#!/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 "$VERBOSE" = yes; then  set -x  touch --versionfiDEFAULT_SLEEP_SECONDS=2SLEEP_SECONDS=${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=0for d in $TOUCH_DIR_LIST; do  rm -rf $d/a $d/b  > $d/a || framework_failure=1  test -f $d/a || framework_failure=1  > $d/b || framework_failure=1  test -f $d/b || framework_failure=1doneif test $framework_failure = 1; then  echo 'failure in testing framework'  exit 1fiecho sleeping for $SLEEP_SECONDS seconds...sleep $SLEEP_SECONDSfor 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=1doneecho sleeping for $SLEEP_SECONDS seconds...sleep $SLEEP_SECONDSfor 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  rm -rf $d/a $d/bdoneif 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.EOFfiexit $fail