tests/rm/one-file-system.sh

   1 #!/bin/sh
   2 # Demonstrate rm's new --one-file-system option.
   3
   4 # Copyright (C) 2006-2024 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ rm
  21 require_root_
  22
  23 cleanup_()
  24 {
  25   # When you take the undesirable shortcut of making /etc/mtab a link
  26   # to /proc/mounts, unmounting "$other_partition_tmpdir" would fail.
  27   # So, here we unmount a/b instead.
  28   umount a/b
  29   rm -rf "$other_partition_tmpdir"
  30 }
  31 . "$abs_srcdir/tests/other-fs-tmpdir"
  32
  33 t=$other_partition_tmpdir
  34 mkdir -p a/b $t/y
  35 mount --bind $t a/b \
  36   || skip_ "This test requires mount with a working --bind option."
  37
  38 cat <<\EOF > exp || framework_failure_
  39 rm: skipping 'a/b', since it's on a different device
  40 EOF
  41 returns_ 1 rm --one-file-system -rf a 2> out || fail=1
  42 test -d $t/y || fail=1
  43 compare exp out || fail=1
  44
  45 cat <<\EOF >> exp || framework_failure_
  46 rm: and --preserve-root=all is in effect
  47 EOF
  48 returns_ 1 rm --preserve-root=all -rf a/b 2>out || fail=1
  49 compare exp out || fail=1
  50
  51 Exit $fail