From de167c3c67f7f65292e1f98cc66ed9a91051cf3c Mon Sep 17 00:00:00 2001
From: apio <blobs.trading@gmail.com>
Date: Thu, 20 Oct 2022 08:21:18 +0200
Subject: [PATCH] sh: Show last command' exit status in prompt if non-zero

---
 apps/src/sh.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/apps/src/sh.c b/apps/src/sh.c
index 89eb3d9f..a9fdc90c 100644
--- a/apps/src/sh.c
+++ b/apps/src/sh.c
@@ -5,7 +5,7 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-static int status;
+static int status = 0;
 
 typedef struct
 {
@@ -16,7 +16,9 @@ typedef struct
 
 void show_prompt()
 {
-    printf("[%ld]> ", getpid());
+    if (status) { printf("%d [%ld]> ", WEXITSTATUS(status), getpid()); }
+    else
+        printf("[%ld]> ", getpid());
 }
 
 int command_matches(command* cmd, const char* string)
@@ -117,8 +119,6 @@ void command_execute(command* cmd)
     }
     int exit_status = WEXITSTATUS(status);
     if (exit_status == -2 || exit_status == -3) printf("(PID %ld) Segmentation fault\n", result);
-    else if (exit_status)
-        printf("Exited with code %d\n", WEXITSTATUS(status));
     command_clear(cmd);
     show_prompt();
 }