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Diffstat (limited to 'lib/chef/checksum/storage/filesystem.rb')
-rw-r--r-- | lib/chef/checksum/storage/filesystem.rb | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/chef/checksum/storage/filesystem.rb b/lib/chef/checksum/storage/filesystem.rb new file mode 100644 index 0000000000..7500a5ad85 --- /dev/null +++ b/lib/chef/checksum/storage/filesystem.rb @@ -0,0 +1,56 @@ +# +# 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 |