Request to merge changes with the main upstream repository

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -52,4 +52,7 @@ Mkfile.old
 dkms.conf
 
 build
-vcpkg_installed
+vcpkg_installed
+
+# nix 
+.direnv

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2026 0xViena
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

flake.nix

@@ -0,0 +1,25 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+    in
+    {
+      devShells.${system}.default = pkgs.mkShell {
+        packages = with pkgs; [
+		  gnumake42  
+		  libgcc
+          clang-tools
+		  readline
+        ];
+      };
+    };
+}
+

include/helpers/prompt.h

@@ -0,0 +1,6 @@
+#ifndef PROMPT_H
+#define PROMPT_H
+
+char *build_prompt(void);
+
+#endif

src/helpers/prompt.c

@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+char *build_prompt(void) {
+  char *cwd = getcwd(NULL, 0);
+  if (!cwd)
+    return NULL;
+
+  size_t len = strlen(cwd) + 4;
+  char *prompt = malloc(len);
+  if (!prompt) {
+    free(cwd);
+    return NULL;
+  }
+
+  snprintf(prompt, len, "%s $ ", cwd);
+  free(cwd);
+  return prompt;
+}

src/main.c

@@ -2,6 +2,7 @@
 #include "../include/builtins/shell_builtin.h"
 #include "../include/helpers/free_pipeline.h"
 #include "../include/helpers/hashmap.h"
+#include "../include/helpers/prompt.h"
 #include "../include/init_auto_completion.h"
 #include "../include/load_history.h"
 #include "../include/parser/parser.h"
@@ -29,7 +30,10 @@ int main() {
 
   while (1) {
 
-    char *line = readline("$ ");
+    char *prompt = build_prompt();
+    char *line = readline(prompt);
+    free(prompt);
+
     if (!line)
       break;
 

src/run/pipeline.c

@@ -10,7 +10,10 @@ int run_pipeline(pipeline_t *pl) {
 
   for (size_t i = 0; i < pl->count; i++) {
     if (i < pl->count - 1)
-      pipe(pfds);
+      if (-1 == pipe(pfds)) {
+        perror("pipe");
+        return -1;
+      }
 
     pc cmd = pl->commands[i];
     pid_t pid = fork();