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# Make sure that touch gives reasonable diagnostics when applied
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# to an unwritable directory owned by some other user.
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# Copyright (C) 2003-2012 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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if env -- test -w /; then
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skip_ you have write access to /.
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if env -- test -O / || env -- test -G /; then
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# Before fileutils-4.1, we'd get the following misleading
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# diagnostic instead of '...: Permission denied'.
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# touch: creating '/': Is a directory
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touch / > out 2>&1 && fail=1
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# On SunOS4, EPERM is 'Not owner'.
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# On some *BSD systems it's 'Operation not permitted'.
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# On a system where root file system is mounted read-only
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# it's 'Read-only file system'.
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for msg in 'Not owner' 'Operation not permitted' 'Permission denied' \
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'Read-only file system'; do
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touch: setting times of '/': $msg
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cmp out exp > /dev/null 2>&1 && { match=1; break; }
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test "$match" = 1 || fail=1
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test $fail = 1 && compare exp out