tests/ln/hard-to-sym

   1 #!/bin/sh
   2 # Tests for ln -L/-P.
   3
   4 # Copyright (C) 2009-2012 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 . "${srcdir=.}/init.sh"; path_prepend_ ../src
  20 print_ver_ ln
  21
  22
  23 # ===================================================
  24 # ensure -s silently overrides -L, -P
  25 touch a || framework_failure_
  26 ln -L -s a symlink1 || fail=1
  27 ln -P -s symlink1 symlink2 || fail=1
  28 ln -s -L -P symlink2 symlink3 || fail=1
  29
  30 # ===================================================
  31 # ensure that -L follows symlinks, and overrides -P
  32 ln -P -L symlink3 hard-to-a || fail=1
  33 ls=`ls -lG hard-to-a`x
  34 case "$ls" in
  35   *'hard-to-ax') ;;
  36   *'hard-to-a -> '*x) fail=1 ;;
  37   *) framework_failure_ ;;
  38 esac
  39
  40 # ===================================================
  41 # ensure that -P links (or at least duplicates) symlinks, and overrides -L
  42 ln -L -P symlink3 hard-to-3 || fail=1
  43 ls=`ls -lG hard-to-3`x
  44 case "$ls" in
  45   *'hard-to-3 -> symlink2x') ;;
  46   *'hard-to-3x') fail=1 ;;
  47   *'hard-to-3 -> '*x) fail=1 ;;
  48   *) framework_failure_ ;;
  49 esac
  50
  51 # ===================================================
  52 # Create a hard link to a dangling symlink.
  53 ln -s /no-such-dir || framework_failure_
  54 ln -L no-such-dir hard-to-dangle 2>err && fail=1
  55 case `cat err` in
  56   *" accessing 'no-such-dir'":*) ;;
  57   *) fail=1 ;;
  58 esac
  59 ln -P no-such-dir hard-to-dangle || fail=1
  60
  61 # ===================================================
  62 # Create a hard link to a symlink to a directory.
  63 mkdir d || framework_failure_
  64 ln -s d link-to-dir || framework_failure_
  65 ln -L link-to-dir hard-to-dir-link 2>err && fail=1
  66 case `cat err` in
  67   *": 'link-to-dir': hard link not allowed for directory"*) ;;
  68   *) fail=1 ;;
  69 esac
  70 ln -P link-to-dir/ hard-to-dir-link 2>err && fail=1
  71 case `cat err` in
  72   *": 'link-to-dir/': hard link not allowed for directory"*) ;;
  73   *) fail=1 ;;
  74 esac
  75 ln -P link-to-dir hard-to-dir-link || fail=1
  76
  77 Exit $fail