From 214e7342ae4e88fbc32b81e089ad5571e307ec1f Mon Sep 17 00:00:00 2001
From: Nulo <git@nulo.in>
Date: Mon, 23 Jan 2023 12:30:21 -0300
Subject: [PATCH] kernel

---
 index.ts  | 17 ++++++++++++++---
 kernel.ts | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 3 deletions(-)
 create mode 100644 kernel.ts

diff --git a/index.ts b/index.ts
index 09d61a6..f7b402a 100644
--- a/index.ts
+++ b/index.ts
@@ -1,15 +1,26 @@
 import { mkdir, mkdtemp } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import path from "node:path";
+import { cwd } from "node:process";
 import { Alpine } from "./alpine.js";
 import { spawn } from "./helpers.js";
+import { setupKernel } from "./kernel.js";
 import { Runit } from "./runit/index.js";
 
 {
+  console.time("Building");
+
   const rootfsDir = await mkdtemp(path.join(tmpdir(), "define-alpine-"));
   console.debug(rootfsDir);
   const alpine = await Alpine.makeWorld({ dir: rootfsDir });
   const runit = await Runit.setup(alpine);
+  await setupKernel(alpine);
+
+  console.timeEnd("Building");
+
+  const artifactsDir = path.join(cwd(), "artifacts/");
+  await mkdir(artifactsDir);
+
   // await makeService({
   //   parentDir: rootfsDir,
   //   name: "grafana",
@@ -17,9 +28,9 @@ import { Runit } from "./runit/index.js";
   //   setup: async (dir) => {},
   //   initScript: async (dir) => {},
   // });
-  try {
-    await spawn("sudo", ["chroot", rootfsDir], { stdio: "inherit" });
-  } catch {}
+  // try {
+  //   await spawn("sudo", ["chroot", rootfsDir], { stdio: "inherit" });
+  // } catch {}
 }
 
 // interface Service {}
diff --git a/kernel.ts b/kernel.ts
new file mode 100644
index 0000000..570524b
--- /dev/null
+++ b/kernel.ts
@@ -0,0 +1,38 @@
+import { Alpine } from "./alpine";
+
+export async function setupKernel(alpine: Alpine): Promise<void> {
+  await alpine.writeFile(
+    "/etc/update-extlinux.conf",
+    `# configuration for extlinux config builder
+
+# Overwrite current /boot/extlinux.conf.
+overwrite=1
+
+# vesa_menu
+# use fancy vesa menu (vesamenu.c32) menus, won't work with serial
+vesa_menu=1
+
+#default_kernel_opts=quiet
+default_kernel_opts=
+modules=loop,squashfs,sd-mod,usb-storage,ext4,vfat
+
+# root device - if not specified, will be guessed using
+# blkid -o export /dev/root
+root=/dev/sda
+
+# if set to non-zero, update-extlinux will be a lot more verbose.
+verbose=0
+
+hidden=0
+timeout=3
+default=lts
+`
+  );
+
+  await alpine.writeFile(
+    "/etc/mkinitfs/mkinitfs.conf",
+    'features="squashfs ata base cdrom ext4 keymap kms mmc nvme scsi usb virtio"'
+  );
+
+  await alpine.addPackages(["linux-virt"]);
+}