Notify the user when we modified the package versions

packages/safe-chain/src/main.js

@@ -72,6 +72,19 @@ export async function main(args) {
       );
     }
 
+    if (proxy.hasSuppressedVersions()) {
+      ui.writeInformation(
+        `${chalk.yellow(
+          "ℹ"
+        )} Safe-chain: Some package versions were suppressed due to minimum age requirement.`
+      );
+      ui.writeInformation(
+        `  To disable this check, use: ${chalk.cyan(
+          "--safe-chain-skip-minimum-package-age"
+        )}`
+      );
+    }
+
     // Returning the exit code back to the caller allows the promise
     //  to be awaited in the bin files and return the correct exit code
     return packageManagerResult.status;

packages/safe-chain/src/registryProxy/interceptors/npm/modifyNpmInfo.js

@@ -1,6 +1,8 @@
 import { getMinimumPackageAgeHours } from "../../../config/settings.js";
 import { ui } from "../../../environment/userInteraction.js";
 
+let hasSuppressedVersions = false;
+
 /**
  * @param {NodeJS.Dict<string | string[]>} headers
  */
@@ -100,6 +102,8 @@ export function modifyNpmInfoResponse(body, headers) {
  * @param {string} version
  */
 function deleteVersionFromJson(json, version) {
+  hasSuppressedVersions = true;
+
   ui.writeVerbose(
     `Safe-chain: ${version} is newer than ${getMinimumPackageAgeHours()} hours and was removed (minimumPackageAgeInHours setting).`
   );
@@ -152,3 +156,10 @@ function getMostRecentTag(tagList) {
 
   return current;
 }
+
+/**
+ * @returns {boolean}
+ */
+export function getHasSuppressedVersions() {
+  return hasSuppressedVersions;
+}

packages/safe-chain/src/registryProxy/registryProxy.js

@@ -6,6 +6,7 @@ import { getCaCertPath } from "./certUtils.js";
 import { ui } from "../environment/userInteraction.js";
 import chalk from "chalk";
 import { createInterceptorForUrl } from "./interceptors/createInterceptorForEcoSystem.js";
+import { getHasSuppressedVersions } from "./interceptors/npm/modifyNpmInfo.js";
 
 const SERVER_STOP_TIMEOUT_MS = 1000;
 /**
@@ -23,6 +24,7 @@ export function createSafeChainProxy() {
     startServer: () => startServer(server),
     stopServer: () => stopServer(server),
     verifyNoMaliciousPackages,
+    hasSuppressedVersions: getHasSuppressedVersions,
   };
 }