#!/usr/bin/perl
# rmulti.pl
# Called when a tape change is needed for a multi-file restore. Links the
# base filename to the next one in the ordered sequence of multi-files
$no_acl_check++;
delete($ENV{'SCRIPT_NAME'}); # force use of $0 to determine module
delete($ENV{'FOREIGN_MODULE_NAME'});
require './fsdump-lib.pl';
$ARGV[0] =~ /^(.*)\/([^\/]+)$/ || die "Missing filename";
$dir = $1;
$file = $2;
# Find out where we are up to
$lnk = readlink($ARGV[0]);
if ($lnk =~ /^\Q$file\E\.(\d+)$/ && -r "$dir/$lnk" && !$ARGV[1]) {
# Going to next file
$nxt = "$file.".($1 + 1);
}
else {
# First file
-r $ARGV[0] && !-l $ARGV[0] &&
die "$ARGV[0] is not a link to the current archive!";
$nxt = "$file.1";
}
# Update the link
unlink($ARGV[0]);
symlink($nxt, $ARGV[0]);
exit(0);
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