feature: show table with staged changes before comit

src/git_flow/command/commit.py

@@ -1,10 +1,12 @@
 from datetime import datetime
 
 import typer
+from rich.table import Table
 
-import git_flow.command.base as base
 from git_flow import TRASH_BRANCH_PREFIX, WIP_BRANCH_PREFIX, GitFlowError
+from git_flow.command import base
 from git_flow.git import Git
+from git_flow.io import console
 
 app = typer.Typer()
 
@@ -31,6 +33,11 @@ def commit():
         else:
             raise GitFlowError("Debe agregar algún cambio al indice para continuar.")
 
+    _show_index()
+
+    if not base.io_confirm("¿Desea commitear estos cambios?"):
+        raise GitFlowError("Ejecución cancelada.")
+
     message = base.get_commit_message()
     commit_type = message[: message.index(":")]
 
@@ -63,10 +70,41 @@ def _has_files_staged():
     if not status:
         raise GitFlowError("No hay cambios para commitear.")
 
-    files_in_index = []
+    return any(_is_staged(s) for s in status)
 
-    for s in status:
-        if s.worktree != "?" and s.worktree != " ":
-            files_in_index.append(s.file)
 
-    return len(files_in_index) > 0
+def _is_staged(s: Git.Status) -> bool:
+    return s.index != "?" and s.index != " "
+
+
+INDEX_STATES = {
+    "M": "modificado",
+    "T": "cambio de tipo",
+    "A": "agregado",
+    "D": "eliminado",
+    "R": "renombrado",
+    "C": "copiado",
+    "U": "en conflicto",
+}
+
+
+def _show_index():
+    """Muestra en una tabla los archivos del indice (los que entran en el commit), e informa
+    cuántos archivos quedan con cambios fuera del indice."""
+    status = Git.status()
+    staged = [s for s in status if _is_staged(s)]
+    not_staged = [s for s in status if s.worktree != " "]
+
+    table = Table(title="Cambios a commitear", title_justify="left", title_style="bold")
+    table.add_column("Estado", style="cyan", no_wrap=True)
+    table.add_column("Archivo")
+
+    for s in staged:
+        table.add_row(INDEX_STATES.get(s.index, s.index), s.file)
+
+    console.print(table)
+
+    if not_staged:
+        base.io_info(
+            f"{len(not_staged)} archivo(s) con cambios fuera del indice no se incluirán en el commit."
+        )

src/git_flow/git.py

@@ -26,8 +26,9 @@ class Git:
         file: str
 
         def __init__(self, line: str) -> None:
-            self.worktree = line[0]
-            self.index = line[1]
+            # Formato porcelain "XY <file>": X es el estado en el indice, Y en el worktree
+            self.index = line[0]
+            self.worktree = line[1]
             self.file = line[3:].strip("\n")
 
     command: list[str]
@@ -170,7 +171,7 @@ class Git:
         process = self._get(**kwargs)
         lines = process.stdout.splitlines()
 
-        return lines if not strip else list(map(lambda l: l.strip(), lines))
+        return lines if not strip else [l.strip() for l in lines]
 
     def firstline(self, **kwargs):
         lines = self.lines(**kwargs)