运行任务时出现错误Cap deploy：setup在使用Capistrano和Unicorn进行部署期间

Question

这是运行任务Cap部署后出现的错误：设置使用Capistrano和Unicorn部署ubuntu服务器。如果你知道答案，请帮帮我吗？ 这是在终端上反映的错误 -

[100.116.4.74] sh -c'cp -RPp / home / deployer / apps / mcash / shared / cached-copy / home / deployer / apps / mcash / releases / 20120417074244＆amp;＆amp; （echo 8f69f0a524dcecef478bad74df4a983d3cdad480＆gt; / home / deployer / apps / mcash / releases / 20120417074244 / REVISION）'  ** [out :: 100.116.4.75] cp：无法创建目录`/ home / deployer / apps / mcash / releases / 20120417074244'  ** [out :: 100.116.4.75]：没有这样的文件或目录

失败：“sh -c'cp -RPp / home / deployer / apps / mcash / shared / cached-copy / home / deployer / apps / mcash / releases / 20120417074244＆amp;＆amp;（echo 8f69f0a524dcecef478bad74df4a983d3cdad480＆gt; / home / deployer / apps / mcash / releases / 20120417074244 / REVISION）'“on 100.116.4.74

这是整个deploy.rb文件 -

要求“bundler / capistrano”

role :web,    "200.116.4.75"
role :app,    "200.116.4.75"
role :db,     "200.116.4.75", :primary => true

set :application,     "mcasher"
set :user,            "deployer"
set :deploy_to,       "/home/#{user}/apps/#{application}"
set :deploy_via,      :remote_cache
set :use_sudo,        false

set :scm,             :git
set :repository,      "git-server:mcasher.git"
set :branch,          "master"

default_run_options[:pty] = true
ssh_options[:forward_agent] = true

after "deploy", "deploy:cleanup" # keep only the last 5 releases

namespace :deploy do
  %w[start stop restart].each do |command|
    desc "#{command} unicorn server"
    task command, roles: :app, except: {no_release: true} do
      run "/etc/init.d/unicorn_#{application} #{command}"
    end
  end

  task :setup_config, roles: :app do
    sudo "ln -nfs #{current_path}/config/nginx.conf /etc/nginx/sites-enabled/#{application}"
    sudo "ln -nfs #{current_path}/config/unicorn_init.sh /etc/init.d/unicorn_#{application}"
    run "mkdir -p #{shared_path}/config"
    put File.read("config/database.example.yml"), "#{shared_path}/config/database.yml"
    puts "Now edit the config files in #{shared_path}."
  end
  after "deploy:setup", "deploy:setup_config"

  task :symlink_config, roles: :app do
    run "ln -nfs #{shared_path}/config/database.yml #{release_path}/config/database.yml"
  end
  after "deploy:finalize_update", "deploy:symlink_config"

  desc "Make sure local git is in sync with remote."
  task :check_revision, roles: :web do
    unless `git rev-parse HEAD` == `git rev-parse origin/master`
      puts "WARNING: HEAD is not the same as origin/master"
      puts "Run `git push` to sync changes."
      exit
    end
  end
  before "deploy", "deploy:check_revision"
end