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How to use sha256 method of Fetchers Package

Best Inspec_ruby code snippet using Fetchers.sha256

nix-universal-prefetch

Source:nix-universal-prefetch

...60# From here on, it is assumed we have a "command" (a fetcher) as first argument.61fetcher_name = ARGV.shift62# Let's pick its arguments.63fetcher_arguments = $fetchers[fetcher_name]64# Default to giving sha256.65options = {}66options["sha256"] = "0000000000000000000000000000000000000000000000000000";67# Parse **all** options given before quitting.68# This allows appending `--help` to an invalid invocation69$err = false70# Build options from the fetcher's arguments.71while ARGV.length > 0 do72  arg = ARGV.shift73  unless arg.match(/^--/) then74    $stderr.puts "error: don't know what to do with argument '#{arg}'"75    $err = true;76    next77  end78  arg = arg[2..-1]79  if arg == "help" then80    puts "Usage #{PROGRAM} #{fetcher_name} [options]"81    with, without = fetcher_arguments.partition { |arg_name, has_default_value| has_default_value }82    puts ""83    puts "ALL options require a value."84    puts ""85    puts "Required own options:"86    without.to_h.each do |arg_name, _|87      puts "  --#{arg_name}"88    end89    puts ""90    puts "Other options:"91    with.to_h.each do |arg_name, _|92      puts "  --#{arg_name}"93    end94    exit 095  end96  options[arg] = ARGV.shift97end98# Eh, we apparently had trouble parsing arguments.99exit 1 if $err100args = options.map do |name, value|101  # Abuse the fact that nix strings are directly compatible to serialized JSON strings.102  %Q{#{name} = #{value.to_json};}103end.join("\n")104# We might need to import a nixpkgs unless we try to use a builtin.105# The builtins are mainly useful for tests.106prefix = unless $expr or $raw or fetcher_name.match(/^builtins\./) then107    "(import <nixpkgs> {})."108  else109    ""110  end111# Forces a fetch to get an error message.112out, err, status = Open3.capture3(113  "nix-build", "--no-out-link", "-E",114  # Awww... It seems using --argstr on fetcher functions fail at passing sha256 :/115  # This is why we're building a nix expression inline...116  if $expr then117    $expr118  else119    "(#{prefix}#{fetcher_name}) {#{args}}"120  end121)122# Here we have multiple patterns that can happen.123patterns = [124  # builtins.fetchurl (nix 2.1)125  /error: hash mismatch in file downloaded from '([^']+)': got hash 'sha256:(?<hash>[[:alnum:]]+)' instead of the expected hash 'sha256:([[:alnum:]]+)'/,126  # Fixed output derivation (nix 2.1)127  /fixed-output derivation produced path '([^\s]+)' with (?<type>[^\s]+) hash '(?<hash>[[:alnum:]]+)' instead of the expected hash '([[:alnum:]]+)'/,128  # builtins.fetchurl (nix 2.2)129  /error: hash mismatch in file downloaded from '([^']+)':\n\s+wanted:\s+([[:alnum:]]+):([[:alnum:]]+)\n\s+got:\s+(?<type>[[:alnum:]]+):(?<hash>[[:alnum:]]+)/,130  # Fixed output derivation (nix 2.2)131  /hash mismatch in fixed-output derivation '([^']+)':\n\s+wanted:\s+([[:alnum:]]+):([[:alnum:]]+)\n\s+got:\s+(?<type>[[:alnum:]]+):(?<hash>[[:alnum:]]+)/,132  # Fixed output derivation (nix 2.4)133  /hash mismatch in file downloaded from '([^']+)':\n\s+specified:\s+([^\s]+)\n\s+got:\s+(?<hash>[^\s]+)/,134  # Fixed output derivation (nix 2.5pre)135  /hash mismatch in fixed-output derivation '([^']+)':\n\s+specified:\s+([^\s]+)\n\s+got:\s+(?<hash>[^\s]+)/,136]137# Find the first pattern matching the output138patterns.each do |patt|139  data = err.match(patt) or next...

url_test.rb

Source:url_test.rb

...31      url = 'http://chef.io/some.tar.gz'32      res = fetcher.resolve(url)33      res.expects(:open).returns(mock_open)34      _(res).must_be_kind_of Fetchers::Url35      _(res.resolved_source).must_equal({url: 'http://chef.io/some.tar.gz', sha256: expected_shasum})36    end37    it 'handles a https url' do38      url = 'https://chef.io/some.tar.gz'39      res = fetcher.resolve(url)40      res.expects(:open).returns(mock_open)41      _(res).must_be_kind_of Fetchers::Url42      _(res.resolved_source).must_equal({url: 'https://chef.io/some.tar.gz', sha256: expected_shasum})43    end44    it 'doesnt handle other schemas' do45      fetcher.resolve('gopher://chef.io/some.tar.gz').must_be_nil46    end47    it 'only handles URLs' do48      fetcher.resolve(__FILE__).must_be_nil49    end50    %w{https://github.com/chef/inspec51       https://github.com/chef/inspec.git52       https://www.github.com/chef/inspec.git53       http://github.com/chef/inspec54       http://github.com/chef/inspec.git55       http://www.github.com/chef/inspec.git}.each do |github|56      it "resolves a github url #{github}" do57        res = fetcher.resolve(github)58        res.expects(:open).returns(mock_open)59        _(res).wont_be_nil60        _(res.resolved_source).must_equal({url: 'https://github.com/chef/inspec/archive/master.tar.gz', sha256: expected_shasum})61      end62    end63    it "resolves a github branch url" do64      github = 'https://github.com/hardening-io/tests-os-hardening/tree/2.0'65      res = fetcher.resolve(github)66      res.expects(:open).returns(mock_open)67      _(res).wont_be_nil68      _(res.resolved_source).must_equal({url: 'https://github.com/hardening-io/tests-os-hardening/archive/2.0.tar.gz', sha256: expected_shasum})69    end70    it "resolves a github commit url" do71      github = 'https://github.com/hardening-io/tests-os-hardening/tree/48bd4388ddffde68badd83aefa654e7af3231876'72      res = fetcher.resolve(github)73      res.expects(:open).returns(mock_open)74      _(res).wont_be_nil75      _(res.resolved_source).must_equal({url: 'https://github.com/hardening-io/tests-os-hardening/archive/48bd4388ddffde68badd83aefa654e7af3231876.tar.gz',76                                         sha256: expected_shasum})77    end78  end79  describe 'applied to a valid url (mocked tar.gz)' do80    let(:mock_file) { MockLoader.profile_tgz('complete-profile') }81    let(:target) { 'http://myurl/file.tar.gz' }82    let(:subject) { fetcher.resolve(target) }83    let(:mock_open) {84      m = Minitest::Mock.new85      m.expect :meta, {'content-type' => 'application/gzip'}86      m.expect :read, File.open(mock_file, 'rb').read87      m88    }89    let(:mock_dest) {90      f = Tempfile.new("url-fetch-test")...

sha256

Using AI Code Generation

1  def self.sha256(url)2    open(url) do |io|3        sha256.update io.readpartial(1024)4puts Fetchers.sha256('http://www.ruby-lang.org/en/')5puts Fetchers.sha256('http://www.ruby-lang.org/en/')6puts Fetchers.sha256('http://www.ruby-lang.org/en/')7  def self.sha256(url)8    open(url) do |io|9        sha256.update io.readpartial(1024)10puts Fetchers.sha256('http://www.ruby-lang.org/en/')11puts Fetchers.sha256('http://www.ruby-lang.org/en/')12puts Fetchers.sha256('http://www.ruby-lang.org/en/')13    def sha256(url)14      open(url) do |io|15          sha256.update io.readpartial(1024)

sha256

Using AI Code Generation

1  def self.sha256(url)2    Net::HTTP.get(URI(url)) do |chunk|3      sha256.update(chunk)4puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')5puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')6puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')7puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')8puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')9puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')10puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')11puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')12puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest/SHA256.html')13puts Fetchers.sha256('http://ruby-doc.org/stdlib-2.0.0/libdoc/digest/rdoc/Digest

sha256

Using AI Code Generation

1  def self.sha256(url)2    Digest::SHA256.hexdigest(open(url).read)3puts Fetchers.sha256('https://www.google.com')4  def self.sha256(url)5    Digest::SHA256.hexdigest(open(url).read)6puts Fetchers.sha256('https://www.google.com')

sha256

Using AI Code Generation

1  def self.sha256(url)2    Digest::SHA256.hexdigest(url)3puts Fetchers.sha256('https://www.google.com')4puts Fetchers.sha256('https://www.google.com')5puts Fetchers.sha256('https://www.google.com')6puts Fetchers.sha256('https://www.google.com')7puts Fetchers.sha256('https://www.google.com')8puts Fetchers.sha256('https://www.google.com')9puts Fetchers.sha256('https://www.google.com')10puts Fetchers.sha256('https://www.google.com')11puts Fetchers.sha256('https://www.google.com')12puts Fetchers.sha256('https://www.google.com')13puts Fetchers.sha256('https://www.google.com')14puts Fetchers.sha256('https://www.google.com')15puts Fetchers.sha256('https://www.google.com')16puts Fetchers.sha256('https://www.google.com')

sha256

Using AI Code Generation

1    def self.sha256(url)2        uri = URI.parse(url)3        Net::HTTP.start(uri.host, uri.port) do |http|4puts Fetchers.sha256('http://google.com')52.rb:1:in `require_relative': cannot infer basepath (LoadError)

sha256

Using AI Code Generation

1        uri = URI(@url)2        response = Net::HTTP.get(uri)3        json = JSON.parse(response)4        uri = URI(@url)5        response = Net::HTTP.get(uri)6        json = JSON.parse(response)7        uri = URI(@url)8        response = Net::HTTP.get(uri)9        json = JSON.parse(response)

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