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[MNG-4368] DefaultArtifactInstaller should only overwrite files if timestamp has changed 

o Improved logging to make optimization visible to end-user

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-3/trunk@894349 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Benjamin Bentmann 2009-12-29 10:58:04 +00:00
parent 9121bccc93
commit 02e2e6664c
1 changed files with 3 additions and 3 deletions
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6
maven-compat/src/main/java/org/apache/maven/artifact/installer/DefaultArtifactInstaller.java
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@ -80,20 +80,20 @@ public class DefaultArtifactInstaller
destination.getParentFile().mkdirs();
}
getLogger().info( "Installing " + source.getPath() + " to " + destination );
boolean copy =
!destination.exists() || "pom".equals( artifact.getType() )
|| source.lastModified() != destination.lastModified() || source.length() != destination.length();
if ( copy )
{
getLogger().info( "Installing " + source + " to " + destination );
FileUtils.copyFile( source, destination );
destination.setLastModified( source.lastModified() );
}
else
{
getLogger().debug( "Skipped re-installation of " + destination + ", seems unchanged" );
getLogger().info( "Skipped re-installing " + source + " to " + destination + ", seems unchanged" );
}
// must be after the artifact is installed