From d66ca10a0c100db9173c58d4af5f6a3780ec3b8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kha=C3=AFs=20COLIN?= <khais.colin@gmail.com>
Date: Mon, 31 Mar 2025 16:40:01 +0200
Subject: [PATCH] cd: with no arg, go to $HOME

---
 src/executing/simple_cmd/builtin_cd.c | 9 +++++----
 test.sh                               | 9 +++++++++
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/executing/simple_cmd/builtin_cd.c b/src/executing/simple_cmd/builtin_cd.c
index 7bb2c1d..123dfdb 100644
--- a/src/executing/simple_cmd/builtin_cd.c
+++ b/src/executing/simple_cmd/builtin_cd.c
@@ -6,13 +6,13 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/03/31 16:20:17 by khais             #+#    #+#             */
-/*   Updated: 2025/03/31 16:32:52 by khais            ###   ########.fr       */
+/*   Updated: 2025/03/31 16:39:30 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "builtins.h"
 #include <unistd.h>
-#include "libft.h"
+#include "../../env/env_manip.h"
 #include "../../ft_errno.h"
 
 static void	ft_chdir(char *path, t_minishell *app)
@@ -30,12 +30,13 @@ static void	ft_chdir(char *path, t_minishell *app)
 t_builtin_type	builtin_cd(t_simple_cmd *cmd, t_minishell *app)
 {
 	t_worddesc	*arg;
+	char		*home;
 
 	arg = wordlist_get(cmd->words, 1);
 	if (arg == NULL)
 	{
-		app->last_return_value = 1;
-		ft_dprintf(STDERR_FILENO, "TODO: cd to $HOME\n");
+		home = env_get_val(app->env, "HOME");
+		ft_chdir(home, app);
 	}
 	else
 		ft_chdir(arg->word, app);
diff --git a/test.sh b/test.sh
index d9c7cc7..d22903a 100755
--- a/test.sh
+++ b/test.sh
@@ -188,6 +188,15 @@ minishell: cd: Permission denied
 /tmp/dir.minishell
 EOF
 
+HOME=/tmp/dir.minishell/fakehome when_run <<EOF "cd with no arguments goes to \$HOME"
+mkdir fakehome
+cd
+pwd
+EOF
+expecting <<EOF
+/tmp/dir.minishell/fakehome
+EOF
+
 when_run <<EOF "quoted parentheses are not operators"
 echo unclosed '('
 EOF