Class: GitMiner::Core

Inherits:
Object
  • Object
show all
Defined in:
lib/git_miner/core.rb

Instance Method Summary collapse

Constructor Details

#initialize(engine:, dispatch:, prefix:) ⇒ Core

Returns a new instance of Core.



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# File 'lib/git_miner/core.rb', line 3

def initialize(engine:, dispatch:, prefix:)
  GitMiner.logger.info("Initializing")

  GitMiner.logger.debug("- Prefix: #{prefix}")
  GitMiner.logger.debug("- Engine: #{engine::IDENTIFIER}")
  GitMiner.logger.debug("- Dispatch: #{dispatch::IDENTIFIER}")

  @prefix = prefix

  @now = Time.now.utc

  @engine = engine.new(
    prefix: @prefix,
    now: @now,
  )

  @dispatch = dispatch.new(
    prefix: @prefix,
    engine: @engine
  )
end

Instance Method Details

#alter ⇒ Object 



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# File 'lib/git_miner/core.rb', line 62

def alter
  raise "Prerequisite: Require mining to be completed first" unless @mining_result

  author_date = @now - @mining_result.author_offset
  committer_date = @now - @mining_result.committer_offset

  GitMiner.logger.debug("Amending git")
  GitUtil.update_current_ref(author_date, committer_date)

  GitMiner.logger.info("New SHA: #{@mining_result.sha}")
end

#mine ⇒ Object 



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# File 'lib/git_miner/core.rb', line 48

def mine
  GitMiner.logger.info("Mining for SHA: #{@prefix}")

  @mining_result = @dispatch.execute
end

#report ⇒ Object 



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# File 'lib/git_miner/core.rb', line 54

def report
  raise "Prerequisite: Require mining to be completed first" unless @mining_result

  GitMiner.logger.debug("Mining completed.")
  GitMiner.logger.debug("Author offset: #{@mining_result.author_offset}")
  GitMiner.logger.debug("Committer offset: #{@mining_result.committer_offset}")
end

#validate ⇒ Object 



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# File 'lib/git_miner/core.rb', line 25

def validate
  str = "Test content"
  expected = "bca20547e94049e1ffea27223581c567022a5774"

  current = @engine.sha1(str)

  unless expected == current
    message = <<~ERROR
      Invalid sha computation logic
      Expected:  #{expected} (#{expected.size})
      Generated: #{current} (#{current.size})
    ERROR

    raise(message)
  end

  unless @prefix[/^[0-9a-f]{1,32}$/]
    raise(UserError, "Invalid prefix, expected '^[0-9a-f]{1,32}$'")
  end

  GitMiner.logger.debug("Prefix validation: Accepted")
end