From 0d627b60bcb9fa10ecc789a09a58587ce995b0de Mon Sep 17 00:00:00 2001
From: Jiaming Yuan <jm.yuan@outlook.com>
Date: Thu, 16 Jan 2025 23:12:44 +0800
Subject: [PATCH] vig.

---
 doc/conf.py                | 8 ++++++++
 doc/jvm/javadocs/index.rst | 1 +
 2 files changed, 9 insertions(+)

diff --git a/doc/conf.py b/doc/conf.py
index 25d622b11dea..d6a42304eda3 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -93,6 +93,7 @@ def get_branch() -> str:
 # sphinx configuration, which somehow makes sphinx to copy the extracted html files to
 # the build directory.
 
+
 def build_jvm_docs() -> None:
     """Build docs for the JVM packages"""
     git_branch = get_branch()
@@ -145,6 +146,13 @@ def try_fetch_r_doc(branch: str) -> bool:
 
             with tarfile.open(filename, "r:bz2") as t:
                 t.extractall(r_doc_dir)
+
+            for root, subdir, files in os.walk(os.path.join(r_doc_dir, "doc", "R-package")):
+                for f in files:
+                    assert f.endswith(".md")
+                    src = os.path.join(root, f)
+                    dst = os.path.join(PROJECT_ROOT, "doc", "R-package", f)
+                    shutil.move(src, dst)
             return True
         except HTTPError:
             print(f"R doc not found at {url}. Falling back to the master branch.")
diff --git a/doc/jvm/javadocs/index.rst b/doc/jvm/javadocs/index.rst
index 3ff7b882136b..c6e38af94eca 100644
--- a/doc/jvm/javadocs/index.rst
+++ b/doc/jvm/javadocs/index.rst
@@ -1,4 +1,5 @@
 :orphan:
+
 ==================
 XGBoost4J Java API
 ==================