As found on chiark in /usr/local/lib/backup: better tapeid/tapedesc handling; added...

[chiark-utils.git] / backup / full

diff --git a/backup/full b/backup/full
index d3efa171894b752bb047f55049af0b6a47c3f7bb..0608e6095234da93eb529759efe88942c339bdb8 100755 (executable)
--- a/backup/full
+++ b/backup/full
@@ -14,6 +14,7 @@ system 'checkallused'; $? and die $?;
 printdate();
 
 unlink 'TAPEID';
+system "mt -f $tape rewind"; $? and die $?;
 system "mt -f $tape setblk $blocksizebytes"; $? and die $?;
 system "dd if=$tape bs=${blocksize}b count=10 | tar -b$blocksize -vvxf - TAPEID";
 
@@ -42,6 +43,13 @@ if (open L, "last-tape") {
 
 die "Tape $tapeid same as last time.\n" if $tapeid eq $lasttape;
 
+if (defined($tapedesc= readlink "$etc/tape.$tapeid")) {
+    $tapedesc =~ s/^.*\.//;
+    $tapedesc .= "($tapeid)";
+} else {
+    $tapedesc = $tapeid;
+}
+
 undef $fsys;
 open D, "$etc/tape.$tapeid" or die "Unknown tape $tapeid ($!).\n";
 for (;;) {
@@ -66,21 +74,18 @@ if ($incremental) {
        if defined($next) || defined($fsys);
     print STDERR "Incremental tape $tapeid.\n\n";
     setstatus "FAILED during incremental startup";
-    exec "increm $tapeid";
+    exec "increm",$tapeid,$tapedesc;
     die $!;
 }
 
 readfsys("$fsys");
 openlog();
 
-$doing= "dump of $fsys to tape $tapeid in drive $tape";
+$doing= "dump of $fsys to tape $tapedesc in drive $tape";
 print LOG "$doing:\n" or die $!;
 
-system "mt -f $tape rewind"; $? and die $?;
-system "mt -f $tape retension"; $? and die $?;
-
 open T, ">TAPEID" or die $!;
-print T "$tapeid\n" or die $!;
+print T "$tapeid\n$tapedesc\n" or die $!;
 close T or die $!;
 
 system "tar -b$blocksize -vvcf TAPEID.tar TAPEID"; $? and die $?;
@@ -162,5 +167,5 @@ rename 'increm-advance.new',"increm-advance" or die $!;
 
 print "$doing completed.\nNext dump tape is $next.\n" or die $!;
 
-setstatus "Successful ($tapeid $fsys, next $next)";
+setstatus "Successful: $tapedesc $fsys, next $next";
 exit 0;