Class: R10K::Git::Cache

Inherits:
Repository show all
Includes:
Logging, Settings::Mixin
Defined in:
lib/r10k/git/cache.rb

Overview

Mirror a git repository for use shared git object repositories

See Also:

  • git-clone(1)

Constant Summary

Constants included from Logging

Logging::LOG_LEVELS

Instance Attribute Summary collapse

Attributes inherited from Repository

#basedir, #dirname, #git_dir, #remote

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Logging

formatter, included, level, level=, levels, #logger, #logger_name, outputter, parse_level

Methods included from Settings::Mixin

included

Methods inherited from Repository

#remotes, #resolve_commit, #resolve_head, #resolve_ref, #resolve_remote_head, #resolve_tag

Constructor Details

#initialize(remote) ⇒ Cache 



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# File 'lib/r10k/git/cache.rb', line 38

def initialize(remote)
  @remote = remote

  @git_dir = File.join(settings[:cache_root], sanitized_dirname)
end

Instance Attribute Details

#path ⇒ Object (readonly) 



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# File 'lib/r10k/git/cache.rb', line 31

def path
  logger.warn "#{self.class}#path is deprecated; use #git_dir"
  @git_dir
end

Class Method Details

.generate(remote) ⇒ Object 



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# File 'lib/r10k/git/cache.rb', line 22

def self.generate(remote)
  registry.generate(remote)
end

.registry ⇒ Object 



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# File 'lib/r10k/git/cache.rb', line 18

def self.registry
  @registry ||= R10K::Registry.new(self)
end

Instance Method Details

#branches ⇒ Array<String> 



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# File 'lib/r10k/git/cache.rb', line 74

def branches
  output = git %w[for-each-ref refs/heads --format %(refname)], :git_dir => git_dir
  output.stdout.scan(%r[refs/heads/(.*)$]).flatten
end

#cached? ⇒ true, false 



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# File 'lib/r10k/git/cache.rb', line 80

def cached?
  File.exist? git_dir
end

#sync ⇒ Object 



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# File 'lib/r10k/git/cache.rb', line 44

def sync
  if not @synced
    sync!
    @synced = true
  end
end

#sync! ⇒ Object 



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# File 'lib/r10k/git/cache.rb', line 51

def sync!
  if cached?
    fetch
  else
    logger.debug "Creating new git cache for #{@remote.inspect}"

    # TODO extract this to an initialization step
    unless File.exist? settings[:cache_root]
      FileUtils.mkdir_p settings[:cache_root]
    end

    git ['clone', '--mirror', @remote, git_dir]
  end
rescue R10K::Util::Subprocess::SubprocessError => e
  msg = e.result.stderr.slice(/^fatal: .*$/)
  if msg
    raise R10K::Git::GitError, "Couldn't update git cache for #{@remote}: #{msg.inspect}"
  else
    raise e
  end
end