tests/ls/stat-free-symlinks

   1 #!/bin/sh
   2 # ensure that ls does not stat a symlink in an unusual case
   3
   4 # Copyright (C) 2007-2008 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   ls --version
  22 fi
  23
  24 . $srcdir/test-lib.sh
  25 require_strace_ stat
  26
  27 touch x || framework_failure
  28 chmod a+x x || framework_failure
  29 ln -s x link-to-x || framework_failure
  30
  31 fail=0
  32
  33 # ls from coreutils 6.9 would unnecessarily stat a symlink in an unusual case:
  34 # When not coloring orphan and missing entries, and without ln=target,
  35 # ensure that ls -F (or -d, or -l: i.e., when not dereferencing)
  36 # does not stat a symlink to directory, and does still color that
  37 # symlink and an executable file properly.
  38
  39 LS_COLORS='or=0:mi=0:ex=01;32:ln=01;35' \
  40   strace -qe stat ls -F --color=always x link-to-x > out 2> err || fail=1
  41
  42 # With coreutils 6.9 and earlier, this file would contain a
  43 # line showing ls had called stat on "x".
  44 grep '^stat("x"' err && fail=1
  45
  46 # Check that output is colorized, as requested, too.
  47 {
  48   printf '\033[0m\033[01;35mlink-to-x\033[0m@\n'
  49   printf '\033[01;32mx\033[0m*\n'
  50   printf '\033[m'
  51 } > exp || fail=1
  52
  53 compare out exp || fail=1
  54
  55 Exit $fail