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#
# Author:: Tim Hinderliter (<tim@opscode.com>)
# Copyright:: Copyright (c) 2011 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
class Chef
class Checksum
class Storage
class Filesystem
def initialize(base_dir, checksum)
@base_dir = base_dir
@checksum = checksum
end
def file_location
File.join(checksum_repo_directory, @checksum)
end
alias :to_s :file_location
def checksum_repo_directory
File.join(Chef::Config.checksum_path, @checksum[0..1])
end
def commit(sandbox_file)
FileUtils.mkdir_p(checksum_repo_directory)
File.rename(sandbox_file, file_location)
end
def revert(original_committed_file_location)
File.rename(file_location, original_committed_file_location)
end
# Deletes the file backing this checksum from the on-disk repo.
# Purging the checksums is how users can get back to a valid state if
# they've deleted files, so we silently swallow Errno::ENOENT here.
def purge
FileUtils.rm(file_location)
rescue Errno::ENOENT
true
end
end
end
end
end
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