Sort files with an upper case letter first

scm-core/src/main/java/sonia/scm/repository/spi/BrowseCommand.java

@@ -67,7 +67,7 @@ public interface BrowseCommand
   default <T> void sort(List<T> entries, Function<T, Boolean> isDirectory, Function<T, String> nameOf) {
     entries.sort((e1, e2) -> {
       if (isDirectory.apply(e1).equals(isDirectory.apply(e2))) {
-        return nameOf.apply(e1).toLowerCase(Locale.ENGLISH).compareTo(nameOf.apply(e2).toLowerCase(Locale.ENGLISH));
+        return nameOf.apply(e1).compareTo(nameOf.apply(e2));
       } else if (isDirectory.apply(e1)) {
         return -1;
       } else {

scm-core/src/test/java/sonia/scm/repository/spi/BrowseCommandTest.java

@@ -0,0 +1,70 @@
+package sonia.scm.repository.spi;
+
+import org.junit.jupiter.api.Test;
+import sonia.scm.repository.BrowserResult;
+
+import java.io.IOException;
+import java.util.List;
+
+import static java.util.Arrays.asList;
+import static org.assertj.core.api.Assertions.assertThat;
+import static sonia.scm.repository.spi.BrowseCommandTest.Entry.d;
+import static sonia.scm.repository.spi.BrowseCommandTest.Entry.f;
+
+class BrowseCommandTest implements BrowseCommand {
+
+  @Test
+  void shouldSort() {
+    List<Entry> entries = asList(
+      f("b.txt"),
+      f("a.txt"),
+      f("Dockerfile"),
+      f(".gitignore"),
+      d("src"),
+      f("README")
+    );
+
+    sort(entries, Entry::isDirecotry, Entry::getName);
+
+    assertThat(entries).extracting("name")
+      .containsExactly(
+        "src",
+        ".gitignore",
+        "Dockerfile",
+        "README",
+        "a.txt",
+        "b.txt"
+      );
+  }
+
+  @Override
+  public BrowserResult getBrowserResult(BrowseCommandRequest request) throws IOException {
+    return null;
+  }
+
+  static class Entry {
+    private final String name;
+    private final boolean direcotry;
+
+    static Entry f(String name) {
+      return new Entry(name, false);
+    }
+
+    static Entry d(String name) {
+      return new Entry(name, true);
+    }
+
+    public Entry(String name, boolean direcotry) {
+      this.name = name;
+      this.direcotry = direcotry;
+    }
+
+    public String getName() {
+      return name;
+    }
+
+    public boolean isDirecotry() {
+      return direcotry;
+    }
+  }
+}