From 6877846faf3a6588297d1d81483bcab4b526500b Mon Sep 17 00:00:00 2001
From: Puneet Dixit <236133619+puneetdixit200@users.noreply.github.com>
Date: Sat, 23 May 2026 16:12:34 +0530
Subject: [PATCH 1/3] Resolve get_url paths from explicit repo root

---
 dvc/repo/__init__.py        |  6 ++++--
 tests/func/api/test_data.py | 12 ++++++++++++
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/dvc/repo/__init__.py b/dvc/repo/__init__.py
index a7c3d4d7ca..612f9aa8d4 100644
--- a/dvc/repo/__init__.py
+++ b/dvc/repo/__init__.py
@@ -387,15 +387,17 @@ def get_data_index_entry(
         path: str,
         workspace: str = "repo",
     ) -> tuple["DataIndex", "DataIndexEntry"]:
+        fs_path = path if self.fs.isabs(path) else self.fs.join(self.root_dir, path)
         if self.subrepos:
-            fs_path = self.dvcfs.from_os_path(path)
+            fs_path = self.dvcfs.from_os_path(fs_path)
+            fs_path = self.dvcfs.join(self.dvcfs.root_marker, fs_path)
             fs = self.dvcfs.fs
             key = fs._get_key_from_relative(fs_path)
             subrepo, _, key = fs._get_subrepo_info(key)
             index = subrepo.index.data[workspace]
         else:
             index = self.index.data[workspace]
-            key = self.fs.relparts(path, self.root_dir)
+            key = self.fs.relparts(fs_path, self.root_dir)
 
         try:
             return index, index[key]
diff --git a/tests/func/api/test_data.py b/tests/func/api/test_data.py
index 48d4e98eed..20a1bcc8b8 100644
--- a/tests/func/api/test_data.py
+++ b/tests/func/api/test_data.py
@@ -94,6 +94,18 @@ def test_get_url_ignore_scm(tmp_dir, dvc, cloud, scm):
         api.get_url("foo", repo=repo_url, config={"core": {"no_scm": True}})
 
 
+def test_get_url_with_explicit_repo_from_subdir(tmp_dir, dvc, scm, cloud):
+    tmp_dir.add_remote(config=cloud.config)
+    tmp_dir.dvc_gen("foo", "foo", commit="add foo")
+    (tmp_dir / "subdir").mkdir()
+
+    expected_url = (
+        cloud / "files" / "md5" / "ac" / "bd18db4cc2f85cedef654fccc4a4d8"
+    ).url
+    with (tmp_dir / "subdir").chdir():
+        assert api.get_url("foo", repo=os.fspath(tmp_dir)) == expected_url
+
+
 def test_open_external(tmp_dir, erepo_dir, cloud):
     erepo_dir.add_remote(config=cloud.config)
 

From 5d157d0b0412dc98bd71f228c74793b0a40a4815 Mon Sep 17 00:00:00 2001
From: Puneet Dixit <236133619+puneetdixit200@users.noreply.github.com>
Date: Sat, 23 May 2026 21:59:21 +0530
Subject: [PATCH 2/3] Cover get_url subrepo paths from explicit root

---
 tests/func/api/test_data.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests/func/api/test_data.py b/tests/func/api/test_data.py
index 20a1bcc8b8..60214f0e38 100644
--- a/tests/func/api/test_data.py
+++ b/tests/func/api/test_data.py
@@ -274,6 +274,13 @@ def test_get_url_subrepos(tmp_dir, scm, local_cloud):
     )
     assert api.get_url(os.path.join("subrepo", "dir", "foo")) == expected_url
     assert api.get_url(os.path.join("subrepo", "dir", "foo"), repo=".") == expected_url
+    subdir = tmp_dir / "subdir"
+    subdir.mkdir()
+    with subdir.chdir():
+        assert (
+            api.get_url(os.path.join("subrepo", "dir", "foo"), repo=os.fspath(tmp_dir))
+            == expected_url
+        )
 
     expected_url = os.fspath(
         local_cloud / "files" / "md5" / "37" / "b51d194a7513e45b56f6524f2d51f2"

From 900d5cc7f74a1febec41efd1bec9273a8341d8e6 Mon Sep 17 00:00:00 2001
From: Puneet Dixit <236133619+puneetdixit200@users.noreply.github.com>
Date: Sun, 24 May 2026 11:22:36 +0530
Subject: [PATCH 3/3] tests: cover explicit-root data index lookup

---
 tests/func/api/test_data.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/func/api/test_data.py b/tests/func/api/test_data.py
index 60214f0e38..596853866c 100644
--- a/tests/func/api/test_data.py
+++ b/tests/func/api/test_data.py
@@ -104,6 +104,8 @@ def test_get_url_with_explicit_repo_from_subdir(tmp_dir, dvc, scm, cloud):
     ).url
     with (tmp_dir / "subdir").chdir():
         assert api.get_url("foo", repo=os.fspath(tmp_dir)) == expected_url
+        _, entry = dvc.get_data_index_entry("foo")
+        assert entry.hash_info.value == "acbd18db4cc2f85cedef654fccc4a4d8"
 
 
 def test_open_external(tmp_dir, erepo_dir, cloud):