Class: Migr8::Actions::EditAction

Inherits:
Action
  • Object
show all
Defined in:
lib/migr8.rb

Constant Summary collapse

NAME = 
"edit"
DESC = 
"open migration file by $MIGR8_EDITOR"
OPTS = 
[
  "-r N      : edit N-th file from latest version",
  "-e editor : editr command (such as 'emacsclient', 'open', ...)",
]
ARGS = 
"[version]"

Instance Method Summary collapse

Methods inherited from Action

#cmdopterr, find_by_name, #get_command, inherited, #parse, #parser, #repository, #short_usage, subclasses, #usage

Instance Method Details

#run(options, args) ⇒ Object 



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# File 'lib/migr8.rb', line 1636

def run(options, args)
  editor = options['e'] || ENV['MIGR8_EDITOR']
  if ! editor || editor.empty?
    _recommend_to_set_MIGR8_EDITOR('edit')
    raise cmdopterr("#{NAME}: failed to create migration file.")
  end
  version = num = nil
  if options['r']
    num = options['r'].to_i
  else
    if args.length == 0
      #raise cmdopterr("#{NAME}: '-r N' option or version required.")
      num = 1
    elsif args.length > 1
      raise cmdopterr("#{NAME}: too much arguments.")
    elsif args.length == 1
      version = args.first
    else
      raise "** unreachable"
    end
  end
  #
  repo = repository()
  if num
    migs = repo.migrations_in_history_file()
    mig = migs[-num]  or
      raise cmdopterr("#{NAME} -n #{num}: migration file not found.")
    version = mig.version
  else
    mig = repo.load_migration(version)  or
      raise cmdopterr("#{NAME}: #{version}: version not found.")
  end
  puts "# #{editor} #{repo.migration_filepath(version)}"
  system("#{editor} #{repo.migration_filepath(version)}")
end