107 lines
2.7 KiB
Bash
Executable file
107 lines
2.7 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
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#! nix-shell -i bash
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#! nix-shell -p nix
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set -euo pipefail
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SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
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# Parse arguments
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function help {
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echo "Usage: $0 [-h|-e] [flake-uri#]name"
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echo "Install a NixOS configuration from another installation on the same machine."
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echo
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echo "Arguments:"
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echo " flake-uri: Path to flake containing the system configuration. Default: the one where the script is located."
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echo " name: Hostname of the configuration to install. The flake must contain an output named 'nixosConfigurations.*name*'"
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echo
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echo "Options:"
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echo " -h: Display this help message."
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echo " -e: Erase the disk. For cases where the partition scheme doesn't match the existing one."
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}
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disko_mode=mount
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while getopts "he" OPTION
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do
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case "$OPTION" in
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h)
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help
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exit 0
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;;
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e)
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disko_mode=disko
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;;
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?)
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help
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exit 2
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;;
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esac
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done
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shift "$((OPTIND -1))"
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if [ "$#" -ne 1 ]
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then
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help
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exit 2
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fi
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if [[ "$1" == *"#"* ]]
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then
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flake_uri="$(echo "$1" | cut -d'#' -f1)"
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flake_uri=$( cd -- "$flake_uri" &> /dev/null && pwd )
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name="$(echo "$1" | cut -d'#' -f2)"
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else
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flake_uri="$SCRIPT_DIR"
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name="$1"
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fi
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if [ ! -f "$flake_uri/flake.nix" ]
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then
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echo "Flake not found."
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fi
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flake="${flake_uri}#${name}"
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mountpoint="/mnt/nixos"
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luks_pass_path="luks/$(basename "${name}")"
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set -x
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sudo mkdir -p "$mountpoint"
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# Load encryption password
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luks_pass_file="/tmp/dotfiles_${name}_password";
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trap 'rm "$luks_pass_file"' ERR
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touch "$luks_pass_file"
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chmod "u=rw" "$luks_pass_file"
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pass "$luks_pass_path" | head -n1 | tr -d '\n' > "$luks_pass_file"
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# Format or mount disk
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sudo nix --extra-experimental-features "nix-command flakes" run "${SCRIPT_DIR}#disko" -- --mode "$disko_mode" --flake "$flake"
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# --root-mountpoint is ignored with flakes, so this is set in os/common.nix
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# Unload encryption password
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trap - ERR
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rm "$luks_pass_file"
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# Save that system configuration uses this repo
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sudo mkdir -p "${mountpoint}/etc"
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sudo ln -sfn "${flake_uri}" "${mountpoint}/nixos"
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# Install NixOS! Or create a new generation.
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sudo nix --extra-experimental-features "nix-command flakes" run "${SCRIPT_DIR}#nixos-install" -- --no-root-password --root "$mountpoint" --flake "$flake"
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set +x
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# Signal the installation is done!
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echo
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echo "Manual post-installation instructions:"
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echo "- Boot into the system"
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echo "- Transfer necessary private keys (or use ssh -A for testing)"
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echo "- Run git-sync"
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echo "- Run install-passwords"
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echo "- Run install-wifi"
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echo "- Run rb"
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echo "- Change root and user password"
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# TODO Use update-local-flakes?
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