feat(sys/boot): Provide the latest arch-iso as boot target

1 files changed, 77 insertions, 0 deletions

diff --git a/sys/boot/archlive_iso.nix b/sys/boot/archlive_iso.nix
new file mode 100644
index 00000000..d19a4a87
--- /dev/null
+++ b/sys/boot/archlive_iso.nix
@@ -0,0 +1,77 @@
+{pkgs ? (builtins.getFlake "nixpkgs").legacyPackages."x86_64-linux"}: let
+  signing_key = import ./signing_key.nix {inherit pkgs;};
+
+  checked_iso = pkgs.stdenv.mkDerivation {
+    pname = "archlinux-iso";
+    version = "2024.05.01";
+
+    srcs = [
+      (pkgs.fetchurl {
+        url = "https://archlinux.org/iso/2024.05.01/archlinux-2024.05.01-x86_64.iso.sig";
+        hash = "sha256-QOGYng6a7zA5EJKGotDccJ7fD2MmPPXQEdVr1kjJvi4=";
+      })
+      (pkgs.fetchurl {
+        url = "https://mirror.informatik.tu-freiberg.de/arch/iso/latest/archlinux-2024.05.01-x86_64.iso";
+        hash = "sha256-G0oE74pzUIUqEwcO5JhEKwh6YHoYhAtN19mYZ+tfakw=";
+      })
+      (pkgs.fetchurl {
+        url = "https://archlinux.org/iso/2024.05.01/b2sums.txt";
+        hash = "sha256-HSMS13hHXFKKQsCA8spa7XtirHCBTmePwhOsStVPbHw=";
+      })
+    ];
+
+    dontUnpack = true;
+
+    nativeBuildInputs = with pkgs; [
+      sequoia-sq
+    ];
+
+    buildPhase =
+      /*
+      bash
+      */
+      ''
+        cp -r "${signing_key}" ./release-key.pgp
+        for src in $srcs; do
+          cp -r  "$src" "$(stripHash "$src")"
+        done
+
+        sed '2d;3d;4d' b2sums.txt > b2sums_clean.txt
+
+        # As per the directions from: https://archlinux.org/download/
+
+        # blake hash check
+        b2sum -c ./b2sums_clean.txt
+
+        # pgp signature check
+        sq verify --signer-file release-key.pgp --detached archlinux-2024.05.01-x86_64.iso.sig archlinux-2024.05.01-x86_64.iso
+      '';
+
+    installPhase = ''
+      cp archlinux-2024.05.01-x86_64.iso "$out";
+    '';
+  };
+in
+  pkgs.stdenv.mkDerivation {
+    name = "live_iso_boot_entry";
+
+    src = checked_iso;
+
+    dontUnpack = true;
+
+    nativeBuildInputs = with pkgs; [
+      libarchive # for bsdtar
+    ];
+
+    buildPhase = ''
+      mkdir iso
+      bsdtar -xf "$src" -C iso
+    '';
+
+    installPhase = ''
+      install -D ./iso/arch/boot/x86_64/initramfs-linux.img "$out/live/initramfs-linux.img"
+      install -D ./iso/arch/boot/x86_64/vmlinuz-linux "$out/live/vmlinuz-linux"
+
+      install -D "$src" "$out/archlinux.iso"
+    '';
+  }