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55 lines
1.6 KiB
Bash
Executable File
55 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Ensure that hard-linked files are counted (and listed) only once.
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# Likewise for excluded directories.
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# Ensure that hard links _are_ listed twice when using --count-links.
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# Copyright (C) 2003, 2006-2007 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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if test "$VERBOSE" = yes; then
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set -x
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du --version
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fi
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. $srcdir/../lang-default
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. $srcdir/../test-lib.sh
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mkdir -p dir/sub
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( cd dir && { echo non-empty > f1; ln f1 f2; echo non-empty > sub/F; } )
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fail=0
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# Note that for this first test, we transform f1 or f2
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# (whichever name we find first) to f_. That is necessary because,
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# depending on the type of file system, du could encounter either of those
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# two hard-linked files first, thus listing that one and not the other.
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du -a --exclude=sub dir \
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| sed 's/^[0-9][0-9]* //' | sed 's/f[12]/f_/' > out || fail=1
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echo === >> out
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du -a --exclude=sub --count-links dir \
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| sed 's/^[0-9][0-9]* //' | sort -r >> out || fail=1
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cat <<\EOF > exp
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dir/f_
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dir
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===
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dir/f2
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dir/f1
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dir
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EOF
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compare out exp || fail=1
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(exit $fail); exit $fail
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