Copyright (C) 2003-2019 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19
  20 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  21 print_ver_ du
  22
  23 mkdir -p dir/a || framework_failure_
  24 ln -s dir slink || framework_failure_
  25 printf %65536s x > 64k || framework_failure_
  26 ln -s 64k slink-to-64k || framework_failure_
  27
  28
  29 du -D slink | sed 's/^[0-9][0-9]*       //' > out
  30 # Ensure that the trailing slash is preserved and handled properly.
  31 du -D slink/ | sed 's/^[0-9][0-9]*      //' >> out
  32
  33 # Ensure that -D makes du dereference even symlinks to non-directories.
  34 # Be sure to use --apparent-size.  Otherwise, we'd get varying block counts
  35 # depending on file system type (e.g. 68 on ext3 vs. 64 on tmpfs and 72
  36 # on SELinux-enabled systems).
  37 du --apparent-size --block-size=1K -D slink-to-64k >> out
  38 cat <<\EOF > exp
  39 slink/a
  40 slink
  41 slink/a
  42 slink/
  43 64      slink-to-64k
  44 EOF
  45
  46 compare exp out || fail=1
  47
  48 Exit $fail