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# Exercise du's new ability to handle bind-mount-induced dir cycles.
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# Copyright (C) 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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# When you take the undesirable shortcut of making /etc/mtab a link
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# to /proc/mounts, unmounting "$other_partition_tmpdir" would fail.
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# So, here we unmount a/b instead.
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mkdir -p a/b || framework_failure_
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|| skip_ "This test requires mount with a working --bind option."
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echo a > exp || framework_failure_
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echo "du: mount point 'a/b' already traversed" > exp-err || framework_failure_
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du a > out 2> err && fail=1
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sed 's/^[0-9][0-9]* //' out > k && mv k out
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compare exp-err err || fail=1
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compare exp out || fail=1