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// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.pgm;
import com.google.gerrit.client.GerritVersion;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
/** Display the version of Gerrit. */
public class Version extends AbstractProgram {
private static String version;
public static synchronized String getVersion() {
if (version == null) {
final Properties p = new Properties();
final InputStream in =
GerritVersion.class.getResourceAsStream(GerritVersion.class
.getSimpleName()
+ ".properties");
if (in == null) {
return null;
}
try {
try {
p.load(in);
} finally {
in.close();
}
version = p.getProperty("version");
} catch (IOException e) {
return null;
}
}
return version;
}
@Override
public int run() throws Exception {
final String v = getVersion();
if (v == null) {
System.err.println("fatal: version unavailable");
return 1;
}
System.out.println("gerrit version " + v);
return 0;
}
}