Class: MultiRepo::LockFile

Inherits:
TrackingFile show all
Defined in:
lib/multirepo/files/lock-file.rb

Constant Summary collapse

FILENAME = 
".multirepo.lock"

Instance Method Summary collapse

Methods inherited from TrackingFile

#update_internal

Constructor Details

#initialize(path) ⇒ LockFile

Returns a new instance of LockFile.



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# File 'lib/multirepo/files/lock-file.rb', line 12

def initialize(path)
  @path = path
end

Instance Method Details

#ensure_access(file, error_message, &check) ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 58

def ensure_access(file, error_message, &check)
  fail MultiRepoException, error_message if File.exists?(file) && !check.call(File.stat(file))
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/multirepo/files/lock-file.rb', line 24

def exists?
  File.exist?(file)
end

#file ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 16

def file
  File.join(@path, FILENAME)
end

#filename ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 20

def filename
  FILENAME
end

#load_entries ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 28

def load_entries
  ensure_access(file, "Can't read lock file (permissions)") { |stat| stat.readable? }
  Psych.load(File.read(file))
end

#update ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 33

def update
  ensure_access(file, "Can't write lock file (permissions)") { |stat| stat.writable? }
  config_entries = ConfigFile.new(@path).load_entries
  lock_entries = config_entries.map { |c| LockEntry.new(c) }
  content = Psych.dump(lock_entries)
  return update_internal(file, content)
end

#validate! ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 41

def validate!
  load_entries.all? { |e| validate_entry! e }
end

#validate_entry!(entry) ⇒ Object 



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# File 'lib/multirepo/files/lock-file.rb', line 45

def validate_entry!(entry)
  valid = true
  
  # head
  valid &= /\b([a-f0-9]{40})\b/ =~ entry.head.to_s
  
  # branch
  GitRunner.run(@path, "check-ref-format --branch #{entry.branch}", Verbosity::OUTPUT_NEVER)
  valid &= (entry.branch == "" || GitRunner.last_command_succeeded)
  
  return valid
end