From f1283cc6a6ba276d7c0a1ccf911c89a90b43c6eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nikola=20Forr=C3=B3?= <nforro@redhat.com>
Date: Thu, 12 Feb 2026 16:14:41 +0100
Subject: [PATCH] Fix whitespace padding of day of month in changelog entries
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Nikola Forró <nforro@redhat.com>
---
 specfile/changelog.py        |  6 +++---
 tests/unit/test_changelog.py | 24 ++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/specfile/changelog.py b/specfile/changelog.py
index 33e39d9..0a984fa 100644
--- a/specfile/changelog.py
+++ b/specfile/changelog.py
@@ -241,10 +241,10 @@ def assemble(
             header = _OPENSUSE_CHANGELOG_SEPARATOR + "\n"
         header += f"{weekday} {month}"
 
-        if day_of_month_padding.endswith("0"):
-            header += f" {day_of_month_padding[:-1]}{timestamp.day:02}"
+        if day_of_month_padding:
+            header += f" {day_of_month_padding[:-1]}{timestamp.day:{day_of_month_padding[-1]}>2}"
         else:
-            header += f" {day_of_month_padding}{timestamp.day}"
+            header += f" {timestamp.day}"
 
         # convert to extended format for openSUSE style changelogs
         if style == ChangelogStyle.openSUSE and not isinstance(
diff --git a/tests/unit/test_changelog.py b/tests/unit/test_changelog.py
index 030060b..825c9a8 100644
--- a/tests/unit/test_changelog.py
+++ b/tests/unit/test_changelog.py
@@ -452,9 +452,33 @@ def test_get_raw_section_data():
                 ],
                 "0.4-1",
             ),
+            ChangelogEntry.assemble(
+                datetime.date(2026, 2, 9),
+                "Nikola Forró <nforro@redhat.com>",
+                [
+                    "* whitespace day of month padding",
+                ],
+                "0.4-2",
+                day_of_month_padding=" ",
+            ),
+            ChangelogEntry.assemble(
+                datetime.date(2026, 2, 19),
+                "Nikola Forró <nforro@redhat.com>",
+                [
+                    "* whitespace day of month padding #2",
+                ],
+                "0.4-3",
+                day_of_month_padding=" ",
+            ),
         ]
     )
     assert changelog.get_raw_section_data() == [
+        "* Thu Feb 19 2026 Nikola Forró <nforro@redhat.com> - 0.4-3",
+        "* whitespace day of month padding #2",
+        "",
+        "* Mon Feb  9 2026 Nikola Forró <nforro@redhat.com> - 0.4-2",
+        "* whitespace day of month padding",
+        "",
         "* Fri Jan 27 2023 Nikola Forró <nforro@redhat.com> - 0.4-1",
         "",
         "* this is also a valid entry",