Current File : //opt/alt/ruby32/share/rubygems/rubygems/commands/open_command.rb
# frozen_string_literal: true
require_relative "../command"
require_relative "../version_option"
class Gem::Commands::OpenCommand < Gem::Command
include Gem::VersionOption
def initialize
super "open", "Open gem sources in editor"
add_option("-e", "--editor COMMAND", String,
"Prepends COMMAND to gem path. Could be used to specify editor.") do |command, options|
options[:editor] = command || get_env_editor
end
add_option("-v", "--version VERSION", String,
"Opens specific gem version") do |version|
options[:version] = version
end
end
def arguments # :nodoc:
"GEMNAME name of gem to open in editor"
end
def defaults_str # :nodoc:
"-e #{get_env_editor}"
end
def description # :nodoc:
<<-EOF
The open command opens gem in editor and changes current path
to gem's source directory.
Editor command can be specified with -e option, otherwise rubygems
will look for editor in $EDITOR, $VISUAL and $GEM_EDITOR variables.
EOF
end
def usage # :nodoc:
"#{program_name} [-e COMMAND] GEMNAME"
end
def get_env_editor
ENV["GEM_EDITOR"] ||
ENV["VISUAL"] ||
ENV["EDITOR"] ||
"vi"
end
def execute
@version = options[:version] || Gem::Requirement.default
@editor = options[:editor] || get_env_editor
found = open_gem(get_one_gem_name)
terminate_interaction 1 unless found
end
def open_gem(name)
spec = spec_for name
return false unless spec
if spec.default_gem?
say "'#{name}' is a default gem and can't be opened."
return false
end
open_editor(spec.full_gem_path)
end
def open_editor(path)
Dir.chdir(path) do
system(*@editor.split(/\s+/) + [path])
end
end
def spec_for(name)
spec = Gem::Specification.find_all_by_name(name, @version).first
return spec if spec
say "Unable to find gem '#{name}'"
end
end
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