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21b5147fd8
* Makefile.am (SUBDIRS): Remove 'tests'. (include): The '$(top_srcdir)/tests/local.mk' file. (check-root): Remove this convenience target, it's no longer needed now that the "real" check-root target once in 'tests/Makefile' will land in the top-level makefile. * configure.ac (AC_CONFIG_FILES): Remove 'tests/Makefile'. * tests/Makefile.am: Rename ... * tests/local.mk: ... like this, with a lot of adjustments. * tests/init.cfg: Move ... * init.cfg: ... here. This is necessary, for a limitation of the gnulib-provided 'tests/init.sh', which unconditionally look for 'init.cfg' in the $(srcdir) directory. * tests/*/*.sh: Adjust: expect init.sh to be in '$srcdir/tests', not in '$srcdir', and extend $PATH with './src', not with '../src'. * tests/Coreutils.pm: Adjust similarly. * tests/pr/pr-tests.pl ($pfx): Likewise.
73 lines
2.3 KiB
Bash
Executable File
73 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# Use du to exercise a corner of fts's FTS_LOGICAL code.
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# Show that du fails with ELOOP (Too many levels of symbolic links)
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# when it encounters that condition.
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# Copyright (C) 2006-2012 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ du
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# Create lots of directories, each containing a single symlink
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# pointing at the next directory in the list.
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# This number should be larger than the number of symlinks allowed in
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# file name resolution, but not too large as a number of entries
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# in a single directory.
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n=400
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dir_list=$(seq $n)
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mkdir $dir_list || framework_failure_
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file=1
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i_minus_1=0
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for i in $dir_list $(expr $n + 1); do
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case $i_minus_1 in
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0) ;;
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*)
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ln -s ../$i $i_minus_1/s || framework_failure_
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file=$file/s;;
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esac
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i_minus_1=$i
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done
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echo foo > $i
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# If a system can handle this many symlinks in a file name,
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# just skip this test.
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# The following also serves to record in 'err' the string
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# corresponding to strerror (ELOOP). This is necessary because while
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# Linux/libc gives 'Too many levels of symbolic links', Solaris
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# renders it as "Number of symbolic links encountered during path
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# name traversal exceeds MAXSYMLINKS".
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cat $file > /dev/null 2> err &&
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skip_ 'Your system appears to be able to handle more than $n symlinks
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in file name resolution'
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too_many=$(sed 's/.*: //' err)
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# With coreutils-5.93 there was no failure.
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# With coreutils-5.94 we get the desired diagnostic:
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# du: cannot access '1/s/s/s/.../s': Too many levels of symbolic links
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du -L 1 > /dev/null 2> out1 && fail=1
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sed "s, .1/s/s/s/[/s]*',," out1 > out || fail=1
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echo "du: cannot access: $too_many" > exp || fail=1
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compare exp out || fail=1
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Exit $fail
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