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coreutils/tests/cp/backup-is-src

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#!/bin/sh
if test "$VERBOSE" = yes; then
set -x
cp --version
fi
framework_failure=0
rm -f a a~ || framework_failure=1
echo a > a || framework_failure=1
echo a-tilde > a~ || framework_failure=1
if test $framework_failure = 1; then
echo 'failure in testing framework'
exit 1
fi
# Make sure we get English translations.
LANGUAGE=C
export LANGUAGE
LC_ALL=C
export LC_ALL
LANG=C
export LANG
# This cp command should exit nonzero.
cp -b -V simple a~ a > out 2>&1 && fail=1
sed "s,cp:,XXX:," out > out2
cat > exp <<\EOF
XXX: backing up `a' would destroy source; `a~' not copied
EOF
cmp out2 exp || fail=1
rm -f out out2 exp a a~
exit $fail