custom nixos iso build confs

.gitignore

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+*.iso
+result

common.nix

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+{ config, pkgs, ... }:
+{
+  boot.supportedFilesystems = [ "ntfs" ];
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  isoImage.squashfsCompression = "gzip -Xcompression-level 1";
+  environment.systemPackages = with pkgs; [ git htop btop usbutils pciutils file iotop iftop tmux micro (pass.withExtensions (ext: [ext.pass-otp])) ];
+}

graphical-iso.nix

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+{ config, pkgs, ... }:
+{
+  imports = [
+    <nixpkgs/nixos/modules/installer/cd-dvd/installation-cd-graphical-calamares-gnome.nix>
+
+    # Provide an initial copy of the NixOS channel so that the user
+    # doesn't need to run "nix-channel --update" first.
+    <nixpkgs/nixos/modules/installer/cd-dvd/channel.nix>
+    ./common.nix
+  ];
+
+}

minimal-iso.nix

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+{ config, pkgs, ... }:
+{
+  imports = [
+    <nixpkgs/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix>
+
+    # Provide an initial copy of the NixOS channel so that the user
+    # doesn't need to run "nix-channel --update" first.
+    <nixpkgs/nixos/modules/installer/cd-dvd/channel.nix>
+    ./common.nix
+  ];
+
+}

scripts/build-graphical.sh

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+nix-build '<nixpkgs/nixos>' -A config.system.build.isoImage -I nixos-config=graphical-iso.nix

scripts/build-minimal.sh

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+nix-build '<nixpkgs/nixos>' -A config.system.build.isoImage -I nixos-config=minimal-iso.nix