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#!/bin/sh
# Demonstrate using a combination of --reference and --date to
# set the time of a file back by an arbitrary amount.
if test "$VERBOSE" = yes; then
set -x
touch --version
fi
. $srcdir/../envvar-check
pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15
framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
touch --date='2004-01-16 05:26:38 +0' f || framework_failure=1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
fail=0
# Set times back by 30 minutes.
touch --ref f --date='-30 min' f || fail=1
TZ=utc command ls -og --time-style=+%Y-%m-%dT%H:%M:%S f > out.1 || fail
sed 's/ f$//;s/.* //' out.1 > out
cat <<\EOF > exp || fail=1
2004-01-16T04:56:38
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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