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# frozen_string_literal: true
module Spec
module Checksums
class ChecksumsBuilder
def initialize(&block)
@checksums = {}
yield self if block_given?
end
def repo_gem(repo, name, version, platform = Gem::Platform::RUBY)
name_tuple = Gem::NameTuple.new(name, version, platform)
gem_file = File.join(repo, "gems", "#{name_tuple.full_name}.gem")
File.open(gem_file, "rb") do |f|
@checksums[name_tuple] = Bundler::Checksum.from_gem(f, "#{gem_file} (via ChecksumsBuilder#repo_gem)")
end
end
def no_checksum(name, version, platform = Gem::Platform::RUBY)
name_tuple = Gem::NameTuple.new(name, version, platform)
@checksums[name_tuple] = nil
end
def to_lock
@checksums.map do |name_tuple, checksum|
checksum &&= " #{checksum.to_lock}"
" #{name_tuple.lock_name}#{checksum}\n"
end.sort.join.strip
end
end
def checksum_section(&block)
ChecksumsBuilder.new(&block).to_lock
end
def checksum_for_repo_gem(*args)
checksum_section do |c|
c.repo_gem(*args)
end
end
def gem_no_checksum(*args)
checksum_section do |c|
c.no_checksum(*args)
end
end
# if prefixes is given, removes all checksums where the line
# has any of the prefixes on the line before the checksum
# otherwise, removes all checksums from the lockfile
def remove_checksums_from_lockfile(lockfile, *prefixes)
head, remaining = lockfile.split(/^CHECKSUMS$/, 2)
checksums, tail = remaining.split("\n\n", 2)
prefixes =
if prefixes.empty?
nil
else
/(#{prefixes.map {|p| Regexp.escape(p) }.join("|")})/
end
checksums = checksums.each_line.map do |line|
if prefixes.nil? || line.match?(prefixes)
line.gsub(/ sha256=[a-f0-9]{64}/i, "")
else
line
end
end
head.concat(
"CHECKSUMS",
checksums.join,
"\n\n",
tail
)
end
end
end
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