2 # ensure that mv doesn't first unlink a multi-hard-linked destination
4 # Copyright (C) 2008-2012 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
21 require_strace_ unlink
23 # Before the fix, mv would unnecessarily unlink the destination symlink:
24 # $ rm -f a b b2; touch a b; ln b b2; strace -e unlink /p/bin/mv a b
27 # With the fix, it doesn't call unlink:
28 # $ rm -f a b b2; touch a b; ln b b2; strace -e unlink ./mv a b
31 touch a b || framework_failure_
32 ln b b2 || framework_failure_
35 strace -qe unlink mv a b > out 2>&1 || fail=1
36 $EGREP 'unlink.*"b"' out && fail=1
38 # Ensure that the source, "a", is gone.
39 ls -dl a > /dev/null 2>&1 && fail=1
41 # Ensure that the destination, "b", has link count 1.
42 n_links=$(stat --printf=%h b) || fail=1
43 test "$n_links" = 1 || fail=1