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# prior to coreutils-4.5.3, du -D didn't work in some cases
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# Based on an example from Andreas Schwab and/or Michal Svec.
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# Also, up to coreutils-8.5, du -L sometimes incorrectly
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# counted the space of the followed symlinks.
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# Copyright (C) 2002-2012 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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mkdir -p a/sub || framework_failure_
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ln -s a/sub slink || framework_failure_
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touch b || framework_failure_
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ln -s .. a/sub/dotdot || framework_failure_
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ln -s nowhere dangle || framework_failure_
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# This used to fail with the following diagnostic:
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# du: 'b': No such file or directory
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du -sD slink b > /dev/null 2>&1 || fail=1
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# This used to fail to report the dangling symlink.
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du -L dangle > /dev/null 2>&1 && fail=1
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# du -L used to mess up, either by counting the symlink's disk space itself
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# (-L should follow symlinks, not count their space)
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# or (briefly in July 2010) by omitting the entry for "a".
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du_L_output=$(du -L a) || fail=1
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du_lL_output=$(du -lL a) || fail=1
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du_x_output=$(du --exclude=dotdot a) || fail=1
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test "X$du_L_output" = "X$du_x_output" || fail=1
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test "X$du_lL_output" = "X$du_x_output" || fail=1
added
removed
tests/du/deref.sh
