```ruby
require 'yaml'
require_relative './linker'
require_relative './homebrew'
require_relative './devenv'

CFG_PATH = File.realpath(File.join(File.dirname(__FILE__), '../config/'))
YAML_CFG_PATH = File.join(CFG_PATH, 'dot.yaml')

def dot(options)
  config = YAML.load_file YAML_CFG_PATH
  devtools_config = config['devtools_config']
  v = options[:verbose]
  Homebrew.ensure_installed v
  Homebrew.bundle CFG_PATH, v
  DevEnv.nvm_default devtools_config['default_node'], v
  DevEnv.yarn_install CFG_PATH, v
  Linker.link_all config['links'], CFG_PATH, v
  unless options[:commit_message].nil?
    system 'git', 'commit', '-a', '-m', options[:commit_message]
    puts "[DONE] Commited changes with message: #{options[:commit_message]}" if v
    system 'git', 'push', options[:upstream]
    puts "[DONE] Pushed to upstream: #{options[:upstream]}" if v
  end
end
```

Add intro message bbefore sending to git
user
```ruby
require 'yaml'
require_relative './linker'
require_relative './homebrew'
require_relative './devenv'

CFG_PATH = File.realpath(File.join(File.dirname(__FILE__), '../config/'))
YAML_CFG_PATH = File.join(CFG_PATH, 'dot.yaml')

def dot(options)
  config = YAML.load_file YAML_CFG_PATH
  devtools_config = config['devtools_config']
  v = options[:verbose]
  Homebrew.ensure_installed v
  Homebrew.bundle CFG_PATH, v
  DevEnv.nvm_default devtools_config['default_node'], v
  DevEnv.yarn_install CFG_PATH, v
  Linker.link_all config['links'], CFG_PATH, v
  unless options[:commit_message].nil?
    puts "[INFO] Saving the new changes to the repository" if v
    system 'git', 'commit', '-a', '-m', options[:commit_message]
    puts "[DONE] Commited changes with message: #{options[:commit_message]}" if v
    system 'git', 'push', options[:upstream]
    puts "[DONE] Pushed to upstream: #{options[:upstream]}" if v
  end
end
```
assistant