Fixed overriding of properties

spring-cloud-release-tools-core/src/main/java/org/springframework/cloud/release/internal/ReleaserProperties.java

@@ -22,6 +22,7 @@ import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
+import org.springframework.beans.BeanUtils;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.util.StringUtils;
 
@@ -518,4 +519,29 @@ public class ReleaserProperties {
 				+ this.sagan + ", fixedVersions=" + this.fixedVersions + ", metaRelease="
 				+ this.metaRelease + '}';
 	}
+
+	public ReleaserProperties copy() {
+		ReleaserProperties copy = new ReleaserProperties();
+		copy.setFixedVersions(new HashMap<>(this.fixedVersions));
+		copy.setWorkingDir(this.workingDir);
+		Git git = new Git();
+		BeanUtils.copyProperties(this.git, git);
+		copy.setGit(git);
+		Gradle gradle = new Gradle();
+		BeanUtils.copyProperties(this.gradle, gradle);
+		copy.setGradle(gradle);
+		Maven maven = new Maven();
+		BeanUtils.copyProperties(this.maven, maven);
+		copy.setMaven(maven);
+		MetaRelease metaRelease = new MetaRelease();
+		BeanUtils.copyProperties(this.metaRelease, metaRelease);
+		copy.setMetaRelease(metaRelease);
+		Pom pom = new Pom();
+		BeanUtils.copyProperties(this.pom, pom);
+		copy.setPom(pom);
+		Sagan sagan = new Sagan();
+		BeanUtils.copyProperties(this.sagan, sagan);
+		copy.setSagan(sagan);
+		return copy;
+	}
 }

spring-cloud-release-tools-core/src/test/java/org/springframework/cloud/release/internal/ReleaserPropertiesTests.java

@@ -1,5 +1,12 @@
 package org.springframework.cloud.release.internal;
 
+import java.lang.reflect.Array;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.google.common.collect.Maps;
+import org.assertj.core.api.BDDAssertions;
 import org.junit.Test;
 
 import static org.assertj.core.api.BDDAssertions.then;
@@ -25,4 +32,55 @@ public class ReleaserPropertiesTests {
 		then(properties.getWorkingDir()).isNotEmpty();
 	}
 
+	@Test
+	public void should_return_a_copy_of_properties() throws Exception {
+		ReleaserProperties properties = new ReleaserProperties();
+		properties.setWorkingDir("foo");
+		properties.setFixedVersions(map());
+		properties.getMaven().setBuildCommand("foo2");
+		properties.getGradle().setIgnoredGradleRegex(Arrays.asList("foo3", "foo4"));
+		properties.getMetaRelease().setProjectsToSkip(Arrays.asList("foo5", "foo6"));
+		properties.getGit().setPassword("foo7");
+		properties.getPom().setIgnoredPomRegex(Arrays.asList("foo8", "foo9"));
+		properties.getSagan().setBaseUrl("foo10");
+
+		ReleaserProperties copy = properties.copy();
+		copy.setWorkingDir("bar");
+		copy.setFixedVersions(map2());
+		copy.getMaven().setBuildCommand("bar2");
+		copy.getGradle().setIgnoredGradleRegex(Arrays.asList("bar3", "bar4"));
+		copy.getMetaRelease().setProjectsToSkip(Arrays.asList("bar5", "bar6"));
+		copy.getGit().setPassword("bar7");
+		copy.getPom().setIgnoredPomRegex(Arrays.asList("bar8", "bar9"));
+		copy.getSagan().setBaseUrl("bar10");
+
+		BDDAssertions.then(properties.getWorkingDir())
+				.isEqualTo("foo");
+		BDDAssertions.then(properties.getFixedVersions())
+				.isEqualTo(map());
+		BDDAssertions.then(properties.getMaven().getBuildCommand())
+				.isEqualTo("foo2");
+		BDDAssertions.then(properties.getGradle().getIgnoredGradleRegex())
+				.isEqualTo(Arrays.asList("foo3", "foo4"));
+		BDDAssertions.then(properties.getMetaRelease().getProjectsToSkip())
+				.isEqualTo(Arrays.asList("foo5", "foo6"));
+		BDDAssertions.then(properties.getGit().getPassword())
+				.isEqualTo("foo7");
+		BDDAssertions.then(properties.getPom().getIgnoredPomRegex())
+				.isEqualTo(Arrays.asList("foo8", "foo9"));
+		BDDAssertions.then(properties.getSagan().getBaseUrl())
+				.isEqualTo("foo10");
+	}
+
+	private Map<String, String> map() {
+		Map<String, String> map = new HashMap<>();
+		map.put("foo", "bar");
+		return map;
+	}
+
+	private Map<String, String> map2() {
+		Map<String, String> map = new HashMap<>();
+		map.put("bar", "foo");
+		return map;
+	}
 }