From d8c5492e6cfe08a246eb2f1396c28866f96b4c42 Mon Sep 17 00:00:00 2001
From: ImagineHaxing <haxor@imaginehaxing.xyz>
Date: Tue, 25 Aug 2026 19:49:03 +0300
Subject: [PATCH] Build bootable image

---
 nob.c        | 29 +++++++++++++++++++++++++++--
 shell.nix    |  1 +
 src/grub.cfg |  3 +++
 3 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 src/grub.cfg

diff --git a/nob.c b/nob.c
index 2201a18..653356c 100644
--- a/nob.c
+++ b/nob.c
@@ -106,8 +106,8 @@ bool clean_dir(const char *dir_path) {
 
         const char *full_path = nob_temp_sprintf("%s/%s", dir_path, name);
         if (!nob_delete_file(full_path)) {
-            nob_log(NOB_ERROR, "could not delete %s", full_path);
-            ok = false;
+            clean_dir(full_path);
+            nob_delete_file(full_path);
         }
     }
 
@@ -115,6 +115,29 @@ bool clean_dir(const char *dir_path) {
     return ok;
 }
 
+bool build_bootable_image(Nob_Cmd *cmd) {
+    if (!nob_mkdir_if_not_exists(BUILD_FOLDER "isodir"))
+        return false;
+    if (!nob_mkdir_if_not_exists(BUILD_FOLDER "isodir/boot"))
+        return false;
+    if (!nob_mkdir_if_not_exists(BUILD_FOLDER "isodir/boot/grub"))
+        return false;
+
+    nob_cmd_append(cmd, "cp", BUILD_FOLDER "kernel", BUILD_FOLDER "isodir/boot/kernel");
+    if (!nob_cmd_run(cmd))
+        return false;
+
+    nob_cmd_append(cmd, "cp", SRC_FOLDER "grub.cfg", BUILD_FOLDER "isodir/boot/grub/grub.cfg");
+    if (!nob_cmd_run(cmd))
+        return false;
+
+    nob_cmd_append(cmd, "grub-mkrescue", "-o", BUILD_FOLDER "kernel.iso", BUILD_FOLDER "isodir");
+    if (!nob_cmd_run(cmd))
+        return false;
+
+    return true;
+}
+
 int main(int argc, char **argv) {
     NOB_GO_REBUILD_URSELF(argc, argv);
 
@@ -144,6 +167,8 @@ int main(int argc, char **argv) {
         return 1;
     if (!check_kernel(&cmd))
         return 1;
+    if (!build_bootable_image(&cmd))
+        return 1;
 
     return 0;
 }
diff --git a/shell.nix b/shell.nix
index fc7ed7c..3215af9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,6 +7,7 @@ pkgs.mkShell {
       pkgsCross.i686-embedded.buildPackages.binutils
       gdb
       grub2
+      xorriso
     ];
 
   shellHook = ''
diff --git a/src/grub.cfg b/src/grub.cfg
new file mode 100644
index 0000000..7b99635
--- /dev/null
+++ b/src/grub.cfg
@@ -0,0 +1,3 @@
+menuentry "kernel" {
+	multiboot /boot/kernel
+}
\ No newline at end of file