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https://issues.apache.org/jira/browse/MSHARED-494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125496#comment-15125496
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Michael Osipov edited comment on MSHARED-494 at 1/31/16 8:53 PM:
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This method does not write the timestamp. Oracle's implementation of
[{{store()}}|http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/util/Properties.java#Properties.store0%28java.io.BufferedWriter%2Cjava.lang.String%2Cboolean%29]
does write the stupid {{new Date().toString()}}. If you provide a proper
implementation of an
[{{FilterOutputStream}}|https://docs.oracle.com/javase/7/docs/api/java/io/FilterOutputStream.html]
wich drops this line, I will add it to the code.
was (Author: michael-o):
This method does not write the timestamp. Oracle's implementation of
[{{store()}}|http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/util/Properties.java#Properties.store0%28java.io.BufferedWriter%2Cjava.lang.String%2Cboolean%29]
does write the stupid {{new Date().toString()}}.
> Impossible to generate a reproducible build due to timestamp in pom.properties
> ------------------------------------------------------------------------------
>
> Key: MSHARED-494
> URL: https://issues.apache.org/jira/browse/MSHARED-494
> Project: Maven Shared Components
> Issue Type: Bug
> Components: maven-archiver
> Affects Versions: maven-archiver-3.0.0
> Reporter: Emanuele Tagliaferri
> Priority: Minor
>
> Try to making a pom for do a reproducible build, meaning by reproducible
> build the ability to produce the exact same artifact (same checksum) starting
> from the same code, a two different times, i had some trouble with the files
> generated in: /META-INF/maven/groupId/artifactId/
> in the specific the /META-INF/maven/groupId/artifactId/pom.properties
> contains the timestamp.
> digging in the code in the class:
> http://svn.apache.org/viewvc/maven/shared/tags/maven-archiver-3.0.0/src/main/java/org/apache/maven/archiver/PomPropertiesUtil.java?revision=1708674&view=markup
> line 86
> is used the java.util.Properties#store which write the timestamp in any case.
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