feature: add verbose flag, improve command output, improve error display

src/git_flow/git.py

@@ -1,6 +1,10 @@
 import subprocess
 from dataclasses import dataclass
 
+from rich.markup import escape
+from rich.panel import Panel
+from rich.text import Text
+
 from git_flow import FLOWCONFIG_FILENAME
 from git_flow.io import *
 
@@ -180,10 +184,13 @@ class Git:
         self._run(**kwargs)
 
     def _get(self, print: str | None = None, check: bool = True):
-        process = subprocess.run(self.command, capture_output=True, text=True)
+        process = subprocess.run(self.command, capture_output=True, text=True, check=False)
 
-        if print is not None:
-            self._print_process(process.stdout, process.stderr, print)
+        # Sin --verbose solo se muestra el paso; si falla, la salida la muestra main()
+        if print is not None and settings.verbose:
+            self._print_process(process, print)
+        elif print is not None:
+            console.print(Text.assemble(("› ", "cyan"), print))
 
         if check:
             process.check_returncode()
@@ -193,7 +200,7 @@ class Git:
     def _run(self, print: str | None = None, check: bool = True):
         return self._get(print, check)
 
-    def _print_process(self, stdout: str, stderr: str, title: str):
+    def _print_process(self, process: subprocess.CompletedProcess, title: str | None):
         command = []
 
         for arg in self.command:
@@ -205,12 +212,25 @@ class Git:
 
             command.append(arg)
 
-        text = f"[green]$ {' '.join(command)}[/green]"
+        ok = process.returncode == 0
+        # git escribe mensajes informativos en stderr, así que solo se resalta si falló
+        stderr_style = "dim" if ok else "red"
+        text = Text.assemble(("$ ", "dim"), (" ".join(command), "bold yellow"))
 
-        for line in stdout.splitlines():
-            text += "\n" + line
+        for line in process.stdout.splitlines():
+            text.append("\n" + line)
 
-        for line in stderr.splitlines():
-            text += "\n[red]" + line + "[/red]"
+        for line in process.stderr.splitlines():
+            text.append("\n" + line, stderr_style)
 
-        panel(title or "Ejecutando", text)
+        console.print(
+            Panel(
+                text,
+                title=f"[bold]{escape(title or 'Ejecutando')}[/bold]",
+                title_align="left",
+                subtitle=None if ok else f"código de salida {process.returncode}",
+                subtitle_align="right",
+                border_style="bright_black" if ok else "red",
+                expand=False,
+            )
+        )