#!/bin/sh

confile=$1

findcmd()
{
  CMD=$1

  SRCH=/usr/ucb:/usr/bin:/bin:/etc:/usr/etc
  
  SAVEIFS=$IFS
  IFS=:
  set $SRCH
  IFS=$SAVEIFS
  for dir
  do
    [ $TESTEXEC $dir/$CMD ] && {
      echo $dir/$CMD
      return
    }
  done
}

TESTEXEC=-x
( [ $TESTEXEC /bin/sh ] ) 2> $WORKDIR/te.$$
[ -s $WORKDIR/te.$$ ] && TESTEXEC=-f
export TESTEXEC

RM=`findcmd rm`
[ -n "$RM" ] && $RM $WORKDIR/te.$$

while read var cmds
do
  gotit=0
  for cmd in $cmds
  do
    where=`findcmd $cmd`
    if [ "$where" != "" ]; then
      echo "$var=$where"
      echo "export $var"
      gotit=1
      break
    fi
  done
  [ $gotit = 0 ] && {
    echo '#'
    echo "# Could not locate $cmd"
    echo '#'
    echo "$var="
    echo "export $var"
    echo "Can not find $var as any of: $cmd" 1>&2
  }
done << EOL > $confile
AWK awk
BASENAME basename
CAT cat
CC cc
CHMOD chmod
CHOWN chown
COMM comm
DATE date
EGREP egrep
EXPR expr
FILECMD file
FIND find
FMT fmt cat
GETHOSTNAME hostname
GREP grep
GROUPS groups
JOIN join
LN ln
LS ls
MV mv
PS ps
RM rm
SED sed
SORT sort
STRINGS strings
TAIL tail
TR tr
UNAME uname
UNIQ uniq
BASENAME basename
CHMOD chmod
CHOWN chown
LN ln
PASTE paste
YPCAT ypcat
DIFF diff
MAIL mail mailx Mail sendmail
EOL

echo "WAIT=wait" >> $confile
echo "export WAIT" >> $confile

. $confile

echo "#" >> $confile
echo "# How to get different effects" >> $confile
echo "#" >> $confile

datecmd='$DATE +%D'
timecmd='$DATE +%H:%M:%S'
eval $datecmd 2>/dev/null > /dev/null || {
  datecmd='echo'
  timecmd='echo'
}
echo "DATECMD=\"$datecmd\"" >> $confile
echo "TIMECMD=\"$timecmd\"" >> $confile
echo "export DATECMD TIMECMD" >> $confile

sgrep='$EGREP -s'
X=`$EGREP -s : /etc/passwd 2>&1 | $TAIL -1`
[ "$X" != "" ] && {
  sgrep='$GREP -s'
  X=`$GREP -s : /etc/passwd 2>&1 | $TAIL -1`
  [ "$X" != "" ] && {
    sgrep='$BASEDIR/util/sgrep'
  }
}

echo "SGREP=\"$sgrep\"" >> $confile
echo "export SGREP" >> $confile

lsgroup="-g"
F1=`$LS -l $lsgroup -d /etc | $AWK '{print NF}'`
F2=`$LS -d /etc | $AWK '{print NF}'`
[ $F1 -lt $F2 ] && lsgroup=

echo "LSGROUP=$lsgroup" >> $confile
echo "export LSGROUP" >> $confile

lslink="-L"
$LS $lslink 2>/dev/null >/dev/null || lslink=

echo "LSLINK=$lslink" >> $confile
echo "export LSLINK" >> $confile

echo '#' >> $confile
echo '# Where are system directories/files?' >> $confile
echo '#' >> $confile

if [ -d /usr/mail ]; then
  echo "MAILSPOOL=/usr/mail" >> $confile
elif [ -d /usr/spool/mail ]; then
  echo "MAILSPOOL=/usr/spool/mail" >> $confile
elif [ -d /var/spool/mail ]; then
  echo "MAILSPOOL=/var/spool/mail" >> $confile
else
  echo "MAILSPOOL=" >> $confile
fi

echo "export MAILSPOOL" >> $confile

if [ -d /usr/spool/cron/crontabs ]; then
  echo "CRONTAB=/usr/spool/cron/crontabs" >> $confile
elif [ -d /var/spool/cron/crontabs ]; then
  echo "CRONTAB=/var/spool/cron/crontabs" >> $confile
elif [ -d /etc/cron ]; then
  echo "CRONTAB=/etc/cron" >> $confile
else
  echo "CRONTAB="
fi

echo "export CRONTAB" >> $confile

echo "ETCSHELLS=/etc/shell" >> $confile
echo "export ETCSHELLS" >> $confile
echo >> $confile

echo '#' >> $confile
echo '# Segment of code to find system specific tiger parts' >> $confile
echo '#' >> $confile

$CAT <<'_END_OF_TEXT' >> $confile

CDIR="$BASEDIR/systems"
eval `
  while read var file
  do
    if [ -f "$CONFIG_DIR/$file" ]; then
      loc="$CONFIG_DIR"
    elif [ -f "$CDIR/$OS/$REL/$REV/$ARCH/$file" ]; then
      loc="$CDIR/$OS/$REL/$REV/$ARCH"
    elif [ -f "$CDIR/$OS/$REL/$REV/$file" ]; then
      loc="$CDIR/$OS/$REL/$REV"
    elif [ -f "$CDIR/$OS/$REL/$file" ]; then
      loc="$CDIR/$OS/$REL"
    elif [ -f "$CDIR/$OS/$file" ]; then
      loc="$CDIR/$OS"
    else
      loc=""
    fi
    if [ "$loc" != "" ]; then
      echo $var="$loc/$file;"
    else
      echo "$var=;"
    fi
    echo "export $var;"
  done << EOL
GETFS gen_mounts
GEN_PASSWD_SETS gen_passwd_sets
GEN_GROUP_SETS gen_group_sets
GEN_ALIAS_SETS gen_alias_sets
CHECK_CRON check_cron
GEN_BOOTPARAM_SETS gen_bootparam_sets
GEN_EXPORT_SETS gen_export_sets
GEN_SERVICES_SETS gen_services
GET_MOUNTS gen_mounts
SIGNATURE_FILE signatures
SERVICESFILE services
INETDFILE inetd
FILE_ACL file_access_list
SUID_LIST suid_list
REL_FILE_EXCP rel_file_exp_list
EOL
`
_END_OF_TEXT
