Class: Suma::Cli::Compare

Inherits:
Thor
  • Object
show all
Defined in:
lib/suma/cli/compare.rb

Overview

Command to compare EXPRESS schemas using eengine

Instance Method Summary collapse

Instance Method Details

#compare(trial_schema, reference_schema) ⇒ Object 



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# File 'lib/suma/cli/compare.rb', line 46

def compare(trial_schema, reference_schema)
  # Validate schema files exist
  unless File.exist?(trial_schema)
    say "Error: Trial schema not found: #{trial_schema}", :red
    exit 1
  end

  unless File.exist?(reference_schema)
    say "Error: Reference schema not found: #{reference_schema}", :red
    exit 1
  end

  # Check eengine availability
  unless Eengine::Wrapper.available?
    say "Error: eengine not found in PATH", :red
    say "Install eengine following instructions at:"
    say "  macOS: https://github.com/expresslang/homebrew-eengine"
    say "  Linux: https://github.com/expresslang/eengine-releases"
    exit 1
  end

  # Auto-detect repo roots
  trial_stepmod = options[:trial_stepmod] ||
    detect_repo_root(trial_schema)
  reference_stepmod = options[:reference_stepmod] ||
    detect_repo_root(reference_schema)

  if options[:verbose]
    say "Using eengine version: #{Eengine::Wrapper.version}", :green
    say "Trial repo root: #{trial_stepmod}", :cyan
    say "Reference repo root: #{reference_stepmod}", :cyan
  end

  # Create a temporary directory for eengine output
  require "tmpdir"
  out_dir = nil
  out_dir = Dir.mktmpdir("eengine-compare-")

  # Run comparison
  result = Eengine::Wrapper.compare(
    trial_schema,
    reference_schema,
    mode: options[:mode],
    trial_stepmod: trial_stepmod,
    reference_stepmod: reference_stepmod,
    out_dir: out_dir,
  )

  unless result[:has_changes]
    say "No changes detected between schemas", :yellow
    # Clean up temp directory
    FileUtils.rm_rf(out_dir) if out_dir && File.directory?(out_dir)
    return
  end

  unless result[:xml_path]
    say "Error: XML output not found", :red
    exit 1
  end

  if options[:verbose]
    say "Comparison XML generated: #{result[:xml_path]}", :green
  end

  # Convert to Change YAML
  convert_to_change_yaml(result[:xml_path], trial_schema, out_dir)
rescue Eengine::EengineError => e
  # Clean up temp directory
  FileUtils.rm_rf(out_dir) if out_dir && File.directory?(out_dir)
  say "Error: #{e.message}", :red
  say e.stderr if e.respond_to?(:stderr) && options[:verbose]
  exit 1
end