Address #491

add_changelog_entry(): Incorrect evr expansion
Use the tags() context manager directly for better performance

Co-authored-by: Nikola Forró <[email protected]>

Author: jessp01

specfile/specfile.py

@@ -611,11 +611,16 @@ def add_changelog_entry(
                 if self.contains_autochangelog(section):
                     continue
                 if evr is None:
-                    epoch_prefix = f"{self.expanded_epoch}:" if self.expanded_epoch else ""
-                    evr = f"{epoch_prefix}{self.expanded_version}-{self.expanded_release}"
+                    with self.tags() as tags:
+                        try:
+                            evr = f"{tags.epoch.expanded_value}:"
+                        except AttributeError:
+                            evr = ""
+                        evr += f"{tags.version.expanded_value}-{tags.release.expanded_value}"
                 with self.changelog(section) as changelog:
                     if changelog is None:
                         return
+                    evr = self.expand(evr, extra_macros=[("dist", "")])
                     if isinstance(entry, str):
                         entry = [entry]
                     if timestamp is None: