fixed imports and added scripts

scripts/switch.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+FLAKE_DIR="/home/john/.config/home-manager/jsl-dendritic"
+
+is_in_array() {
+    local needle="$1"
+    shift
+    local arr=("$@")
+    [[ " ${arr[*]} " == *" ${needle} "* ]] && echo true || echo false
+}
+
+hostname_exists() {
+    NIX_EVAL_CMD="nix eval --json --no-warn-dirty --apply builtins.attrNames"
+    mapfile -t HOME_CONFIGS < <(${NIX_EVAL_CMD} ${FLAKE_DIR}#homeConfigurations | jq -r '.[]')
+    is_in_array "$(hostname)" "${HOME_CONFIGS[@]}"
+}
+
+HOSTNAME=$(hostname)
+if [[ "$(hostname_exists)" == "true" ]]; then
+    home-manager switch --flake "${FLAKE_DIR}#${HOSTNAME}"
+else
+    echo "No homeConfiguration found for hostname '${HOSTNAME}'." >&2
+    exit 1
+fi