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#
# Author:: Steven Danna <steve@chef.io>
# Copyright:: Copyright 2015-2016, Chef Software, 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.
#
require "chef/knife"
require "chef/knife/core/subcommand_loader"
class Chef
class Knife
class Rehash < Chef::Knife
banner "knife rehash"
def run
if ! Chef::Knife::SubcommandLoader.autogenerated_manifest?
ui.msg "Using knife-rehash will speed up knife's load time by caching the location of subcommands on disk."
ui.msg "However, you will need to update the cache by running `knife rehash` anytime you install a new knife plugin."
else
reload_plugins
end
write_hash(generate_hash)
end
def reload_plugins
Chef::Knife::SubcommandLoader::GemGlobLoader.new(@@chef_config_dir).load_commands
end
def generate_hash
output = if Chef::Knife::SubcommandLoader.plugin_manifest?
Chef::Knife::SubcommandLoader.plugin_manifest
else
{ Chef::Knife::SubcommandLoader::HashedCommandLoader::KEY => {}}
end
output[Chef::Knife::SubcommandLoader::HashedCommandLoader::KEY]["plugins_paths"] = Chef::Knife.subcommand_files
output[Chef::Knife::SubcommandLoader::HashedCommandLoader::KEY]["plugins_by_category"] = Chef::Knife.subcommands_by_category
output
end
def write_hash(data)
plugin_manifest_dir = File.expand_path("..", Chef::Knife::SubcommandLoader.plugin_manifest_path)
FileUtils.mkdir_p(plugin_manifest_dir) unless File.directory?(plugin_manifest_dir)
File.open(Chef::Knife::SubcommandLoader.plugin_manifest_path, "w") do |f|
f.write(Chef::JSONCompat.to_json_pretty(data))
ui.msg "Knife subcommands are cached in #{Chef::Knife::SubcommandLoader.plugin_manifest_path}. Delete this file to disable the caching."
end
end
end
end
end
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