"shore bump" now releases the staged changelog

src/shore/__main__.py

@@ -427,6 +427,7 @@ def bump(**args):
   """
 
   subject = _load_subject()
+  changelog_manager = ChangelogManager(subject.changelog_directory, mapper)
 
   bump_flags = ('major', 'minor', 'patch', 'post', 'snapshot')
   bump_args = ['--' + k for k in bump_flags if args[k]]
@@ -534,7 +535,7 @@ def bump(**args):
         content = fp.read()
       offset = 0
       for ref in refs:
-        logger.info('    %s %s -> %s', ref.package, ref.sel, ref.new_sel)
+        logger.info('    %s %s → %s', ref.package, ref.sel, ref.new_sel)
         content = content[:ref.start - offset] + ref.new_sel + content[ref.end - offset:]
         offset += len(ref.sel) - len(ref.new_sel)
       if not args['dry']:
@@ -545,6 +546,15 @@ def bump(**args):
       logger.warning('bump requires an update in order to automatically tag')
       args['update'] = True
 
+  # Rename the unreleased changelog if it exists.
+  if changelog_manager.unreleased.exists():
+    if args['dry']:
+      changelog = changelog_manager.version(new_version)
+    else:
+      changelog = changelog_manager.release(new_version)
+    logger.info('release staged changelog (%s → %s)', changelog_manager.unreleased.filename,
+      changelog.filename)
+
   if args['update']:
     _cache.clear()
     try:
@@ -793,7 +803,7 @@ def changelog(**args):
         sys.exit(1)
     if not entry.component:
       logger.error('no component provided.')
-    created = not os.path.isfile(manager.unreleased.filename)
+    created = not manager.unreleased.exists()
     manager.unreleased.add_entry(entry)
     manager.unreleased.save(create_directory=True)
     message = ('Created' if created else 'Updated') + ' "{}"'.format(manager.unreleased.filename)

src/shore/util/changelog.py

@@ -41,6 +41,9 @@ class Changelog:
     self.mapper = mapper
     self.entries = []
 
+  def exists(self) -> bool:
+    return os.path.isfile(self.filename)
+
   def load(self) -> None:
     with open(self.filename) as fp:
       data = yaml.safe_load(fp)
@@ -67,7 +70,7 @@ class ChangelogManager:
     self._cache = {}
 
   def _get(self, name: str, version: Optional[str]) -> Changelog:
-    key = (name, version)
+    key = (name, str(version))
     if key in self._cache:
       return self._cache[key]
     changelog = Changelog(os.path.join(self.directory, name), version, self.mapper)
@@ -82,3 +85,13 @@ class ChangelogManager:
 
   def version(self, version: Version) -> Changelog:
     return self._get(str(version) + '.yml', version)
+
+  def release(self, version: Version) -> Changelog:
+    """
+    Renames the unreleased changelog to the file name for the specified *version*.
+    """
+
+    unreleased = self.unreleased
+    os.rename(unreleased.filename, self.version(version).filename)
+    self._cache.clear()
+    return self.version(version)