feat(action): install sqlite3 on macOS if missing

src/restoreImpl.ts

@@ -9,6 +9,7 @@ import {
 } from "./stateProvider";
 import * as utils from "./utils/action";
 import * as restore from "./utils/restore";
+import * as install from "./utils/install";
 
 export async function restoreImpl(
     stateProvider: IStateProvider
@@ -33,6 +34,8 @@ export async function restoreImpl(
             );
         }
 
+        await install.installSQLite3();
+
         let restoredKey: string | undefined;
         let lookedUpKey: string | undefined;
         const restoredKeys: string[] = [];

src/utils/install.ts

@@ -0,0 +1,14 @@
+import { which } from "which";
+import * as inputs from "../inputs";
+import { exec } from "@actions/exec";
+import * as utils from "./action";
+
+export async function installSQLite3() {
+    if (inputs.nix) {
+        const existsSqlite3 = await which("sqlite3");
+        if (!existsSqlite3) {
+            utils.info("No SQLite 3 found. Installing it.");
+            exec(`brew install sqlite3`);
+        }
+    }
+}