Class: Ace::GitCommit::Molecules::MessageGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/ace/git_commit/molecules/message_generator.rb

Overview

MessageGenerator generates commit messages using LLM

Defined Under Namespace

Classes: BatchParseError

Constant Summary collapse

DEFAULT_MODEL = 
"glite"
MAX_TOKENS = 
8192
SYSTEM_PROMPT_PATH = 
"ace-git-commit/handbook/prompts/git-commit.system.md"
COMMIT_HEADER_PATTERN = 
/\A(feat|fix|docs|style|refactor|test|chore|spec|perf|build|ci|revert)(\([^)]+\))?:\s+\S+/

Instance Method Summary collapse

Constructor Details

#initialize(config = nil) ⇒ MessageGenerator

Returns a new instance of MessageGenerator.



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# File 'lib/ace/git_commit/molecules/message_generator.rb', line 18

def initialize(config = nil)
  @config = config || {}
  @model = @config.fetch("model", DEFAULT_MODEL)
end

Instance Method Details

#generate(diff, intention: nil, files: [], config: nil) ⇒ String

Generate a commit message from diff

Parameters:

  • diff (String) —

    The git diff

  • intention (String, nil) (defaults to: nil) —

    Optional intention/context

  • files (Array<String>) (defaults to: []) —

    List of changed files

  • config (Hash, nil) (defaults to: nil) —

    Optional per-invocation config override

Returns:

  • (String) —

    Generated commit message



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# File 'lib/ace/git_commit/molecules/message_generator.rb', line 29

def generate(diff, intention: nil, files: [], config: nil)
  system_prompt = load_system_prompt
  user_prompt = build_user_prompt(diff, intention, files)

  # Use QueryInterface with named parameters matching CLI
  response = Ace::LLM::QueryInterface.query(
    resolve_model(config),
    user_prompt,
    system: system_prompt,
    temperature: 0.7,
    timeout: 60,
    max_tokens: MAX_TOKENS
  )

  clean_commit_message(response[:text])
rescue Ace::LLM::Error => e
  raise Error, "Failed to generate commit message: #{e.message}"
end

#generate_batch(groups_context, intention: nil, config: nil) ⇒ Hash

Generate commit messages for multiple groups in one LLM call

Parameters:

  • groups_context (Array<Hash>) —

    Array of diff:, files:, type_hint:, description:

  • intention (String, nil) (defaults to: nil) —

    Optional intention/context

  • config (Hash, nil) (defaults to: nil) —

    Optional config override

Returns:

  • (Hash) —

    { messages: Array<String>, order: Array<String> } with LLM-recommended order



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# File 'lib/ace/git_commit/molecules/message_generator.rb', line 53

def generate_batch(groups_context, intention: nil, config: nil)
  return {messages: [], order: []} if groups_context.empty?

  if groups_context.length == 1
    msg = generate(groups_context.first[:diff], intention: intention, files: groups_context.first[:files], config: config)
    return {messages: [msg], order: [groups_context.first[:scope_name]]}
  end

  system_prompt = load_batch_system_prompt
  user_prompt = build_batch_user_prompt(groups_context, intention)

  response = Ace::LLM::QueryInterface.query(
    resolve_model(config),
    user_prompt,
    system: system_prompt,
    temperature: 0.7,
    timeout: 120,
    max_tokens: MAX_TOKENS
  )

  parse_batch_response(response[:text], groups_context)
rescue BatchParseError => e
  repaired = retry_batch_parse(groups_context, intention, response[:text], e.message, config)
  return repaired if repaired

  raise Error, "Failed to generate batch commit messages: #{e.message}"
rescue Ace::LLM::Error => e
  raise Error, "Failed to generate batch commit messages: #{e.message}"
end