From 6c7843a1988c1cc7214fea57b7c2c8f7a8d27715 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 25 Feb 2026 08:29:13 +0000
Subject: [PATCH 1/2] Initial plan


From 5938ae3510e720e39aeabf4622bcc976a0dc54ca Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 25 Feb 2026 08:32:42 +0000
Subject: [PATCH 2/2] fix: resolve relative includes from relative config paths

Co-authored-by: Byron <63622+Byron@users.noreply.github.com>
---
 git/config.py       |  3 ++-
 test/test_config.py | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/git/config.py b/git/config.py
index c6eaf8f7b..b84c648dd 100644
--- a/git/config.py
+++ b/git/config.py
@@ -661,7 +661,8 @@ def read(self) -> None:  # type: ignore[override]
                             continue
                         # END ignore relative paths if we don't know the configuration file path
                         file_path = cast(PathLike, file_path)
-                        assert osp.isabs(file_path), "Need absolute paths to be sure our cycle checks will work"
+                        if not osp.isabs(file_path):
+                            file_path = osp.abspath(file_path)
                         include_path = osp.join(osp.dirname(file_path), include_path)
                     # END make include path absolute
                     include_path = osp.normpath(include_path)
diff --git a/test/test_config.py b/test/test_config.py
index 11ea52d16..4701c51b3 100644
--- a/test/test_config.py
+++ b/test/test_config.py
@@ -246,6 +246,17 @@ def check_test_value(cr, value):
         with GitConfigParser(fpa, read_only=True) as cr:
             check_test_value(cr, tv)
 
+    @with_rw_directory
+    def test_relative_include_with_relative_config_path(self, rw_dir):
+        fpa = osp.join(rw_dir, "a")
+        fpb = osp.join(rw_dir, "b")
+        with GitConfigParser(fpb, read_only=False) as cw:
+            cw.set_value("b", "value", "b")
+        with GitConfigParser(fpa, read_only=False) as cw:
+            cw.set_value("include", "path", "b")
+        with GitConfigParser(osp.relpath(fpa), read_only=True) as cr:
+            assert cr.get_value("b", "value") == "b"
+
     @with_rw_directory
     def test_multiple_include_paths_with_same_key(self, rw_dir):
         """Test that multiple 'path' entries under [include] are all respected.