[ http://jira.codehaus.org/browse/MAVEN-1623?page=comments#action_54000 ]
Laird Nelson commented on MAVEN-1623:
-------------------------------------
For those who care, here is a port of the copyResources tag in jelly with the
added setPreserveLastModified() call thrown in there. Stand back. You'll need
to set a jelly variable named "todir" to the destination directory name.
<j:forEach var="resource" items="${pom.build.resources}">
<j:set var="directoryName" value="${resource.directory}"/>
<j:new var="directory" className="java.io.File">
<j:arg value="${directoryName}"/>
</j:new>
<j:choose>
<j:when test="${directory.exists() and directory.isDirectory() and
directory.canRead()}">
<j:new var="targetDirectoryBuffer" className="java.lang.StringBuffer">
<j:arg value="${todir}"/>
</j:new>
<j:set var="targetPath" value="${resource.targetPath}"/>
<j:if test="${targetPath != null and targetPath.trim().length() !=
0}">
<j:mute>
<j:expr
value="${targetDirectoryBuffer.append('/').append(targetPath)}"/>
</j:mute>
</j:if>
<j:new var="targetDirectory" className="java.io.File">
<j:arg value="${targetDirectoryBuffer.toString()}"/>
</j:new>
<j:new var="copyTask" className="org.apache.tools.ant.taskdefs.Copy"/>
<j:expr value="${copyTask.setProject(context.getAntProject())}"/>
<j:expr value="${copyTask.setTodir(targetDirectory)}"/>
<j:expr value="${copyTask.setFiltering(resource.isFiltering())}"/>
<j:expr value="${copyTask.setOverwrite(resource.isFiltering())}"/>
<j:expr value="${copyTask.setPreserveLastModified(true)}"/>
<j:new var="fileSet" className="org.apache.tools.ant.types.FileSet"/>
<j:expr value="${fileSet.setDir(directory)}"/>
<j:if test="${resource.includes.isEmpty()}">
<j:set var="entry" value="${fileSet.createInclude()}"/>
<j:set var="starStarSlashStarStar" value="**/**"/>
<j:expr value="${entry.setName(starStarSlashStarStar)}"/>
</j:if>
<j:forEach var="includeString" items="${resource.includes}">
<j:set var="entry" value="${fileSet.createInclude()}"/>
<j:expr value="${entry.setName(includeString)}"/>
</j:forEach>
<j:forEach var="excludeString" items="${resource.excludes}">
<j:set var="entry" value="${fileSet.createExclude()}"/>
<j:expr value="${entry.setName(excludeString)}"/>
</j:forEach>
<j:expr value="${copyTask.addFileset(fileSet)}"/>
<j:expr value="${copyTask.execute()}"/>
</j:when>
<j:otherwise>
<ant:echo message="${targetDirectory} is either not a directory, not
readable, or nonexistent."/>
</j:otherwise>
</j:choose>
</j:forEach>
Cheers,
Laird ([EMAIL PROTECTED])
> copyResources does not preservelastmodified
> -------------------------------------------
>
> Key: MAVEN-1623
> URL: http://jira.codehaus.org/browse/MAVEN-1623
> Project: Maven
> Type: Bug
> Environment: maven-1.0rc3
> Reporter: Matthias Kerkhoff
> Priority: Minor
> Fix For: 1.1-beta-3
>
>
> I noticed that whenever files are copied with the help of maven:copyResources
> the lastModified time is updated.
> This happens because the underlying ant copyTask is not
> called with preserveLastModified=true.
> (org.apache.maven.jelly.tags.maven.CopyResources, lines 109-137)
> While this is only annoying for me, I can easily imagine situations in which
> this behaviour will cause real problems.
> For example, commercial software often checks the last
> modified timestamp of some files.
> Actually, I digged into this because I tried to understand why some ears and
> rars in our project are constantly rebuild - even if we didn't change
> anything between the builds. So, fixing this (or adding an additional
> parameter to the tag) may also result in a performance gain.
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