ensure directory exists when copying an artifact

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@113239 13f79535-47bb-0310-9956-ffa450edef68

repository/plugin.jelly

@@ -374,6 +374,7 @@
     <repository:required name="type" value="${type}" />
 
     <j:set var="directory" value="${maven.repo.central.directory}/${groupId}/${type}s/" />
+    <repository:exec command="mkdir -p ${directory}; chmod g+ws ${directory}; chgrp ${maven.repository.group} ${directory}"/>
     <repository:copy from="${artifact}" toFileOrDir="${directory}" />
 
     <u:file name="${artifact}" var="artifactFile"/>