feat: add option to not override default profile

lib/assume.mjs

@@ -48,15 +48,17 @@ async function getCredentials(accountId, roleName) {
 }
 
 export async function getCredentialsAndWrite(account) {
-  const { session } = await getArgs();
+  const { session, skipDefaultProfile } = await getArgs();
 
   const credentials = await getCredentials(account.accountId, account.role);
   const { vt_default_region, sso_start_url, sso_region } =
     await getCurrentSession();
 
   const name = account.shortId + "-" + account.role;
 
-  await writeCredentials("default", credentials);
+  if (!skipDefaultProfile) {
+    await writeCredentials("default", credentials);
+  }
   await writeCredentials(name, credentials);
 
   await writeProfile(name, {
@@ -68,11 +70,19 @@ export async function getCredentialsAndWrite(account) {
     region: vt_default_region || "eu-central-1",
   });
 
-  console.log(
-    chalk.green(
-      `AWS credentials set for account ${account.name}.\nYou can use credentials with your default profile or --profile ${name}\n`,
-    ),
-  );
+  if (!skipDefaultProfile) {
+    console.log(
+      chalk.green(
+        `AWS credentials set for account ${account.name}.\nYou can use the credentials with your default profile or --profile ${name} in the aws cli.\n`,
+      ),
+    );
+  } else {
+    console.log(
+      chalk.green(
+        `AWS credentials set for account ${account.name}.\nYou can use the credentials with --profile ${name} in the aws cli.\n`,
+      ),
+    );
+  }
 }
 
 function getRandomColor() {

lib/cli.mjs

@@ -24,13 +24,15 @@ export async function getArgs() {
       "-r, --role [value]",
       "The name of a role which can be assumed. For example VT-DevOps. Must be used in combination with -a.",
     )
-
     .option(
       "-a, --account [value]",
       "The account in which the role should be assumed. For example 015572128213.",
-    );
-
-  program.option("-l, --logout", "Logout the defined sso-session.");
+    )
+    .option(
+      "-n, --skip-default-profile",
+      "Do not write credentials to the default profile.",
+    )
+    .option("-l, --logout", "Logout the defined sso-session.");
 
   opts = await program.parse(process.argv).opts();
 

lib/config.mjs

@@ -135,7 +135,7 @@ export async function readCache(sessionName) {
   }
 
   try {
-    JSON.parse(await readFile(cacheFile, "utf8"));
+    return JSON.parse(await readFile(cacheFile, "utf8"));
   } catch (_) {
     return {};
   }