Prepend group + page slug to wiki edit messages

Since every commit only affects a single file, this will make it much
easier to see what they're affecting (and stop users from needing to
include it manually).

tildes/tildes/models/group/group_wiki_page.py

@@ -68,7 +68,7 @@ class GroupWikiPage(DatabaseModel):
         # create the directory for the group if it doesn't already exist
         self.file_path.parent.mkdir(mode=0o755, exist_ok=True)
 
-        self.edit(markdown, user, f'~{group.path}: Create page "{page_name}"')
+        self.edit(markdown, user, "Create page")
 
     def __acl__(self) -> Sequence[Tuple[str, Any, str]]:
         """Pyramid security ACL."""
@@ -140,6 +140,10 @@ class GroupWikiPage(DatabaseModel):
         repo.index.add(str(self.file_path.relative_to(self.BASE_PATH)))
         repo.index.write()
 
+        # Prepend the group name and page slug to the edit message - if you change the
+        # format of this, make sure to also change the page-editing template to match
+        edit_message = f"~{self.group.path}/{self.slug}: {edit_message}"
+
         repo.create_commit(
             repo.head.name,
             author,

tildes/tildes/templates/group_wiki_edit_page.jinja2

@@ -30,8 +30,11 @@
 
     <div class="form-group">
       <label class="form-label" for="edit_message">Short edit summary</label>
+      <div class="input-group">
+        <span class="input-group-addon">~{{ page.group.path }}/{{ page.slug }}:</span>
         <input class="form-input" id="edit_message" name="edit_message" type="text" placeholder="Edit summary" maxlength="80" required>
       </div>
+    </div>
 
     <div class="form-buttons">
       <button type="submit" class="btn btn-primary">Save page</button>