From e39a70789201eb4ee2d40b67f7654aec0c8e3a3f Mon Sep 17 00:00:00 2001
From: JinWang An <jinwang.an@samsung.com>
Date: Mon, 27 Mar 2023 17:02:36 +0900
Subject: [PATCH] Imported Upstream version 58.0.4

---
 .bumpversion.cfg                | 2 +-
 CHANGES.rst                     | 9 +++++++++
 setup.cfg                       | 2 +-
 setuptools/command/setopt.py    | 1 +
 setuptools/tests/test_setopt.py | 8 ++++++++
 5 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index c95f09e..4871a5e 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 58.0.3
+current_version = 58.0.4
 commit = True
 tag = True
 
diff --git a/CHANGES.rst b/CHANGES.rst
index a919b31..dab7400 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,12 @@
+v58.0.4
+-------
+
+
+Misc
+^^^^
+* #2773: Retain case in setup.cfg during sdist.
+
+
 v58.0.3
 -------
 
diff --git a/setup.cfg b/setup.cfg
index fbf82af..fb25e6c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = setuptools
-version = 58.0.3
+version = 58.0.4
 author = Python Packaging Authority
 author_email = distutils-sig@python.org
 description = Easily download, build, install, upgrade, and uninstall Python packages
diff --git a/setuptools/command/setopt.py b/setuptools/command/setopt.py
index e18057c..6358c04 100644
--- a/setuptools/command/setopt.py
+++ b/setuptools/command/setopt.py
@@ -39,6 +39,7 @@ def edit_config(filename, settings, dry_run=False):
     """
     log.debug("Reading configuration from %s", filename)
     opts = configparser.RawConfigParser()
+    opts.optionxform = lambda x: x
     opts.read([filename])
     for section, options in settings.items():
         if options is None:
diff --git a/setuptools/tests/test_setopt.py b/setuptools/tests/test_setopt.py
index 0163f9a..61dc68b 100644
--- a/setuptools/tests/test_setopt.py
+++ b/setuptools/tests/test_setopt.py
@@ -28,3 +28,11 @@ class TestEdit:
         parser = self.parse_config(str(config))
         assert parser.get('names', 'jaraco') == 'джарако'
         assert parser.get('names', 'other') == 'yes'
+
+    def test_case_retained(self, tmpdir):
+        """
+        """
+        config = tmpdir.join('setup.cfg')
+        self.write_text(str(config), '[names]\nJARACO=jaraco')
+        setopt.edit_config(str(config), dict())
+        assert 'JARACO' in config.read_text(encoding='ascii')
-- 
2.34.1