require IO::File;
+$nice='nice ' if !defined $nice;
+
sub printdate () {
print scalar(localtime),"\n";
}
exec $c; die "$c: $!";
}
+sub rewind_raw () {
+ runsystem("mt -f $tape rewind");
+}
+
sub readtapeid_raw () {
open T, ">>TAPEID" or die $!; close T;
unlink 'TAPEID' or die $!;
- system "mt -f $tape rewind"; $? and die $?;
+ rewind_raw();
system "mt -f $tape setblk $blocksizebytes"; $? and die $?;
system "dd if=$tape bs=${blocksize}b count=10 ".
"| tar -b$blocksize -vvxf - TAPEID";
}
-sub writetapeid ($) {
+sub runsystem ($) {
+ pboth(" $_[0]\n");
+ system $_[0];
+ $? and die $?;
+}
+
+sub pboth ($) {
+ my ($str) = @_;
+ print LOG $str or die $!;
+ print $str or die $!;
+}
+
+sub nexttapefile ($) {
+ my ($what) = @_;
+ $currenttapefilenumber++;
+ $currenttapefilename= $what;
+ pboth(sprintf "writing tape file #%d (mt fsf %d): %s\n",
+ $currenttapefilenumber, $currenttapefilenumber-1, $what);
+}
+
+sub writetapeid ($$) {
open T, ">TAPEID" or die $!;
- print T "$_[0]\n" or die $!;
+ print T "$_[0]\n$_[1]\n" or die $!;
close T or die $!;
+ $currenttapefilenumber= 0;
+ nexttapefile('TAPEID');
+
system "tar -b$blocksize -vvcf TAPEID.tar TAPEID"; $? and die $?;
system "dd if=TAPEID.tar of=$ntape bs=${blocksize}b count=10";
$? and die $?;
delete $processes{$p};
$? && die "error: command gave code $?: $c\n";
}
- print LOG " ok\n" or die $!;
- print " ok\n" or die $!;
+ pboth(" ok\n");
}
sub killprocesses {
# Parse a line from a filesystem definition file. We expect the line
# to be in $tf.
sub parsefsys () {
- if ($tf =~ m,^(/\S*)\s+(\w+)$,) {
- # Line of form '/file/system dumptype'
+ my ($dopts,$dopt);
+ if ($tf =~ m#^(/\S*)\s+(\w+)([,=0-9a-z]*)$#) {
+ # Line of form '[/device:]/file/system dumptype[,options]'
$atf= $1;
$tm= $2;
+ $dopts= $3;
$prefix= '<local>';
+ $pcstr= '';
stat $atf or die "stat $atf: $!";
-d _ or die "not a dir: $atf";
$rstr= '';
- } elsif ($tf =~ m,^(/\S*)\s+(\w+)\s+(\w+)$,) {
- # Line of form '/file/system dumptype prefix'
- # (used for remote backups, I think)
+ } elsif ($tf =~ m#^(/\S*)\s+(\w+)([,=0-9a-z]*)\s+(\w+)$#) {
+ # Line of form '[/device:]/file/system dumptype[,options] prefix'
+ # (used for remote backups)
$atf= $1;
$tm= $2;
- $prefix= $3;
+ $dopts= $3;
+ $prefix= $4;
+ $pcstr= "$prefix:";
defined($prefix{$prefix}) or die "prefix $prefix in $tf ?\n";
$rstr= $prefix{$prefix}.' ';
+ } else {
+ die "fsys $tf ?";
+ }
+
+ $dev = $atf =~ s,^(.*)\:,, ? $1 : '';
+
+ undef %dopt;
+ foreach $dopt (split /\,/,$dopts) {
+ if (grep { $dopt eq $_ } qw(gz)) {
+ $dopt{$dopt}= 'y';
+ } elsif ($dopt =~ m/\=/ && grep { $` eq $_ } qw(gz)) {
+ $dopt{$`}= $';
+ } elsif (length $dopt) {
+ die "unknown option $dopt (in $dopts $tf)";
+ }
+ }
+
+ my ($gzo);
+ foreach $gzo (qw(gz gzi)) {
+ if ($dopt{$gzo} eq 'y') {
+ $$gzo= '1';
+ } elsif ($dopt{$gzo} =~ m/^\d$/) {
+ $$gzo= $dopt{$gzo};
+ } elsif (defined $dopt{$gzo}) {
+ die "$tf bad $gzo";
+ } else {
+ $$gzo= '';
+ }
}
}