overrideUmask option to ensure permissions in packaged archive match requested ones.

Author: mabrarov

src/main/java/org/apache/maven/plugins/assembly/AssemblerConfigurationSource.java

@@ -223,4 +223,9 @@ public interface AssemblerConfigurationSource {
      * @return Override group name.
      */
     String getOverrideGroupName();
+
+    /**
+     * @return Override umask.
+     */
+    Integer getOverrideUmask();
 }

src/main/java/org/apache/maven/plugins/assembly/archive/DefaultAssemblyArchiver.java

@@ -347,6 +347,10 @@ protected Archiver createArchiver(
         if (StringUtils.isNotBlank(configSource.getOverrideGroupName())) {
             archiver.setOverrideGroupName(StringUtils.trim(configSource.getOverrideGroupName()));
         }
+        final Integer overrideUmask = configSource.getOverrideUmask();
+        if (overrideUmask != null) {
+            archiver.setUmask(overrideUmask);
+        }
 
         return archiver;
     }

src/main/java/org/apache/maven/plugins/assembly/mojos/AbstractAssemblyMojo.java

@@ -430,6 +430,12 @@ public abstract class AbstractAssemblyMojo extends AbstractMojo implements Assem
     @Parameter
     private String overrideGroupName;
 
+    /**
+     * Override of umask.
+     */
+    @Parameter
+    private Integer overrideUmask;
+
     public static FixedStringSearchInterpolator mainProjectInterpolator(MavenProject mainProject) {
         if (mainProject != null) {
             // 5
@@ -879,4 +885,9 @@ public Integer getOverrideGid() {
     public String getOverrideGroupName() {
         return this.overrideGroupName;
     }
+
+    @Override
+    public Integer getOverrideUmask() {
+        return this.overrideUmask;
+    }
 }

src/test/java/org/apache/maven/plugins/assembly/testutils/PojoConfigSource.java

@@ -451,4 +451,9 @@ public Integer getOverrideGid() {
     public String getOverrideGroupName() {
         return "root";
     }
+
+    @Override
+    public Integer getOverrideUmask() {
+        return null;
+    }
 }