Fix --oauth not recognized on non-login commands and stale env read after interactive login

Author: nicped

bin/commands/login.js

@@ -73,17 +73,18 @@ export async function setupUser(argv, env) {
                 default: getConfig()?.current?.env,
                 prompt: 'never'
               },
-              username: { 
+              username: {
                 type: 'input'
               },
-              password: { 
+              password: {
                 type: 'password'
               },
               interactive: {
                   default: true
               }
         })
-        user = env.users[env.current.user];
+        const currentEnv = getConfig()?.current?.env;
+        user = getConfig()?.env?.[currentEnv]?.users?.[getConfig()?.env?.[currentEnv]?.current?.user];
     }
 
     return user;

bin/index.js

@@ -43,6 +43,10 @@ yargs(hideBin(process.argv))
     .option('apiKey', {
         description: 'Allows setting the apiKey for an environmentless execution of the CLI command'
     })
+    .option('oauth', {
+        type: 'boolean',
+        description: 'Use OAuth client credentials authentication (shorthand for --auth oauth)'
+    })
     .option('auth', {
         choices: ['user', 'oauth'],
         description: 'Overrides the authentication mode for the command'