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77da73c754
Run "make update-copyright", but then also run this, perl -pi -e 's/2\d\d\d-//' tests/sample-test to make that one script use the single most recent year number.
46 lines
1.5 KiB
Bash
Executable File
46 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# ensure that mv doesn't first unlink a multi-hard-linked destination
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# Copyright (C) 2008-2013 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_ mv
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require_strace_ unlink
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# Before the fix, mv would unnecessarily unlink the destination symlink:
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# $ rm -f a b b2; touch a b; ln b b2; strace -e unlink /p/bin/mv a b
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# unlink("b") = 0
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#
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# With the fix, it doesn't call unlink:
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# $ rm -f a b b2; touch a b; ln b b2; strace -e unlink ./mv a b
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# $
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touch a b || framework_failure_
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ln b b2 || framework_failure_
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strace -qe unlink mv a b > out 2>&1 || fail=1
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$EGREP 'unlink.*"b"' out && fail=1
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# Ensure that the source, "a", is gone.
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ls -dl a > /dev/null 2>&1 && fail=1
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# Ensure that the destination, "b", has link count 1.
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n_links=$(stat --printf=%h b) || fail=1
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test "$n_links" = 1 || fail=1
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Exit $fail
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