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require "yaml"
module Nginxtra
# The status class encapsulates current state of nginxtra, such as
# when the last time nginx was compiled and with what options.
class Status
@@status = nil
# The name of the file that stores the state.
FILENAME = ".nginxtra_status".freeze
class << self
# Retrieve an option from the state stored in the filesystem.
# This will first load the state from the .nginxtra_status file
# in the root of the nginxtra gem directory, if it has not yet
# been loaded.
def[](option)
load!
@@status[option]
end
# Store an option to the status state. This will save out to
# the filesystem immediately after storing this option. The
# return value will be the value stored to the given option key.
def[]=(option, value)
load!
@@status[option] = value
save!
value
end
private
# Load the status state, if it hasn't yet been loaded. If there
# is no file yet existing, then the state is simply initialized
# to an empty hash (and it is NOT stored to the filesystem til
# the first write).
def load!
return if @@status
if File.exists? path
@@status = YAML.load File.read(path)
else
@@status = {}
end
end
# The full path to the file with the state.
def path
File.join Nginxtra::Config.base_dir, FILENAME
end
# Save the current state to disk.
def save!
File.open path, "w" do |file|
file << YAML.dump(@@status)
end
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems