roar

client/packages/cli/index.js

@@ -4,6 +4,7 @@ import version from "./src/version.js";
 import { mkdir, writeFile, readFile, stat } from "fs/promises";
 import { join } from "path";
 import { randomUUID } from "crypto";
+import jsonDiff from "json-diff";
 import dotenv from "dotenv";
 import chalk from "chalk";
 import { program, Option } from "commander";
@@ -1064,12 +1065,30 @@ async function pushSchema(appId, opts) {
   return true;
 }
 
+function printPermChanges(prodPerms, candidatePerms) {
+  console.log(jsonDiff.diffString(prodPerms, candidatePerms));
+}
+
 async function pushPerms(appId) {
   const perms = await readLocalPermsFileWithErrorLogging();
   if (!perms) {
     return;
   }
 
+  console.log("Planning...");
+
+  const prodPerms = await fetchJson({
+    path: `/dash/apps/${appId}/perms/pull`,
+    debugName: "Perms pull",
+    errorMessage: "Failed to pull perms.",
+  });
+
+  if (!prodPerms.ok) return;
+
+  console.log("The following changes will be applied to your perms:");
+
+  printPermChanges(prodPerms.data.perms, perms);
+
   const ok = await promptOk(
     "Pushing permissions rules. This will immediately replace your production rules. OK to proceed?",
   );

client/packages/cli/package.json

@@ -16,6 +16,7 @@
     "dotenv": "^16.3.1",
     "env-paths": "^3.0.0",
     "inquirer": "^10.1.6",
+    "json-diff": "^1.0.6",
     "open": "^10.1.0",
     "ora": "^8.1.1",
     "pkg-dir": "^8.0.0",