crowbar_framework/lib/tasks/assets.rake
#
# Copyright 2015, SUSE Linux GmbH
#
# 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.
#
namespace :assets do
def available_assets
Pathname.glob(
Rails.root.join(
"public",
"assets",
"**",
"*"
)
)
end
def digested_regex
/(-{1}[a-z0-9]{32}*\.{1}){1}/
end
task setup_logger: :environment do
@logger = Logger.new(STDOUT)
@logger.level = Logger::INFO
end
task non_digested: :setup_logger do
available_assets.each do |asset|
next if asset.directory?
next unless asset.to_s =~ digested_regex
simple = asset.dirname.join(
asset.basename.to_s.gsub(digested_regex, ".")
)
if simple.exist?
simple.delete
end
@logger.info "Symlinking #{simple}"
simple.make_symlink(asset.basename)
end
end
task clean_dangling: :setup_logger do
available_assets.each do |asset|
next if asset.directory?
next if asset.to_s =~ digested_regex
next unless asset.symlink?
# exist? is enough for checking the symlink target as it resolves the
# link target and checks if that really exists. The check for having a
# symlink is already done above.
unless asset.exist?
@logger.info "Removing #{asset}"
asset.delete
end
end
end
end
Rake::Task["assets:precompile"].enhance do
Rake::Task["assets:non_digested"].invoke
Rake::Task["assets:clean_dangling"].invoke
end