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#!/bin/sh
# Make sure touch can set the mtime on an empty file.
# Volker Borchert reported that touch 3.16r (and presumably all before that)
# fails to work on SunOS 4.1.3 with `most of the recommended patches' when
# the empty file is on an NFS-mounted 4.2 volume.
if test "$VERBOSE" = yes; then
set -x
touch --version
fi
DEFAULT_SLEEP_SECONDS=2
SLEEP_SECONDS=${SLEEP_SECONDS=$DEFAULT_SLEEP_SECONDS}
fail=0
# FIXME: find writable directories on other partitions
# and run the test in those directories, too.
: ${TOUCH_DIR_LIST=.}
framework_failure=0
for d in $TOUCH_DIR_LIST; do
rm -rf $d/a $d/b $d/c
> $d/a || framework_failure=1
test -f $d/a || framework_failure=1
> $d/b || framework_failure=1
test -f $d/b || framework_failure=1
> $d/c || framework_failure=1
test -f $d/c || framework_failure=1
done
if test $framework_failure = 1; then
echo 'failure in testing framework'
exit 1
fi
echo sleeping for $SLEEP_SECONDS seconds...
sleep $SLEEP_SECONDS
for d in $TOUCH_DIR_LIST; do
touch $d/a || fail=1
set x `ls -t $d/a $d/b`
test "$*" = "x $d/a $d/b" || fail=1
done
echo sleeping for $SLEEP_SECONDS seconds...
sleep $SLEEP_SECONDS
for d in $TOUCH_DIR_LIST; do
touch $d/b
set x `ls -t $d/a $d/b`
test "$*" = "x $d/b $d/a" || fail=1
if touch - 1< $d/c 2> /dev/null; then
set x `ls -t $d/a $d/c`
test "$*" = "x $d/c $d/a" || fail=1
fi
rm -rf $d/a $d/b $d/c
done
if test $fail != 0; then
cat 1>&2 <<EOF
*** This test has just failed. That can happen when the test is run in an
*** NFS-mounted directory on a system whose clock is not well synchronized
*** with that of the NFS server. If you think that is the reason, set the
*** environment variable SLEEP_SECONDS to some number of seconds larger than
*** the default of $DEFAULT_SLEEP_SECONDS and rerun the test.
EOF
fi
exit $fail
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