diff options
Diffstat (limited to 'tests/du/deref.sh')
| -rwxr-xr-x | tests/du/deref.sh | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/du/deref.sh b/tests/du/deref.sh new file mode 100755 index 0000000..aca3cb5 --- /dev/null +++ b/tests/du/deref.sh @@ -0,0 +1,48 @@ +#!/bin/sh +# prior to coreutils-4.5.3, du -D didn't work in some cases +# Based on an example from Andreas Schwab and/or Michal Svec. +# Also, up to coreutils-8.5, du -L sometimes incorrectly +# counted the space of the followed symlinks. + +# Copyright (C) 2002-2016 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ du + +mkdir -p a/sub || framework_failure_ +ln -s a/sub slink || framework_failure_ +touch b || framework_failure_ +ln -s .. a/sub/dotdot || framework_failure_ +ln -s nowhere dangle || framework_failure_ + + +# This used to fail with the following diagnostic: +# du: 'b': No such file or directory +du -sD slink b > /dev/null 2>&1 || fail=1 + +# This used to fail to report the dangling symlink. +returns_ 1 du -L dangle > /dev/null 2>&1 || fail=1 + +# du -L used to mess up, either by counting the symlink's disk space itself +# (-L should follow symlinks, not count their space) +# or (briefly in July 2010) by omitting the entry for "a". +du_L_output=$(du -L a) || fail=1 +du_lL_output=$(du -lL a) || fail=1 +du_x_output=$(du --exclude=dotdot a) || fail=1 +test "X$du_L_output" = "X$du_x_output" || fail=1 +test "X$du_lL_output" = "X$du_x_output" || fail=1 + +Exit $fail |