[Jenkins-65548] Fix - Random ordering of generated sources (#702)

* [Jenkins-65548] Fix - Random ordering of generated sources

* `dos2unix src/main/java/org/jenkinsci/maven/plugins/hpi/TagLibInterfaceGeneratorMojo.java`

---------

Co-authored-by: Jesse Glick <jglick@cloudbees.com>

src/main/java/org/jenkinsci/maven/plugins/hpi/TagLibInterfaceGeneratorMojo.java

@@ -21,6 +21,7 @@
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import org.apache.commons.io.FilenameUtils;
@@ -118,6 +119,10 @@ private void report(JPackage pkg, String fileName) {
     private void walk(File dir, JPackage pkg, String dirName) throws JClassAlreadyExistsException, IOException {
         File[] children = dir.listFiles(File::isDirectory);
         if (children != null) {
+            // Sorting the children to maintain a consistent order
+            // This is important for reproducible builds
+            Arrays.sort(children, (a, b) -> a.getName().compareToIgnoreCase(b.getName()));
+
             for (File child : children) {
                 walk(child, pkg.subPackage(h2j(child.getName())), dirName + '/' + child.getName());
             }
@@ -138,6 +143,10 @@ private void walk(File dir, JPackage pkg, String dirName) throws JClassAlreadyEx
 
                 File[] tags = dir.listFiles((unused, name) -> name.endsWith(".jelly"));
 
+                // Sorting the tags to maintain a consistent order
+                // This is important for reproducible builds
+                Arrays.sort(tags, (a, b) -> a.getName().compareToIgnoreCase(b.getName()));
+
                 long timestamp = -1;
 
                 for (File tag : tags) {