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#!/bin/sh
# move a file onto itself
# Copyright (C) 1999-2022 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ mv
ff=mvforce
ff2=mvforce2
echo force-contents > $ff || framework_failure_
ln $ff $ff2 || framework_failure_
# mv should fail for the same name, or separate hardlinks as in
# both cases rename() will do nothing and return success.
# One could unlink(src) in the hardlink case, but that would
# introduce races with overlapping mv instances removing both hardlinks.
for dest in $ff $ff2; do
# This mv command should exit nonzero.
mv $ff $dest > out 2>&1 && fail=1
printf "mv: '$ff' and '$dest' are the same file\n" > exp
compare exp out || fail=1
test $(cat $ff) = force-contents || fail=1
done
Exit $fail
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