dotfiles/apps/installer.nix

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{ pkgs, ... }: {
# Inspired by https://github.com/cleverca22/nix-tests/blob/master/kexec/justdoit.nix
# This script will partition and format drives; use at your own risk!
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type = "app";
program = pkgs.writeShellScriptBin "installer" ''
#!${pkgs.stdenv.shell}
set -e
DISK=$1
FLAKE=$2
PARTITION_PREFIX=""
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if [ -z "$DISK" ] || [ -z "$FLAKE" ]; then
echo "Missing required parameter."
echo "Usage: installer -- <disk> <host>"
echo "Example: installer -- nvme0n1 desktop"
echo "Flake example: nix run github:nmasur/dotfiles#installer -- nvme0n1 desktop"
echo "(exiting)"
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exit 1
fi
case "$DISK" in nvme*)
PARTITION_PREFIX="p"
esac
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parted /dev/''${DISK} -- mklabel gpt
parted /dev/''${DISK} -- mkpart primary 512MiB 100%
parted /dev/''${DISK} -- mkpart ESP fat32 1MiB 512MiB
parted /dev/''${DISK} -- set 3 esp on
mkfs.ext4 -L nixos /dev/''${DISK}''${PARTITION_PREFIX}1
mkfs.fat -F 32 -n boot /dev/''${DISK}''${PARTITION_PREFIX}2
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mount /dev/disk/by-label/nixos /mnt
mkdir --parents /mnt/boot
mount /dev/disk/by-label/boot /mnt/boot
nixos-install --flake github:nmasur/dotfiles#''${FLAKE}
'';
}