Module: Datadog::CI::Git::BaseBranchShaDetector

Defined in:
lib/datadog/ci/git/base_branch_sha_detector.rb

Class Method Summary collapse

Class Method Details

.base_branch_sha(base_branch) ⇒ Object 



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# File 'lib/datadog/ci/git/base_branch_sha_detector.rb', line 10

def self.base_branch_sha(base_branch)
  Datadog.logger.debug { "Base branch: '#{base_branch}'" }

  remote_name = LocalRepository.get_remote_name
  Datadog.logger.debug { "Remote name: '#{remote_name}'" }

  source_branch = get_source_branch
  return nil if source_branch.nil?

  Datadog.logger.debug { "Source branch: '#{source_branch}'" }

  strategy = if base_branch.nil?
    BaseBranchShaDetection::Guesser.new(remote_name, source_branch)
  else
    BaseBranchShaDetection::MergeBaseExtractor.new(remote_name, source_branch, base_branch)
  end

  strategy.call
end

.get_source_branch ⇒ Object 



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# File 'lib/datadog/ci/git/base_branch_sha_detector.rb', line 30

def self.get_source_branch
  source_branch = CLI.exec_git_command(["rev-parse", "--abbrev-ref", "HEAD"])
  if source_branch.nil?
    Datadog.logger.debug { "Could not get current branch" }
    return nil
  end

  # Verify the branch exists
  begin
    CLI.exec_git_command(["rev-parse", "--verify", "--quiet", source_branch])
  rescue CLI::GitCommandExecutionError
    # Branch verification failed
    return nil
  end
  source_branch
end