Class: Lemans::Trial::Patch

Inherits:
Object
  • Object
show all
Defined in:
lib/lemans/trial/patch.rb

Overview

The agent's work as one git patch, diffed against a baseline sealed before its first turn

Constant Summary collapse

REMOTE_PATCH = 
"/tmp/lemans-agent.patch"
REMOTE_INDEX = 
"/tmp/lemans-patch.idx"

Instance Method Summary collapse

Constructor Details

#initialize(task, environment, timeout: 300, path: "agent.patch") ⇒ Patch

Returns a new instance of Patch.



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# File 'lib/lemans/trial/patch.rb', line 17

def initialize(task, environment, timeout: 300, path: "agent.patch")
  @task = task
  @environment = environment
  @path = path
  @timeout = timeout

  @workdir = task.environment.workdir
  @baseline = nil
end

Instance Method Details

#collect!(result, store) ⇒ Object

Must run before the verifier restores the graded surfaces: a patch taken after would not show what the agent did to them



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# File 'lib/lemans/trial/patch.rb', line 33

def collect!(result, store)
  return unless baseline

  after = write_tree
  return unless after

  diffed = environment.exec("#{git} diff --binary #{baseline} #{after} > #{REMOTE_PATCH}", timeout:)
  return unless diffed.success?

  Tempfile.create(%w[agent .patch]) do |file|
    environment.download(REMOTE_PATCH, file.path)
    store.save_artifact(result, Pathname(file.path), path:)
  end

  environment.exec("rm -f #{REMOTE_PATCH} #{REMOTE_INDEX}", timeout:)
  path
rescue InfrastructureError => e
  warn "lemans: could not collect the agent patch for #{result.id}: #{e.message}"
  nil
end

#seal! ⇒ Object 



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# File 'lib/lemans/trial/patch.rb', line 27

def seal!
  @baseline = write_tree
end