/
verify.groovy
65 lines (52 loc) · 2.25 KB
/
verify.groovy
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
import java.io.*;
import java.lang.module.*;
import java.nio.file.attribute.FileTime;
import java.time.Instant;
import java.util.*;
import java.util.jar.*;
File target = new File( basedir, "target" )
assert target.exists()
assert target.isDirectory()
File artifact = new File( target, "mjar-275-reproducible-multi-release-modular-jar-1.0-SNAPSHOT.jar" );
assert artifact.exists()
assert artifact.isFile()
JarFile jar = new JarFile( artifact );
Attributes manifest = jar.getManifest().getMainAttributes();
assert "myproject.HelloWorld".equals( manifest.get( Attributes.Name.MAIN_CLASS ) )
InputStream moduleDescriptorInputStream = jar.getInputStream( jar.getEntry( "META-INF/versions/9/module-info.class" ) );
ModuleDescriptor moduleDescriptor = ModuleDescriptor.read( moduleDescriptorInputStream );
assert "myproject.HelloWorld".equals( moduleDescriptor.mainClass().orElse( null ) )
// Normalize to UTC
long normalizeUTC( String timestamp )
{
long millis = Instant.parse( timestamp ).toEpochMilli();
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis( millis );
return millis - ( cal.get( Calendar.ZONE_OFFSET ) + cal.get( Calendar.DST_OFFSET ) );
}
// All entries should have the same timestamp
FileTime expectedTimestamp = FileTime.fromMillis( normalizeUTC( "2022-06-26T13:25:58Z" ) );
Enumeration<JarEntry> entries = jar.entries();
while ( entries.hasMoreElements() )
{
assert expectedTimestamp.equals( entries.nextElement().getLastModifiedTime() )
}
jar.close();