yarnpkg/yarn

Login not supported with —non-interactive

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#3450 opened on May 18, 2017

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Description

Even with the existence of —non-interactive from #2770, it seems that login still requires a TTY.

If you try to programmatically login where a TTY doesn't exist you get:

error An unexpected error occurred: "Can't answer a question unless a user TTY".

yarn - 0.24.4 os - macos, linux

Contributor guide

Tech stack
nodejsjavascript
Domain
cli
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
basic CLI knowledgeunderstanding of yarn's login command
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Investigate how yarn's login command handles the non interactive flag. Check the implementation referenced in PR #2770. The bug likely lies in the login command not checking the flag before prompting for credentials. Look at the source code for the login function and the interaction with the TTY.