server-configs/deploy.sh

#! /usr/bin/env nix-shell
#! nix-shell -i bash -p jq nixos-anywhere
set -ex

USERNAME="root"
IP="gerd.fricloud.dk"
NIXPKGS=$(nix build --impure --json --expr '(import ./shared/sources).nixpkgs' | jq -r '.[].outputs.out')
NIXPKGS=$(nix eval --impure --json  --expr '(import ./shared/sources/default.nix).nixpkgs.outPath' | jq -r)

export NIX_PATH="nixpkgs=$NIXPKGS"

if [ "$1" == "initial-deploy" ]; then
    echo "Initial deployment..."
    echo "Removed exit below if you really want... "
    exit
    NIX_TOP_LEVEL_PATH=$(nix build --impure -I nixos-config=./machines/gerd.nix --json --expr "(import <nixpkgs/nixos> {}).config.system.build.toplevel" | jq -r '.[].outputs.out')
    NIX_DISKO_SCRIPT=$(nix build --impure -I nixos-config=./machines/gerd.nix --json --expr "(import <nixpkgs/nixos> {}).config.system.build.diskoScript" | jq -r '.[].outputs.out')

    nixos-anywhere --store-paths "$NIX_DISKO_SCRIPT" "$NIX_TOP_LEVEL_PATH" "$USERNAME@$IP"
else
    echo "Deploying..."
    REBUILD_ACTION="switch"
    if [ -n "$1" ]; then
        REBUILD_ACTION="$1"
    fi
    nixos-rebuild \
        -I nixos-config=./machines/gerd.nix \
        "$REBUILD_ACTION" --target-host "$USERNAME@$IP"
fi