lib/warp/dir/command/install.rb
require 'warp/dir'
require 'warp/dir/command'
require 'fileutils'
class Warp::Dir::Command::Install < Warp::Dir::Command
description %q(Installs warp-dir shell wrapper in your ~/.bashrc)
needs_a_point? false
attr_accessor :installed, :existing, :wrapper, :shell_init_files
# SHELL_WRAPPER_FILE
# SHELL_WRAPPER_DEST
# SHELL_WRAPPER_REGX
# SHELL_WRAPPER_SRCE
class << self
def wrapper_installed?
::Warp::Dir::DOTFILES.any?{ |file| already_installed?(file) }
end
def already_installed?(file_path)
path = ::Warp::Dir.absolute(file_path)
if File.exist?(path)
File.open path do |file|
file.find { |line| line =~ ::Warp::Dir::SHELL_WRAPPER_REGX }
end
end
end
end
def initialize(*args)
self.installed = []
self.existing = []
self.wrapper = ::Warp::Dir::SHELL_WRAPPER_SRCE
self.shell_init_files = ::Warp::Dir::DOTFILES
super(*args)
end
def run(*args)
self.shell_init_files = config[:dotfile].split(',') if config[:dotfile]
self.shell_init_files.any? { |dotfile| append_wrapper_to(dotfile) }
# Overwrites if already there
install_bash_wd
local_existing = self.existing
local_installed = self.installed
local_shell_files = self.shell_init_files
if installed.empty?
if existing.empty?
on :error do
if local_shell_files.size > 1 then
message "Shell init files #{local_shell_files.join(', ').yellow.bold} were not found on the filesystem.".red
else
message "Shell init file #{local_shell_files.join(', ').yellow.bold} was not found on the filesystem.".red
end
end
else
on :error do
message 'Looks like you already have shell support installed.'.red
message "#{local_existing.join(', ').yellow.bold} already warp-dir definition. Use --force to override."
end
end
else
on :success do
message 'Shell support is installed in the following files:'.green.bold
message "#{local_installed.join(', ')}".bold.yellow
end
end
end
private
def install_bash_wd
source = File.read(::Warp::Dir::SHELL_WRAPPER_FILE)
source.gsub!(/%WARP-DIR%/, "WarpDir (v#{::Warp::Dir::VERSION})")
File.open(::Warp::Dir::SHELL_WRAPPER_DEST, 'w') do |file|
file.puts source
end
end
def append_wrapper_to(shell_init_file)
file = ::Warp::Dir.absolute(shell_init_file)
pre_installed = self.class.already_installed?(file)
self.existing << file if pre_installed
if File.exist?(file) && (!pre_installed || config[:force])
source = File.read(file)
source.gsub!(/# WarpDir.*BEGIN\n.*\n# WarpDir.*END/, '')
File.open(file, 'w') do |f|
f.write source
f.write wrapper
end
self.installed << shell_init_file
end
end
end