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#!/bin/sh
# make sure --update works as advertised
if test "$VERBOSE" = yes; then
set -x
cp --version
mv --version
fi
. $srcdir/../envvar-check
. $srcdir/../lang-default
pwd=`pwd`
tmp=mv-update.$$
trap 'status=$?; cd $pwd; rm -rf $tmp && exit $status' 0
trap '(exit $?); exit' 1 2 13 15
framework_failure=0
mkdir $tmp || framework_failure=1
cd $tmp || framework_failure=1
echo old > old || framework_failure=1
touch -d yesterday old || framework_failure=1
echo new > new || framework_failure=1
if test $framework_failure = 1; then
echo 'failure in testing framework' 1>&2
(exit 1); exit 1
fi
fail=0
for cp_or_mv in cp mv; do
# This is a no-op.
$cp_or_mv --update old new || fail=1
case "`cat new`" in new) ;; *) fail=1 ;; esac
case "`cat old`" in old) ;; *) fail=1 ;; esac
done
# This will actually perform the rename.
mv --update new old || fail=1
test -f new && fail=1
case "`cat old`" in new) ;; *) fail=1 ;; esac
# Restore initial conditions.
echo old > old || fail=1
touch -d yesterday old || fail=1
echo new > new || fail=1
# This will actually perform the copy.
cp --update new old || fail=1
case "`cat old`" in new) ;; *) fail=1 ;; esac
case "`cat new`" in new) ;; *) fail=1 ;; esac
(exit $fail); exit $fail
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