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https://issues.apache.org/jira/browse/MSHARED-1285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17773241#comment-17773241
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ASF GitHub Bot commented on MSHARED-1285:
-----------------------------------------
OLibutzki commented on PR #77:
URL: https://github.com/apache/maven-filtering/pull/77#issuecomment-1752774319
Any chances to get some progress into this PR? From an Eclipse user
perspective this issue is really annoying as some resources are not copied to
the target/classes folder.
//cc @khmarbaise
> DefaultMavenResourcesFiltering uses BuildContext in a way that fails sometimes
> ------------------------------------------------------------------------------
>
> Key: MSHARED-1285
> URL: https://issues.apache.org/jira/browse/MSHARED-1285
> Project: Maven Shared Components
> Issue Type: Bug
> Reporter: Christoph Läubrich
> Priority: Major
>
> The maven resources plugin uses
> [https://github.com/apache/maven-filtering/blob/master/src/main/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFiltering.java]
> to copy resources, but that component has some subtile flaws reported here:
> [https://github.com/eclipse-m2e/m2e-core/discussions/1468]
> The problematic part is the usage of BuildContext#newScanner that already
> mentions in the javadoc that passing ignoreDelta to neScanner might not
> reveal all required items +*for copy-resources*+ form A -> B and instead
> BuildContext#isUpTodate should be used.
> Just from a quick look I assume that part of code actually wants to use
> something like this:
> {code:java}
> DirectoryScanner ds = new DirectoryScanner() {
> @Override
> protected boolean isSelected(String name, File file) {
> if (file.isFile() && buildContext.isUptodate(getTargetFile(file), file))
> {
> return false;
> }
> return true;
> }
> };
> ds.setBasedir(basedir); {code}
> That way all the code that currently checks for if output directory existed
> before can also be removed what is another issue because it leads to a full
> resources copy even if source+target are already even if a single class file
> is changed while the idea seems more that if the output was not there it
> should not try to be incremental!
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