54 lines
1.6 KiB
Ruby
54 lines
1.6 KiB
Ruby
class Pry
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class Command::InstallCommand < Pry::ClassCommand
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match 'install-command'
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group 'Commands'
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description 'Install a disabled command.'
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banner <<-'BANNER'
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Usage: install-command COMMAND
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Installs the gems necessary to run the given COMMAND. You will generally not
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need to run this unless told to by an error message.
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BANNER
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def process(name)
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require 'rubygems/dependency_installer' unless defined? Gem::DependencyInstaller
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command = find_command(name)
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unless command
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output.puts "Command #{ text.green(name) } is not found"
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return
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end
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if command_dependencies_met?(command.options)
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output.puts "Dependencies for #{ text.green(name) } are met. Nothing to do"
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return
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end
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output.puts "Attempting to install #{ text.green(name) } command..."
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gems_to_install = Array(command.options[:requires_gem])
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gems_to_install.each do |g|
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next if Rubygem.installed?(g)
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output.puts "Installing #{ text.green(g) } gem..."
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Rubygem.install(g)
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end
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gems_to_install.each do |g|
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begin
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require g
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rescue LoadError
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fail_msg = "Required gem #{ text.green(g) } installed but not found."
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fail_msg += " Aborting command installation\n"
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fail_msg += 'Tips: 1. Check your PATH; 2. Run `bundle update`'
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raise CommandError, fail_msg
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end
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end
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output.puts "Installation of #{ text.green(name) } successful! Type `help #{name}` for information"
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end
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end
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Pry::Commands.add_command(Pry::Command::InstallCommand)
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end
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