Class: RubynCode::CLI::Setup

Inherits:
Object
  • Object
show all
Defined in:
lib/rubyn_code/cli/setup.rb

Overview

Installs a pinned launcher that bypasses rbenv/rvm version switching.

When rubyn-code is installed as a gem, RubyGems generates a wrapper in the Ruby version’s bin dir (e.g. ~/.rbenv/versions/3.4.5/bin/rubyn-code) with a shebang pointing to the correct Ruby. However, rbenv’s shim at ~/.rbenv/shims/rubyn-code intercepts the command and re-resolves Ruby based on .ruby-version in the current directory — which breaks rubyn-code when you cd into a project using a different Ruby.

This setup creates a launcher in ~/.local/bin (which typically appears before ~/.rbenv/shims in PATH) that calls the gem wrapper directly, bypassing the shim entirely.

Constant Summary collapse

INSTALL_DIR = 
File.expand_path('~/.local/bin')
LAUNCHER_NAME = 
'rubyn-code'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.run ⇒ Object 



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# File 'lib/rubyn_code/cli/setup.rb', line 23

def self.run
  new.run
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/rubyn_code/cli/setup.rb', line 27

def run
  gem_wrapper = find_gem_wrapper
  unless gem_wrapper
    warn 'Error: Could not find the rubyn-code gem wrapper.'
    warn 'Make sure rubyn-code is installed: gem install rubyn-code'
    exit 1
  end

  pinned_ruby = extract_ruby_from_wrapper(gem_wrapper)
  unless pinned_ruby
    warn "Error: Could not determine Ruby path from #{gem_wrapper}"
    exit 1
  end

  launcher_path = File.join(INSTALL_DIR, LAUNCHER_NAME)

  FileUtils.mkdir_p(INSTALL_DIR)
  write_launcher(launcher_path, gem_wrapper, pinned_ruby)
  File.chmod(0o755, launcher_path)

  puts "Installed pinned launcher to #{launcher_path}"
  puts "  Ruby:   #{pinned_ruby}"
  puts "  Wrapper: #{gem_wrapper}"
  puts

  verify_path(launcher_path)
end