From 62f733818176df7d9ce48a3086a46c70de187329 Mon Sep 17 00:00:00 2001
From: Mark Paluch <mpaluch@pivotal.io>
Date: Tue, 9 Jul 2019 14:11:57 +0200
Subject: [PATCH] #840 - Conditionally deploy schema files.

Do not fail if the project has no schema files.
---
 parent/pom.xml | 66 +++++++++++++++++++++++++++++---------------------
 1 file changed, 39 insertions(+), 27 deletions(-)

diff --git a/parent/pom.xml b/parent/pom.xml
index 513e3bfa..44a53ef9 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -750,6 +750,7 @@
 					<!--
 						Copies all namespaces schemas to target/schemas flatten the directory structure.
 						Depended on by the site.xml assembly descriptor.
+						Conditional execution if schemas are present.
 					-->
 
 					<plugin>
@@ -763,8 +764,10 @@
 								<configuration>
 									<target>
 										<copy todir="${project.build.directory}/schemas">
-											<fileset dir="${basedir}" erroronmissingdir="false">
-												<include name="**/src/main/resources/**/config/spring-*.xsd"/>
+											<fileset dir="${basedir}"
+													 erroronmissingdir="false">
+												<include
+														name="**/src/main/resources/**/config/spring-*.xsd"/>
 											</fileset>
 											<flattenmapper/>
 										</copy>
@@ -775,6 +778,39 @@
 								</goals>
 							</execution>
 
+							<execution>
+								<id>check-schema-files</id>
+								<phase>prepare-package</phase>
+								<configuration>
+									<target>
+										<available
+												file="${project.build.directory}/schemas"
+												property="schema.present"/>
+									</target>
+									<exportAntProperties>true</exportAntProperties>
+								</configuration>
+								<goals>
+									<goal>run</goal>
+								</goals>
+							</execution>
+							<execution>
+								<id>zip-schema-files</id>
+								<phase>prepare-package</phase>
+								<configuration>
+									<target if="schema.present">
+										<zip destfile="${project.build.directory}/${dist.id}-${project.version}-schema.zip"
+											 basedir="${project.build.directory}/schemas"
+											 whenempty="skip"/>
+										<attachartifact
+												file="${project.build.directory}/${dist.id}-${project.version}-schema.zip"
+												classifier="schema" type="zip"/>
+									</target>
+								</configuration>
+								<goals>
+									<goal>run</goal>
+								</goals>
+							</execution>
+
 						</executions>
 
 					</plugin>
@@ -789,30 +825,6 @@
 				<pluginManagement>
 					<plugins>
 
-						<!--
-							Creates schema zip.
-						-->
-						<plugin>
-							<groupId>org.apache.maven.plugins</groupId>
-							<artifactId>maven-assembly-plugin</artifactId>
-							<executions>
-								<execution>
-									<id>schema</id>
-									<goals>
-										<goal>single</goal>
-									</goals>
-									<phase>package</phase>
-									<configuration>
-										<descriptors>
-											<descriptor>${shared.resources}/assemblies/schema.xml</descriptor>
-										</descriptors>
-										<finalName>${dist.id}</finalName>
-										<appendAssemblyId>true</appendAssemblyId>
-									</configuration>
-								</execution>
-							</executions>
-						</plugin>
-
 						<!-- Deploy to Artifactory -->
 
 						<plugin>
@@ -832,7 +844,7 @@
 										<deployProperties>
 											<zip.name>${dist.id}</zip.name>
 											<zip.displayname>${dist.id}</zip.displayname>
-											<zip.deployed>true</zip.deployed>
+											<zip.deployed>false</zip.deployed>
 											<zip.type>schema</zip.type>
 										</deployProperties>
 										<buildInfo>