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Capistrano::Deploy::Strategy::Remote

An abstract superclass, which forms the base for all deployment strategies which work by grabbing the code from the repository directly from remote host. This includes deploying by checkout (the default), and deploying by export.

Public Instance Methods

check!() click to toggle source
# File lib/capistrano/recipes/deploy/strategy/remote.rb, line 18
def check!
  super.check do |d|
    d.remote.command(source.command)
  end
end
deploy!() click to toggle source

Executes the SCM command for this strategy and writes the REVISION mark file to each host.

# File lib/capistrano/recipes/deploy/strategy/remote.rb, line 14
def deploy!
  scm_run "#{command} && #{mark}"
end

Protected Instance Methods

command() click to toggle source

An abstract method which must be overridden in subclasses, to return the actual SCM command(s) which must be executed on each target host in order to perform the deployment.

# File lib/capistrano/recipes/deploy/strategy/remote.rb, line 39
def command
  raise NotImplementedError, "`command' is not implemented by #{self.class.name}"
end
mark() click to toggle source

Returns the command which will write the identifier of the revision being deployed to the REVISION file on each host.

# File lib/capistrano/recipes/deploy/strategy/remote.rb, line 45
def mark
  "(echo #{revision} > #{configuration[:release_path]}/REVISION)"
end
scm_run(command) click to toggle source

Runs the given command, filtering output back through the handle_data filter of the SCM implementation.

# File lib/capistrano/recipes/deploy/strategy/remote.rb, line 28
def scm_run(command)
  run(command) do |ch,stream,text|
    ch[:state] ||= { :channel => ch }
    output = source.handle_data(ch[:state], stream, text)
    ch.send_data(output) if output
  end
end

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