feat(commands/commit): add force-edit functionality after answering questions

Author: josix

commitizen/cli.py

@@ -162,6 +162,12 @@ def __call__(
                         "default": 0,
                         "help": "length limit of the commit message; 0 for no limit",
                     },
+                    {
+                        "name": ["-e", "--edit"],
+                        "action": "store_true",
+                        "default": False,
+                        "help": "force edit the commit message in the editor",
+                    },
                 ],
             },
             {

commitizen/commands/commit.py

@@ -2,6 +2,9 @@
 
 import contextlib
 import os
+import shutil
+import subprocess
+import tempfile
 
 import questionary
 
@@ -72,9 +75,27 @@ def prompt_commit_questions(self) -> str:
 
         return message
 
+    def force_edit(self, message: str) -> str:
+        editor = git.get_core_editor()
+        if editor is None:
+            raise RuntimeError("No 'editor' value given and no default available.")
+        exec_path = shutil.which(editor)
+        if exec_path is None:
+            raise RuntimeError(f"Editor '{editor}' not found.")
+        with tempfile.NamedTemporaryFile(mode="w", delete=False) as file:
+            file.write(message)
+        file_path = file.name
+        argv = [exec_path, file_path]
+        subprocess.call(argv)
+        with open(file_path) as temp_file:
+            message = temp_file.read().strip()
+        os.remove(file_path)
+        return message
+
     def __call__(self):
         dry_run: bool = self.arguments.get("dry_run")
         write_message_to_file: bool = self.arguments.get("write_message_to_file")
+        force_edit: bool = self.arguments.get("edit")
 
         is_all: bool = self.arguments.get("all")
         if is_all:
@@ -101,6 +122,9 @@ def __call__(self):
         else:
             m = self.prompt_commit_questions()
 
+        if force_edit:
+            m = self.force_edit(m)
+
         out.info(f"\n{m}\n")
 
         if write_message_to_file:

commitizen/git.py

@@ -271,6 +271,13 @@ def get_eol_style() -> EOLTypes:
         return map["native"]
 
 
+def get_core_editor() -> str | None:
+    c = cmd.run("git var GIT_EDITOR")
+    if c.out:
+        return c.out.strip()
+    return None
+
+
 def smart_open(*args, **kargs):
     """Open a file with the EOL style determined from Git."""
     return open(*args, newline=get_eol_style().get_eol_for_open(), **kargs)