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require "json"
module VagrantPlugins
module CommandUp
# Stores metadata information about the box used
# for the current guest. This allows Vagrant to
# determine the box currently in use when the
# Vagrantfile is modified with a new box name or
# version while the guest still exists.
class StoreBoxMetadata
def initialize(app, env)
@app = app
@logger = Log4r::Logger.new("vagrant::up::storeboxmetadata")
end
def call(env)
if env[:machine].box
box = env[:machine].box
box_meta = {
name: box.name,
version: box.version,
provider: box.provider,
directory: box.directory.sub(Vagrant.user_data_path.to_s + "/", "")
}
meta_file = env[:machine].data_dir.join("box_meta")
@logger.debug("Writing box metadata file to #{meta_file}")
File.open(meta_file.to_s, "w+") do |file|
file.write(JSON.dump(box_meta))
end
else
@logger.debug("No box data found for #{env[:machine].name} with provider #{env[:machine].provider_name}")
end
@app.call(env)
end
end
end
end
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