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# GOV.UK Mini Environment Admin
# Copyright © 2018 Christopher Baines <mail@cbaines.net>
#
# This file is part of the GOV.UK Mini Environment Admin.
#
# The GOV.UK Mini Environment Admin is free software: you can
# redistribute it and/or modify it under the terms of the GNU Affero
# General Public License as published by the Free Software Foundation,
# either version 3 of the License, or (at your option) any later
# version.
#
# The GOV.UK Mini Environment Admin is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with the GOV.UK Mini Environment Admin. If not, see
# <http://www.gnu.org/licenses/>.
module GovukGuix::UpdateGcrootsDirectory
extend ::ShellUtils
DIRECTORY = '/var/guix/gcroots/govuk-mini-environment-admin'
def self.set_in_use_store_paths(store_paths, options = {})
current_store_paths = list_store_paths(options)
(current_store_paths - store_paths).each do |store_path|
remove_store_path(store_path, options)
end
(store_paths - current_store_paths).each do |store_path|
add_store_path(store_path, options)
end
end
def self.add_store_path(store_path, options = {})
run_command(
'ln', '-s',
store_path,
File.join(DIRECTORY, store_path['/gnu/store/'.length..-1]),
run_remotely_on_host: options[:run_remotely_on_host]
)
end
def self.remove_store_path(store_path, options = {})
run_command(
'rm', File.join(DIRECTORY, store_path['/gnu/store/'.length..-1]),
run_remotely_on_host: options[:run_remotely_on_host]
)
end
def self.list_store_paths(options = {})
run_command(
'ls', '-1', DIRECTORY,
run_remotely_on_host: options[:run_remotely_on_host]
).map do |store_path_suffix|
"/gnu/store/#{store_path_suffix.strip}"
end
end
end
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