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#!/usr/bin/env nix-shell
#!nix-shell --pure -i bash -p bash jq envsubst wget
# shellcheck shell=bash
set -Eeuo pipefail
end="\033[0m"
green() {
green_color="\033[0;32m"
echo -e "${green_color}${1}${end}"
}
yellow() {
yellow_color="\033[0;33m"
echo -e "${yellow_color}${1}${end}"
}
blue() {
blue_color="\033[0;34m"
echo -e "${blue_color}${1}${end}"
}
red() {
red_color="\033[0;31m"
echo -e "${red_color}${1}${end}"
}
usage() {
red "Missing input argument $1.\n"
cat <<EOF
Usage:
install-nixos.sh <HOST_NAME> <DEVICE>
Arguments
HOST_NAME The networking.hostName of the installation. Something like 'velhinho-nixos'.
DEVICE The LUKS device where to install to. Use lsblk or similar tools to get it's name.
Examples:
Download install-nixos.sh and run it with 'velhinho-nixos' as hostName and '/dev/sda3' as LUKS device:
wget -O- https://euandre.org/dotfiles/install-nixos.sh | sh -s velhinho-nixos /dev/sda3
EOF
}
HOST_NAME="${1:-}"
DEVICE="${2:-}"
[[ -z "${HOST_NAME}" ]] && {
usage 'HOST_NAME'
exit 2
}
[[ -z "${DEVICE}" ]] && {
usage 'DEVICE'
exit 2
}
SERVER="https://euandre.org/dotfiles"
yellow "Downloading Nix files..."
TMP_DIR="$(mktemp -d)"
wget -O "${TMP_DIR}/configuration.nix" "${SERVER}/configuration.nix"
wget -O "${TMP_DIR}/hardware-configuration.nix" "${SERVER}/hardware-configuration.nix"
wget -O "${TMP_DIR}/template.nix" "${SERVER}/template.nix"
green "Done."
yellow "Creating content of '/etc/nixos/local-configuration.nix'..."
export HOST_NAME
export DEVICE
envsubst < "${TMP_DIR}/template.nix" > "${TMP_DIR}/local-configuration.nix"
blue "$(cat "${TMP_DIR}/local-configuration.nix")"
read -p "Confirm content of '/etc/nixos/local-configuration.nix'? (y/N) " -n 1 -r
echo # Move to a new line
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
red "Unconfirmed content of '/etc/nixos/local-configuration.nix'."
red "Exitting."
exit 1
fi
green "Done."
yellow "Moving presented content to '/etc/nixos/local-configuration.nix'..."
echo mv "${TMP_DIR}/local-configuration.nix" /etc/nixos/local-configuration.nix
green "Done."
# fdisk
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