feature: usar commit message cuando el pr solo tiene un commit

src/git_flow/command/merge.py

@@ -80,12 +80,23 @@ class MergeCommand(Command):
 
     def create_pull_request(self, token: str, branch: str, target: str):
         changelog = Changelog()
-        title = self.prompt("[Opcional] Ingrese un titulo para el PR")
-        title = title or branch.replace("/", ": ").replace("-", " ")
+        commits = Git("log", target + "..", format="%s").lines()
+
+        if len(commits) == 1:
+            title = commits[0]
+        else:
+            title = branch.replace("/", ": ").replace("-", " ")
 
             if title.startswith("release: "):
                 title = title[title.index(' ', title.index(' ') + 1) + 1:]
 
+        self.info("Título del PR por defecto: " + title)
+
+        opt_title = self.prompt("[Opcional] Ingrese otro titulo para el PR")
+
+        if opt_title:
+            title = opt_title
+
         message = self.get_remote_api(token).create_pull_request(
             branch,
             target,