nvbn/thefuck

rbenv install

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#888 opened on Feb 27, 2019

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help wanted

Description

The output of thefuck --version:

The Fuck 3.28 using Python 3.7.2 and Fish Shell 3.0.1

Your system (Debian 7, ArchLinux, Windows, etc.):

Arch Linux

How to reproduce the bug:

> rbenv install 2.6.1
ruby-build: definition not found: 2.6.1

See all available versions with `rbenv install --list'.

If the version you need is missing, try upgrading ruby-build:

  cd /home/alex/.rbenv/plugins/ruby-build && git pull && cd -

The output of The Fuck with THEFUCK_DEBUG=true exported (typically execute export THEFUCK_DEBUG=true in your shell before The Fuck):

No fucks given

(I think, debug is not necessary)

Expected fuck:

cd /home/alex/.rbenv/plugins/ruby-build && git pull && cd -

(as suggested in the rbenv output)

Contributor guide

Tech stack
pythonshell
Domain
clideveloper experience
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
90
Research direction
Review existing rules in the `thefuck/rules/` directory to understand the pattern (e.g., `pip unknown command.py`). Create a new rule file for `rbenv install` that suggests the upgrade command from the error message. The rule should match commands starting with `rbenv install` and look for the specific error output. No linked PRs or comments indicate a prior attempt, so this is a clean feature addition.