Class: SchemaDev::Gem

Inherits:
Object
  • Object
show all
Defined in:
lib/schema_dev/gem.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Gem

Returns a new instance of Gem.



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# File 'lib/schema_dev/gem.rb', line 16

def initialize(name)
  self.gem_name = name.underscore
  self.gem_module = gem_name.camelize
  self.gem_root = Pathname.new(gem_name)
end

Instance Attribute Details

#email ⇒ Object

Returns the value of attribute email.



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# File 'lib/schema_dev/gem.rb', line 14

def email
  @email
end

#fullname ⇒ Object

Returns the value of attribute fullname.



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# File 'lib/schema_dev/gem.rb', line 14

def fullname
  @fullname
end

#gem_module ⇒ Object

Returns the value of attribute gem_module.



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# File 'lib/schema_dev/gem.rb', line 14

def gem_module
  @gem_module
end

#gem_name ⇒ Object

Returns the value of attribute gem_name.



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# File 'lib/schema_dev/gem.rb', line 14

def gem_name
  @gem_name
end

#gem_root ⇒ Object

Returns the value of attribute gem_root.



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# File 'lib/schema_dev/gem.rb', line 14

def gem_root
  @gem_root
end

Class Method Details

.build(name) ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 10

def self.build(name)
  new(name).build
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 22

def build
  ensure_not_in_git
  ensure_doesnt_exist
  get_fullname_and_email
  copy_template
  self.gem_root = self.gem_root.realpath
  rename_files
  substitute_keys
  freshen
  git_init
  puts <<-END.strip_heredoc

     Created #{gem_name}.  Your recommended next steps are:

            $ cd #{gem_name}
            $ bundle install
            $ schema_dev bundle install
            $ schema_dev rspec
  END
end

#copy_template ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 67

def copy_template
  FileUtils.cp_r Templates.root + "gem", gem_root
end

#dependency(v) ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 94

def dependency(v)
  major, minor, patch = v.split('.')
  dep = %Q{"~> #{major}.#{minor}"}
  dep += %Q{, ">= #{v}"} if patch != "0"
  dep
end

#die(msg) ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 43

def die(msg)
  abort "schema_dev: #{msg}"
end

#ensure_doesnt_exist ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 53

def ensure_doesnt_exist
  if gem_root.exist?
    die "Cannot create new gem: '#{gem_root}' already exists"
  end
end

#ensure_not_in_git ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 47

def ensure_not_in_git
  if system("git rev-parse >& /dev/null")
    die "Cannot create new gem inside existing git worktree; please cd elsewhere"
  end
end

#freshen ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 108

def freshen
  Dir.chdir gem_root do 
    Runner.new(Config.read).freshen(quiet:true)
  end
end

#get_fullname_and_email ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 59

def get_fullname_and_email
  {'fullname' => 'name', 'email' => 'email' }.each do |myattr, gitattr|
    if (self.send myattr+"=", `git config user.#{gitattr}`.strip).blank?
      die "Who are you?  Please run 'git config --global user.#{gitattr} <your-#{gitattr}>'"
    end
  end
end

#git_init ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 114

def git_init
  Dir.chdir gem_name do 
    system "git init"
    system "git add #{gem_root.find.select(&:exist?).join(' ')}"
    system "git commit -m 'Initial skeleton generated by `schema_dev gem #{gem_name}`'"
  end
end

#rename_files ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 71

def rename_files
  Dir.glob(gem_root + "**/*GEM_NAME*").each do |path|
    FileUtils.mv path, path.gsub(/GEM_NAME/, gem_name)
  end
end

#schema_monkey_version ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 101

def schema_monkey_version
  @monkey_version ||= begin
                        gems = JSON.parse Faraday.get('https://rubygems.org/api/v1/versions/schema_monkey.json').body
                        gems.reject(&it["prerelease"]).sort_by{|g| Time.new(g["built_at"])}.last["number"]
                      end
end

#subs(s) ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 84

def subs(s)
  s = s.gsub('%GEM_NAME%', gem_name)
  s = s.gsub('%GEM_MODULE%', gem_module)
  s = s.gsub('%FULLNAME%', fullname)
  s = s.gsub('%EMAIL%', email)
  s = s.gsub('%SCHEMA_MONKEY_DEPENDENCY%', dependency(schema_monkey_version))
  s = s.gsub('%SCHEMA_DEV_DEPENDENCY%', dependency(SchemaDev::VERSION))
  s = s.gsub('%YEAR%', Time.now.strftime("%Y"))
end

#substitute_keys ⇒ Object 



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# File 'lib/schema_dev/gem.rb', line 77

def substitute_keys
  gem_root.find.each do |path|
    next unless path.file?
    path.write subs(path.read)
  end
end