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# frozen_string_literal: true
module Packages
module Go
class ModuleVersion
include Gitlab::Utils::StrongMemoize
include Gitlab::Golang
VALID_TYPES = %i[ref commit pseudo].freeze
attr_reader :mod, :type, :ref, :commit
delegate :major, to: :@semver, allow_nil: true
delegate :minor, to: :@semver, allow_nil: true
delegate :patch, to: :@semver, allow_nil: true
delegate :prerelease, to: :@semver, allow_nil: true
delegate :build, to: :@semver, allow_nil: true
def initialize(mod, type, commit, name: nil, semver: nil, ref: nil)
raise ArgumentError, "invalid type '#{type}'" unless VALID_TYPES.include? type
raise ArgumentError, "mod is required" unless mod
raise ArgumentError, "commit is required" unless commit
case type
when :ref
raise ArgumentError, "ref is required" unless ref
when :pseudo
raise ArgumentError, "name is required" unless name
raise ArgumentError, "semver is required" unless semver
end
@mod = mod
@type = type
@commit = commit
@name = name if name
@semver = semver if semver
@ref = ref if ref
end
def name
@name || @ref&.name
end
def full_name
"#{mod.name}@#{name || commit.sha}"
end
def gomod
if strong_memoized?(:blobs)
blob_at(@mod.path + '/go.mod')
elsif @mod.path.empty?
@mod.project.repository.blob_at(@commit.sha, 'go.mod')&.data
else
@mod.project.repository.blob_at(@commit.sha, @mod.path + '/go.mod')&.data
end
end
strong_memoize_attr :gomod
def archive
suffix_len = @mod.path == '' ? 0 : @mod.path.length + 1
Zip::OutputStream.write_buffer do |zip|
files.each do |file|
zip.put_next_entry "#{full_name}/#{file[suffix_len...]}"
zip.write blob_at(file)
end
end
end
def files
ls_tree.filter { |e| !excluded.any? { |n| e.start_with? n } }
end
strong_memoize_attr :files
def excluded
ls_tree
.filter { |f| f.end_with?('/go.mod') && f != @mod.path + '/go.mod' }
.map { |f| f[0..-7] }
end
strong_memoize_attr :excluded
def valid?
# assume the module version is valid if a corresponding Package exists
return true if ::Packages::Go::PackageFinder.new(mod.project, mod.name, name).exists?
@mod.path_valid?(major) && @mod.gomod_valid?(gomod)
end
private
def blob_at(path)
return if path.nil? || path.empty?
path = path[1..] if path.start_with? '/'
blobs.find { |x| x.path == path }&.data
end
def blobs
@mod.project.repository.batch_blobs(files.map { |x| [@commit.sha, x] })
end
strong_memoize_attr :blobs
def ls_tree
path = if @mod.path.empty?
'.'
else
@mod.path
end
@mod.project.repository.gitaly_repository_client.search_files_by_name(@commit.sha, path)
end
strong_memoize_attr :ls_tree
end
end
end
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