*** empty log message ***

scripts/level-0

@@ -10,26 +10,22 @@
 # You must edit the file `backup-specs' to set the parameters for your site.
 
 if [ ! -w / ]; then
-   echo The backup must be run as root,
-   echo or else some files will fail to be dumped.
+   echo The backup must be run as root or else some files will fail to be dumped.
    exit 1
 else
    false
 fi
 
-# This is undesirable -- rms.
-# rsh albert /usr/local/adm/motd-backup-start
-
 # Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
 . ./backup-specs
 
 # Maybe sleep until around specified or default hour.
 #
-if [ "$1" != "now" ]; then
-   if [ "$1"x != x ]; then
-      spec=$1
+if [ "${1}" != "now" ]; then
+   if [ "${1}x" != "x" ]; then
+      spec="${1}"
    else
-      spec=$BACKUP_HOUR
+      spec="${BACKUP_HOUR}"
    fi
    pausetime=`date | awk '{hr=substr($4,1,2);\\
       mn=substr($4,4,2);\\
@@ -39,7 +35,7 @@ if [ "$1" != "now" ]; then
          print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
    clear
    cat ./dont_touch
-   sleep $pausetime
+   sleep ${pausetime}
 fi
 
 # start doing things
@@ -47,98 +43,109 @@ fi
 here=`pwd`
 LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-full
 HOST=`hostname | sed 's/\..*//'`
-TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE"
+TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=${BLOCKING} --sparse --volno-file=${VOLNO_FILE}"
+
+# Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
+if [ x != "x${DUMP_REMIND_SCRIPT}" ]; then
+   TAR_PART1="${TAR_PART1} --info-script=${DUMP_REMIND_SCRIPT}"
+fi
 
 # Make sure the log file did not already exist.  Create it.
 
-if [ -f $LOGFILE ] ; then
-   echo Log file $LOGFILE already exists.
+if [ -f ${LOGFILE} ] ; then
+   echo Log file ${LOGFILE} already exists.
    exit 1
 else
-   touch $LOGFILE
+   touch ${LOGFILE}
 fi
 
-mt -f $TAPE_FILE rewind
-rm $VOLNO_FILE
+mt -f ${TAPE_FILE} rewind
+rm ${VOLNO_FILE}
 
-set $BACKUP_DIRS
+set ${BACKUP_DIRS}
 while [ $# -ne 0 ] ; do
-   host=`echo $1 | sed 's/:.*$//'`
-   fs=`echo $1 | sed 's/^.*://'`
+   host=`echo ${1} | sed 's/:.*$//'`
+   fs=`echo ${1} | sed 's/^.*://'`
    date=`date`
    fsname=`echo $1 | sed 's/\//:/g'`
 
    TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
-   TAR_PART3="--label='Full backup of $fs on $host at $date' -C $fs ."
+   TAR_PART3="--label='Full backup of ${fs} on ${host} at ${date}' -C ${fs} ."
 
-   echo Backing up $1 at $date | tee -a $LOGFILE
+   echo Backing up ${1} at ${date} | tee -a ${LOGFILE}
 
    # Actually back things up.
 
-   if [ $HOST != $host ] ; then
+   if [ ${HOST} != ${host} ] ; then
       # Removed 2>&1/dev/null cruft since that's incorrect sh syntax.
-      rsh $host mkdir /etc/tar-backup > /dev/null 2>&1
-      rsh $host rm -f /etc/tar-backup/temp.level-0
-      rsh $host $TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3 2>&1 | tee -a $LOGFILE
+      rsh ${host} mkdir /etc/tar-backup > /dev/null 2>&1
+      rsh ${host} rm -f /etc/tar-backup/temp.level-0
+      rsh ${host} ${TAR_PART1} -f ${HOST}:${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} 2>&1 | tee -a ${LOGFILE}
    else
       mkdir /etc/tar-backup > /dev/null 2>&1
       rm -f /etc/tar-backup/temp.level-0
 # Using `sh -c exec' causes nested quoting and shell substitution
 # to be handled here in the same way rsh handles it.
-      sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
+      sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3}" 2>&1 | tee -a ${LOGFILE}
    fi
+   # This doesn't presently work, of course, because $? is set to the exit
+   # status of the last thing in the pipeline of the previous command,
+   # namely `tee'.  We really want the exit status of the sh command
+   # running tar, but getting this seems to be nontrivial.  --friedman
    if [ $? -ne 0 ] ; then
-      echo Backup of $1 failed. | tee -a $LOGFILE
+      echo Backup of ${1} failed. | tee -a ${LOGFILE}
       # I'm assuming that the tar will have written an empty
       # file to the tape, otherwise I should do a cat here.
    else
-      if [ $HOST != $host ] ; then
-	rsh $host "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0" 2>&1 | tee -a $LOGFILE
+      if [ ${HOST} != ${host} ] ; then
+	rsh ${host} "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0" 2>&1 | tee -a ${LOGFILE}
       else
-        mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
+        mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0 2>&1 | tee -a ${LOGFILE}
       fi
    fi
-   $TAPE_STATUS | tee -a $LOGFILE
+   ${TAPE_STATUS} | tee -a ${LOGFILE}
    sleep 60
    shift
 done
 
 # Dump any individual files requested.
 
-if [ x != "x$BACKUP_FILES" ] ; then
+if [ x != "x${BACKUP_FILES}" ] ; then
    date=`date`
 
    TAR_PART2="--listed=/etc/tar-backup/temp.level-0"
-   TAR_PART3="--label='Full backup of miscellaneous files at $date'"
+   TAR_PART3="--label='Full backup of miscellaneous files at ${date}'"
 
    mkdir /etc/tar-backup > /dev/null 2>&1
    rm -f /etc/tar-backup/temp.level-0
 
-   echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+   echo Backing up miscellaneous files at ${date} | tee -a ${LOGFILE}
 # Using `sh -c exec' causes nested quoting and shell substitution
 # to be handled here in the same way rsh handles it.
-   sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
-    $BACKUP_FILES" 2>&1 | tee -a $LOGFILE
+   sh -c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} \
+    ${BACKUP_FILES}" 2>&1 | tee -a ${LOGFILE}
+   # This doesn't presently work, of course, because $? is set to the exit
+   # status of the last thing in the pipeline of the previous command,
+   # namely `tee'.  We really want the exit status of the sh command
+   # running tar, but getting this seems to be nontrivial.  --friedman
    if [ $? -ne 0 ] ; then
-     echo Backup of miscellaneous files failed. | tee -a $LOGFILE
+     echo Backup of miscellaneous files failed. | tee -a ${LOGFILE}
      # I'm assuming that the tar will have written an empty
      # file to the tape, otherwise I should do a cat here.
    else
-     mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 2>&1 | tee -a $LOGFILE
+     mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 2>&1 | tee -a ${LOGFILE}
    fi
-   $TAPE_STATUS | tee -a $LOGFILE
+   ${TAPE_STATUS} | tee -a ${LOGFILE}
 else
-   echo No miscellaneous files specified | tee -a $LOGFILE
+   echo No miscellaneous files specified | tee -a ${LOGFILE}
    false
 fi
 
-mt -f $TAPE_FILE rewind
-mt -f $TAPE_FILE offl
+mt -f ${TAPE_FILE} rewind
+mt -f ${TAPE_FILE} offl
 
-echo Sending the dump log to $ADMINISTRATOR
-cat $LOGFILE | sed -f logfile.sed > $LOGFILE.tmp
-/usr/ucb/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp
-rm -f $LOGFILE.tmp
+echo Sending the dump log to ${ADMINISTRATOR}
+cat ${LOGFILE} | sed -f logfile.sed > ${LOGFILE}.tmp
+/usr/ucb/mail -s "Results of backup on `date`" ${ADMINISTRATOR} < ${LOGFILE}.tmp
+rm -f ${LOGFILE}.tmp
 
-# This is undesirable -- rms.
-#rsh albert /usr/local/adm/motd-backup-done &

scripts/level-1

@@ -0,0 +1,145 @@
+#!/bin/sh 
+#
+# Run this script as root on the machine that has the tape drive, to make a
+# level-1 dump containing all files changed since the last full dump.
+#
+# If you give `now' as an argument, the dump is done immediately.
+# Otherwise, it waits until 1am.
+#
+# You must edit the file `backup-specs' to set the parameters for your site.
+
+if [ ! -w / ]; then
+   echo The backup must be run as root,
+   echo or else some files will fail to be dumped.
+   exit 1
+else
+   false
+fi
+
+# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
+. ./backup-specs
+
+# Maybe sleep until around specified or default hour.
+#
+if [ "$1" != "now" ]; then
+   if [ "$1"x != x ]; then
+      spec=$1
+   else
+      spec=$BACKUP_HOUR
+   fi
+   pausetime=`date | awk '{hr=substr($4,1,2);\\
+      mn=substr($4,4,2);\\
+      if((hr+0)<spec+0)\\
+         print 3600*(spec-hr)-60*mn;\\
+      else\\
+         print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
+   clear
+   cat ./dont_touch
+   sleep $pausetime
+fi
+
+# start doing things
+
+here=`pwd`
+LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-level-1
+HOST=`hostname | sed 's/\..*//'`
+TAR_PART1="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE" --atime-preserve
+
+# Make sure the log file did not already exist.  Create it.
+
+if [ -f $LOGFILE ] ; then
+   echo Log file $LOGFILE already exists.
+   exit 1
+else
+   touch $LOGFILE
+fi
+
+mt -f $TAPE_FILE rewind
+rm $VOLNO_FILE
+
+set $BACKUP_DIRS
+while [ $# -ne 0 ] ; do
+   host=`echo $1 | sed 's/:.*$//'`
+   fs=`echo $1 | sed 's/^.*://'`
+   date=`date`
+   fsname=`echo $1 | sed 's/\//:/g'`
+
+# This filename must be absolute; it is opened on the machine that runs tar.
+   TAR_PART2="--listed=/etc/tar-backup/temp.level-1"
+   TAR_PART3="--label='level 1 backup of $fs on $host at $date' -C $fs ."
+
+   echo Backing up $1 at $date | tee -a $LOGFILE
+   echo Last full dump on this filesystem: | tee -a $LOGFILE
+
+   if [ $HOST != $host ] ; then
+     rsh $host "ls -l /etc/tar-backup/$fsname.level-0; \
+	cp /etc/tar-backup/$fsname.level-0 /etc/tar-backup/temp.level-1" \
+	2>&1 | tee -a $LOGFILE
+   else
+     ls -l /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
+     cp /etc/tar-backup/$fsname.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+   fi
+
+   # Actually back things up.
+
+   if [ $HOST != $host ] ; then
+      rsh $host $TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3 2>&1 | tee -a $LOGFILE
+   else
+# Using `sh -c exec' causes nested quoting and shell substitution
+# to be handled here in the same way rsh handles it.
+      sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
+   fi
+   if [ $? -ne 0 ] ; then
+      echo Backup of $1 failed. | tee -a $LOGFILE
+      # I'm assuming that the tar will have written an empty
+      # file to the tape, otherwise I should do a cat here.
+   else
+      if [ $HOST != $host ] ; then
+	rsh $host mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/$fsname.level-1 2>&1 | tee -a $LOGFILE
+      else
+        mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/$fsname.level-1 2>&1 | tee -a $LOGFILE
+      fi
+   fi
+   $TAPE_STATUS  | tee -a $LOGFILE
+   sleep 60
+   shift
+done
+
+# Dump any individual files requested.
+
+if [ x != "x$BACKUP_FILES" ] ; then
+   date=`date`
+   TAR_PART2="--listed=/etc/tar-backup/temp.level-1"
+   TAR_PART3="--label='Incremental backup of miscellaneous files at $date'"
+
+   echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+   echo Last full dump of these files: | tee -a $LOGFILE  
+   ls -l /etc/tar-backup/misc.level-0 2>&1 | tee -a $LOGFILE
+
+   rm -f /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+   cp /etc/tar-backup/misc.level-0 /etc/tar-backup/temp.level-1 2>&1 | tee -a $LOGFILE
+
+   echo Backing up miscellaneous files at $date | tee -a $LOGFILE
+# Using `sh -c exec' causes nested quoting and shell substitution
+# to be handled here in the same way rsh handles it.
+   sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
+    $BACKUP_FILES" 2>&1 | tee -a $LOGFILE
+   if [ $? -ne 0 ] ; then
+     echo Backup of miscellaneous files failed. | tee -a $LOGFILE
+     # I'm assuming that the tar will have written an empty
+     # file to the tape, otherwise I should do a cat here.
+   else
+     mv -f /etc/tar-backup/temp.level-1 /etc/tar-backup/misc.level-1 2>&1 | tee -a $LOGFILE
+   fi
+   $TAPE_STATUS | tee -a $LOGFILE
+else
+   echo No miscellaneous files specified | tee -a $LOGFILE
+   false
+fi
+
+mt -f $TAPE_FILE rewind
+mt -f $TAPE_FILE offl
+
+echo Sending the dump log to $ADMINISTRATOR
+cat $LOGFILE | sed -f logfile.sed > $LOGFILE.tmp
+/usr/ucb/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp