setserial 2.17-46 / postinst

#!/bin/sh -e

# determine architecture
ARCH=`dpkg --print-architecture`
package="setserial"
autoconfig="/var/lib/setserial/autoserial.conf"

#DEBCONF_DEBUG=1
#export DEBCONF_DEBUG

# Here are the one-off conversion routines for /var/lib/setserial usage.
# reentry is prevented via touching etc.serial.conf.bkp
# Do not delete that file...
#
if [ ! -f /var/lib/setserial/etc.serial.conf.bkp ]; then
  if [ -f /etc/serial.conf ]; then
    echo Updating your /etc/serial.conf to /var/lib/setserial/etc.serial.conf.bkp.
    cp /etc/serial.conf /var/lib/setserial/etc.serial.conf.bkp
    chead="`sed 1q /etc/serial.conf`X"
    if [  "$chead" = "###PORT STATE GENERATED USING AUTOSAVE-ONCE###X"  ]; then
      rm -f /etc/serial.conf
    elif [ "$chead" = "#KERNELX" ]; then
      rm -f /etc/serial.conf
    elif [ "$chead" = "###AUTOSAVE###X" ]; then
      rm -f /etc/serial.conf
    elif [ "$chead" = "###AUTOSAVE-ONCE###X" ]; then
      rm -f /etc/serial.conf
    fi
  else
    touch /var/lib/setserial/etc.serial.conf.bkp
  fi
  echo removing the old setserial entry in the rcn.d directories
  # It MUST be moved to the new priority to work - hope noone minds. I
  # could just delete it and then create a new name, but that seems
  # pointless
  update-rc.d -f setserial remove >/dev/null
  echo Update complete.
fi

if [ ! -f $autoconfig ]; then
  if [ "$ARCH" = "sparc" ]; then
    cat > $autoconfig <<ZZZ
#
# This is an empty conf file. You should refer to the setserial documentation
# to find out what can be done with this file for your architecture.
#
ZZZ
  else
    cat > $autoconfig <<ZZZ
###AUTOSAVE-ONCE###
###AUTOSAVE###
#
# If you want to configure this file by hand, use 
# dpkg-reconfigure setserial
# and change the configuration mode of the file to MANUAL. If you do not do this, this file may be overwritten automatically the next time you upgrade the
# package.
#
ZZZ
  fi
fi


if [ "$1" = "configure" ]; then

if [ -r /etc/init.d/etc-setserial ] ; then
    update-rc.d etc-setserial start 30 S . stop 30 0 6 . >/dev/null
fi
update-rc.d setserial start 46 S . stop 19 0 6 . >/dev/null

if [ -f /usr/share/debconf/confmodule ]; then # debconf exists

# source debconf library
. /usr/share/debconf/confmodule

if [ -r /etc/rc.boot/0setserial ] ; then
  if [ "$ARCH" != "m68k" ]; then
    # inform about the renaming of rc.boot file
    db_get setserial/rc-boot-file-renamed
    mv /etc/rc.boot/0setserial /etc/rc.boot/0setserial.pre-2.15
  else
    # inform about the removal of rc.boot file
    db_get setserial/rc-boot-file-removed
    rm -f /etc/rc.boot/0setserial
  fi
fi

if [ "$ARCH" != "m68k" ]; then
  if [ ! -e $autoconfig ]; then
    touch $autoconfig
  fi
  chead="`sed 1q $autoconfig`X"
  db_get setserial/autosave-types
  case "$RET" in 
    ( "AUTOSAVE ONCE" | "autosave once" ) 
       if [  "$chead" != "###PORT STATE GENERATED USING AUTOSAVE-ONCE###X"  ]; then
          mv $autoconfig ${autoconfig}.tmp
          echo "###AUTOSAVE-ONCE###" > $autoconfig
          cat ${autoconfig}.tmp >> $autoconfig
          rm ${autoconfig}.tmp
          /etc/init.d/setserial stop >&2
       fi
       ;;
    ( "MANUAL" | "manual" ) 
       if [ "$chead" != "#X" ]; then
          mv $autoconfig ${autoconfig}.tmp
          echo "#" > $autoconfig
          cat ${autoconfig}.tmp >> ${autoconfig}
          rm ${autoconfig}.tmp
       fi
       ;;
    ( "KERNEL" | "kernel" ) 
       if [ "$chead" != "#KERNELX" ]; then
          rm ${autoconfig}
          echo "#KERNEL" > $autoconfig
       fi
       ;;
    ( "AUTOSAVE ALWAYS" | "autosave always" ) 
       if [ "$chead" != "###AUTOSAVE###X" ]; then
          mv ${autoconfig} ${autoconfig}.tmp
          echo "###AUTOSAVE###" > ${autoconfig}
          cat ${autoconfig}.tmp >> ${autoconfig}
          rm ${autoconfig}.tmp
          /etc/init.d/setserial stop >&2
       fi
       ;;
  esac
  if [ -x /sbin/update-modules ]; then
    #db_get setserial/usemodup
    #if [ "$RET" = "true" ]; then
     if ! /sbin/update-modules ; then
      WHOCARES=0;
     fi
    #fi
  fi
fi

else # debconf doesn't exist, revert to old type of questions

# This never happens, as debconf is now a required package.
exit 1

# See if the user has an old-style 0setserial entry

if [ -r /etc/rc.boot/0setserial ] ; then
  if [ "$ARCH" != "m68k" ]; then
	echo "You have an old-style 0setserial entry. The configuration"
	echo "mechanism has changed completely from 2.14."
	echo "Renaming your old /etc/rc.boot/0setserial to 0setserial.pre-2.15"
	mv /etc/rc.boot/0setserial /etc/rc.boot/0setserial.pre-2.15
	echo ""
	echo "This release uses serial.conf in /etc/ to configure the ports"
	echo "When you shutdown or halt your machine, your current settings should"
	echo "be automatically stored, providing you do not have either"
	echo "a multiport or a hayes device (edit /etc/serial.conf by hand)."
	echo "Attention PCMCIA users - pcmcia has its own configuration for"
	echo "pcmcia serial-type devices, which is not compatible with setserial."
	echo "I have attempted to compensate for this, but if you have problems"
	echo "read /usr/share/doc/setserial/README.Debian.gz"
	echo "Note that if you edit serial.conf, remember to remove completely"
	echo "the AUTOSAVE line from the file."
	echo ""
	echo -n "Do you want the automatic serial port configuration (recommended) (YES/no):"
	read ANSWER
	if [ "$ANSWER" = "no" ] || [ "$ANSWER" = "NO" ] || [ "$answer" = "n" ] || [ "$ANSWER" = "N" ]
	then
		echo "Okay, not touching your configuration. Edit your /etc/serial.conf yourself."
	else
		echo "Configuring setserial automatically"
		cp /etc/serial.conf /etc/serial.conf.orig
		invoke-rc.d setserial stop
		echo "setserial thought the following about your system..."
		# grep -v "^#" /etc/serial.conf
                if ! grep "^[^#]" /etc/serial.conf >&2 ; then
                  echo "   no information..."
                fi
	fi
  else
	echo "You have an old-style 0setserial entry. The new standard makes"
	echo "use of /etc/init.d rather than /etc/rc.boot, and your old"
        echo "/etc/rc.boot/0setserial file from version 2.14 will be removed."
	rm -f /etc/rc.boot/0setserial
  fi
fi

if [ "$ARCH" != "m68k" ] && [ -x /sbin/update-modules ]; then
  if ! /sbin/update-modules ; then
    cat <<END >&2
 WARNING: setserial tried to install the module management code to support
 the serial.o module being loaded and unloaded dynamically by kerneld (or
 its equivalent). However, update-modules failed to allow its installation.

 There may be something non-standard about your module configuration.
 You should try running /sbin/update-modules on your own.

 Please press <enter> to continue...
END
    read KEYPRESS
  fi
fi

fi # debconf or not

fi # $1 = configure