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) 2007-2012 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_ ls
  21 require_strace_ stat
  22
  23 touch x || framework_failure_
  24 chmod a+x x || framework_failure_
  25 ln -s x link-to-x || framework_failure_
  26
  27
  28 # ls from coreutils 6.9 would unnecessarily stat a symlink in an unusual case:
  29 # When not coloring orphan and missing entries, and without ln=target,
  30 # ensure that ls -F (or -d, or -l: i.e., when not dereferencing)
  31 # does not stat a symlink to directory, and does still color that
  32 # symlink and an executable file properly.
  33
  34 LS_COLORS='or=0:mi=0:ex=01;32:ln=01;35' \
  35   strace -qe stat ls -F --color=always x link-to-x > out.tmp 2> err || fail
  36 # Elide info messages strace can send to stdout of the form:
  37 #   [ Process PID=1234 runs in 32 bit mode. ]
  38 sed '/Process PID=/d' out.tmp > out
  39
  40 # With coreutils 6.9 and earlier, this file would contain a
  41 # line showing ls had called stat on "x".
  42 grep '^stat("x"' err && fail=1
  43
  44 # Check that output is colorized, as requested, too.
  45 {
  46   printf '\033[0m\033[01;35mlink-to-x\033[0m@\n'
  47   printf '\033[01;32mx\033[0m*\n'
  48 } > exp || fail=1
  49
  50 compare exp out || fail=1
  51
  52 Exit $fail