Add truncated flag for git

scm-core/src/main/java/sonia/scm/repository/FileObject.java

@@ -87,7 +87,7 @@ public class FileObject implements LastModifiedAware, Serializable
     final FileObject other = (FileObject) obj;
 
     //J-
-    return Objects.equal(name, other.name) 
+    return Objects.equal(name, other.name)
            && Objects.equal(path, other.path)
            && Objects.equal(directory, other.directory)
            && Objects.equal(description, other.description)
@@ -282,6 +282,10 @@ public class FileObject implements LastModifiedAware, Serializable
     return computationAborted;
   }
 
+  public boolean isTruncated() {
+    return truncated;
+  }
+
   //~--- set methods ----------------------------------------------------------
 
   /**
@@ -403,6 +407,10 @@ public class FileObject implements LastModifiedAware, Serializable
     this.children.add(child);
   }
 
+  public void setTruncated(boolean truncated) {
+    this.truncated = truncated;
+  }
+
   //~--- fields ---------------------------------------------------------------
 
   /** file description */
@@ -435,4 +443,6 @@ public class FileObject implements LastModifiedAware, Serializable
 
   /** Children of this file (aka directory). */
   private Collection<FileObject> children = new ArrayList<>();
+
+  private boolean truncated;
 }

scm-plugins/scm-git-plugin/src/main/java/sonia/scm/repository/spi/GitBrowseCommand.java

@@ -153,6 +153,7 @@ public class GitBrowseCommand extends AbstractGitCommand
     fileObject.setName("");
     fileObject.setPath("");
     fileObject.setDirectory(true);
+    fileObject.setTruncated(false);
     return fileObject;
   }
 
@@ -253,7 +254,7 @@ public class GitBrowseCommand extends AbstractGitCommand
 
   private FileObject findChildren(FileObject parent, org.eclipse.jgit.lib.Repository repo, BrowseCommandRequest request, ObjectId revId, TreeWalk treeWalk) throws IOException {
     List<FileObject> files = Lists.newArrayList();
-    while (treeWalk.next() && resultCount < request.getLimit() + request.getProceedFrom())
+    while (treeWalk.next() && ++resultCount <= request.getLimit() + request.getProceedFrom())
     {
 
       FileObject fileObject = createFileObject(repo, request, revId, treeWalk);
@@ -262,12 +263,10 @@ public class GitBrowseCommand extends AbstractGitCommand
         return fileObject;
       }
 
-      if (resultCount >= request.getProceedFrom()) {
+      if (resultCount > request.getProceedFrom()) {
         files.add(fileObject);
       }
 
-      ++resultCount;
-
       if (request.isRecursive() && fileObject.isDirectory()) {
         treeWalk.enterSubtree();
         FileObject rc = findChildren(fileObject, repo, request, revId, treeWalk);
@@ -279,6 +278,10 @@ public class GitBrowseCommand extends AbstractGitCommand
 
     parent.setChildren(files);
 
+    if (resultCount > request.getLimit() + request.getProceedFrom()) {
+      parent.setTruncated(true);
+    }
+
     return null;
   }
 

scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/spi/GitBrowseCommandTest.java

@@ -72,6 +72,7 @@ public class GitBrowseCommandTest extends AbstractGitCommandTestBase {
     BrowserResult result = createCommand().getBrowserResult(request);
     FileObject fileObject = result.getFile();
     assertEquals("a.txt", fileObject.getName());
+    assertFalse(fileObject.isTruncated());
   }
 
   @Test
@@ -247,6 +248,7 @@ public class GitBrowseCommandTest extends AbstractGitCommandTestBase {
     Collection<FileObject> foList = root.getChildren();
 
     assertThat(foList).hasSize(2);
+    assertTrue(root.isTruncated());
   }
 
   @Test
@@ -261,6 +263,7 @@ public class GitBrowseCommandTest extends AbstractGitCommandTestBase {
     Collection<FileObject> foList = root.getChildren();
 
     assertThat(foList).extracting("name").contains("c", "f.txt");
+    assertFalse(root.isTruncated());
   }
 
   private FileObject findFile(Collection<FileObject> foList, String name) {