Merge lp:~lachlan-mulcahy/percona-xtrabackup/1.7-bug859546 into lp:percona-xtrabackup/2.0

[Lachlan Mulcahy]

Fix bug 859546 - Treat file not found (error code 2) as non-fatal when tar streaming non .ibd files in backup_files()

[Alexey Kopytov (akopytov)]

Looks good to me.

review: Approve

=== modified file 'innobackupex'
--- innobackupex	2011-10-05 02:31:10 +0000
+++ innobackupex	2011-10-05 17:43:27 +0000
@@ -1873,9 +1873,16 @@
                 $ret = system("cd $source_dir; tar cf - $database/$file_name") >> 8;
                 if ($ret == 1) {
                     print STDERR "$prefix If you use GNU tar, this warning can be ignored.\n";
+                # Check for non-zero exit code
                 } elsif ($ret != 0) {
                     print STDERR "$prefix tar returned with exit code $ret.\n";
-                    Die "Failed to stream '$database/$file_name': $!";
+                    # Only treat as fatal cases where the file exists
+                    if ( -e "$database/$file_name" ) {
+                        Die "Failed to stream '$database/$file_name': $!";
+                    } else {
+                        print STDERR "$prefix Ignoring nonexistent file '$database/$file_name'.\n";
+                    }
+
                 }
             }
         }