New file created by copy/paste in git repo ignores commit exclusion flag

In addition to the create case, the copy case for new files also needs
to check the exclusion flag.

Closes: #7006

ide/git/src/org/netbeans/modules/git/FilesystemInterceptor.java

@@ -348,8 +348,12 @@ public void doCopy (final File from, final File to) throws IOException {
             FileUtils.copyFile(from, to);
         }
 
-        if (root == null || cache.getStatus(to).containsStatus(Status.NOTVERSIONED_EXCLUDED)) {
-            // target lies under ignored folder, do not add it
+        if (root == null
+                // target lies under ignored folder, do not add it
+                || cache.getStatus(to).containsStatus(Status.NOTVERSIONED_EXCLUDED)
+                // user choose that new files shall be excluded from commit by
+                // default, so follow that decision
+                || GitModuleConfig.getDefault().getExludeNewFiles()) {
             return;
         }
         GitClient client = null;

ide/git/test/unit/src/org/netbeans/modules/git/FilesystemInterceptorTest.java

@@ -1044,6 +1044,39 @@ public void testCopyVersionedFile_DO() throws Exception {
         assertFalse(info.isCopied());
     }
 
+    public void testCopyVersionedFile_DO_IgnoreNewFiles() throws Exception {
+        try {
+            GitModuleConfig.getDefault().setExcludeNewFiles(true);
+
+            // init
+            File fromFile = new File(repositoryLocation, "file");
+            fromFile.createNewFile();
+            File toFolder = new File(repositoryLocation, "toFolder");
+            toFolder.mkdirs();
+            add();
+            commit();
+            File toFile = new File(toFolder, fromFile.getName());
+
+            // copy
+            h.setFilesToRefresh(Collections.singleton(toFile));
+            copyDO(fromFile, toFile);
+            assertTrue(h.waitForFilesToRefresh());
+            getCache().refreshAllRoots(Collections.singleton(fromFile));
+
+            // test
+            assertTrue(fromFile.exists());
+            assertTrue(toFile.exists());
+
+            assertEquals(EnumSet.of(Status.UPTODATE), getCache().getStatus(fromFile).getStatus());
+            FileInformation info = getCache().getStatus(toFile);
+            assertEquals(EnumSet.of(Status.NEW_INDEX_WORKING_TREE, Status.NEW_HEAD_WORKING_TREE), info.getStatus());
+            // sadly does not work in jgit
+            assertFalse(info.isCopied());
+        } finally {
+            GitModuleConfig.getDefault().setExcludeNewFiles(false);
+        }
+    }
+
     public void testCopyUnversionedFile_DO() throws Exception {
         // init
         File fromFile = new File(repositoryLocation, "file");