add default entries as build time to MANIFEST.MF file in Maven

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#3 opened on Mar 30, 2022 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 35/100

Issue type: Feature
Clarity: Mostly clear
Activity status: Stale
Tech stack: java
Domain: build-system

Research direction

Start with the master POM's build plugins section and search the other POM files for maven-jar-plugin usage. Verify the requested manifest configuration and timestamp properties against the Maven build, then confirm that generated MANIFEST.MF files contain the default implementation/specification entries and Build-Time value.

Written by the indexing model from the issue text.

Description

in master pom file you could add this snipped to implement the above:

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>3.1.0</version>
            <configuration>
                <archive>
                    <manifest>
                        <addClasspath>false</addClasspath>
                        <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
                        <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
                    </manifest>
		<manifestEntries>
		    <Build-Time>${maven.build.timestamp}</Build-Time>
		</manifestEntries>						
                </archive>
            </configuration>
        </plugin>

as first child of

also search in the other pom files where maven-jar-plugin is been used and add this to them:

		<manifestEntries>
		    <Build-Time>${maven.build.timestamp}</Build-Time>
		</manifestEntries>

In order to add Build-Time into the MANIFEST.MF file

		<properties>
			<timestamp>${maven.build.timestamp}</timestamp>
			<maven.build.timestamp.format>yyyyMMdd'-'HHmmss</maven.build.timestamp.format>
		</properties>

https://github.com/redisson/redisson/issues/2185

Dominant language: Python
Stars: 5
Forks: 2
PR merge metrics: No merged PRs in 30d

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