30e6c8c0705cdeeeceaa28149ecad2e9b67d1cb8,src/java/org/apache/hadoop/hbase/util/Migrate.java,Migrate,run,#String[]#,124

Before Change



      // See if there is a file system version file

      if (FSUtils.checkVersion(fs, rootdir)) {
        LOG.info("No upgrade necessary.");
        return 0;
      }

After Change



      LOG.info("Starting upgrade" + (readOnly ? " check" : ""));

      rootdir = fs.makeQualified(new Path(this.conf.get(HConstants.HBASE_DIR)));

      if (!fs.exists(rootdir)) {
        throw new FileNotFoundException("HBase root directory " +
            rootdir.toString() + " does not exist.");
      }

      // See if there is a file system version file

      String version = FSUtils.checkVersion(fs, rootdir);
      if (version != null && 
          version.compareTo(HConstants.FILE_SYSTEM_VERSION) == 0) {
        LOG.info("No upgrade necessary.");