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|
#! /bin/csh -f
set tmpfile=/tmp/butmpf.$$
if (! $?BACKUP_HOME) then
set pnam=$0
set pnam = $pnam:t
if ($pnam == $0) then
foreach dir ($path)
if (-x $dir/$0) then
set p=$dir/$0
break
endif
end
if ($p == ./$pnam) then
set p=`pwd`
setenv BACKUP_HOME $p:h
else
set p=$p:h
setenv BACKUP_HOME $p:h
endif
else
if (./$pnam == $0) then
set p=`pwd`/$pnam
else
if (`echo $0|cut -c1` != "/") then
set p=`pwd`/$0
else
set p=$0
endif
endif
set p=$p:h
setenv BACKUP_HOME $p:h
endif
endif
set path=($BACKUP_HOME/bin $path)
rehash
unsetenv AWK
# the solaris awk is doin' dawn f...... BS
foreach awk (nawk gawk awk)
foreach dir ($path)
if (-x $dir/$awk) then
setenv AWK $dir/$awk
break
endif
end
if ($?AWK) break
end
if (! $?AWK) then
echo 'No awk ? Is this really a lovely UNIX ?'
echo 'Sorry. I have to exit.'
exit 1
endif
set configfile=$BACKUP_HOME/lib/backup.conf
alias getparam $AWK' '"'"'/^[ ]*'"'"'\!:1'"'"'/{split($0,a,"'"'"'\!:1'"'"'[ ]*"); print a[2]}'"' $configfile"
set host="`getparam 'BackupHost:?'`"
set rootdir="`getparam 'RootDirectory:?'`"
set filestoskip="`getparam 'FilesToSkip:?'`"
set dirstoskip="`getparam 'DirsToSkip:?'`"
set indexfilepart="`getparam 'IndexFilePart:?'`"
set numindexestostore="`getparam 'NumIndexesToStore:?'`"
set compresscmd="`getparam 'CompressCmd:?'`"
set uncompresscmd="`getparam 'UncompressCmd:?'`"
set logfile="`getparam 'LoggingFile:?'`"
set numparts="`getparam 'NumBackupParts:?'`"
set startupinfoprog="`getparam 'StartupInfoProgram:?'`"
set compresslogfiles="`getparam 'CompressLogfiles:?'`"
if ("$compresslogfiles" != "0" && $compresslogfiles != "1") then
set compresslogfiles=0
endif
if ($numparts == "") set numparts=1
if ("$compresscmd" != "" && "$uncompresscmd" != "") then
set compressoption=-z
else
set compresscmd="-v"
set uncompresscmd="-v"
set compressoption="-v"
endif
if ("$logfile" == "") then
set logfile=$BACKUP_HOME/var/backup.log
endif
touch $logfile
echo `date`: starting incremental backup >> $logfile
unalias cd
cd $rootdir
if ($numparts > 1) then
set i=1
set dirstobackup=""
while ($i <= $numparts)
set nam="DirsToBackup"$i
set moredirs="`getparam '${nam}:?'`"
set dirstobackup=($dirstobackup $moredirs)
@ i++
end
else
set dirstobackup="`getparam 'DirsToBackup:?'`"
endif
set dirstobackup=(`echo $dirstobackup|awk '{for(i=1;i<=NF;i++) print $i,$i}'|tsort`)
if ( -r $BACKUP_HOME/var/num ) then
set num=`cat $BACKUP_HOME/var/num`
else
set num=1
endif
if (`echo $num|grep '^[1-9][0-9]*$'|wc -l` < 1) then
set num=1 # num doesn't contain a number
endif
echo $num >! $BACKUP_HOME/var/num
touch $BACKUP_HOME/var/newmark
# if the logfile is compressed, uncompress it
if (-e "$indexfilepart"$num".z" && ! -e "$indexfilepart"$num) then
if ("$uncompresscmd" == "") then
set uncompresscmd=gunzip # assume gunzip can unzip anything
endif
set ok=0
foreach tmplogf ("$indexfilepart"$num /tmp/`basename "$indexfilepart"$num` \
/var/tmp/`basename "$indexfilepart"$num`)
cat "$indexfilepart"$num".z" | $uncompresscmd >! $tmplogf
if ($status == 0) then
set ok=1
break
endif
\rm -f $tmplogf
end
if ($ok) then
if ($tmplogf != "$indexfilepart"$num) then
cp $tmplogf "$indexfilepart"$num
\rm -f $tmplogf
endif
\rm -f "$indexfilepart"$num".z"
else
echo Warning: filename logging file cannot be uncompressed.
endif
endif
touch "$indexfilepart"$num
onintr emexit
# get startup information
if ("$startupinfoprog" != "") then
backup -Q -h $host >! $tmpfile
(echo 'Backup: '$num ; \
grep -i cartridge $tmpfile; grep -i file $tmpfile) | \
awk '{printf "~~%s\n",$0}' | sh -c "$startupinfoprog"
\rm -f $tmpfile
endif
# because the C-shell is so stupid we have to produce a find
# command script
set findcmd=/tmp/bufindcmd.$$
\rm -f $findcmd
echo "#! /bin/sh" >! $findcmd
echo -n exec find $dirstobackup >> $findcmd
if ($#dirstoskip > 0) then
echo $dirstoskip | \
awk 'BEGIN{printf " \\("}{for(i=1;i<=NF;i++) \
{ printf " -name \"%s\" ",$i; if (i<NF) printf "-o"}} \
END{printf "\\) -prune -o "}' >> $findcmd
endif
echo "$filestoskip" | \
awk '{for(i=1;i<=NF;i++) printf " ! -name \"%s\"",$i}' \
>> $findcmd
echo " -newer $BACKUP_HOME/var/oldmark -print" >> $findcmd
chmod +x $findcmd
# list all names, substitute \ by \\ and " by \" (the program backup
# needs this), put the whole thing into hyphens, pipe it into backup
$findcmd \
| sed 's/\\/\\\\/g;s/\"/\\\"/g' \
| awk '{printf "\"%s\"\n", $0}' \
| backup -cvn $compressoption "$compresscmd" "$uncompresscmd" \
-h $host >>& "$indexfilepart"$num
set bus=$status
# compress the logfile, if requested
if ($compresslogfiles && "$compresscmd" != "" && "$uncompresscmd" != "") then
set ok=0
foreach tmplf ("$indexfilepart"$num".z" \
/tmp/`basename "$indexfilepart"$num".z"`\
/var/tmp/`basename "$indexfilepart"$num".z"`)
cat "$indexfilepart"$num | $compresscmd >! $tmplf
if ($status == 0) then
set ok=1
break
endif
\rm -f $tmplf
end
if ($ok) then
if ($tmplf != "$indexfilepart"$num".z") then
cp $tmplf "$indexfilepart"$num".z"
\rm -f $tmplf
endif
\rm -f "$indexfilepart"$num
endif
endif
if ($bus != 0) then
echo `date`: incremental backup failed. >>$logfile
goto failexit
endif
\mv -f $BACKUP_HOME/var/newmark $BACKUP_HOME/var/oldmark
echo `date`: incremental backup finished >> $logfile
\rm -f $findcmd $tmpfile
exit 0
emexit:
echo `date`: incremental backup interrupted. >>$logfile
failexit:
\rm -f $BACKUP_HOME/var/newmark $findcmd $tmpfile
exit 1
|
