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opt
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ruby26
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lib64
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2.6.0
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bundler
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source
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git
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Filename :
git_proxy.rb
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# frozen_string_literal: true require "shellwords" require "tempfile" module Bundler class Source class Git class GitNotInstalledError < GitError def initialize msg = String.new msg << "You need to install git to be able to use gems from git repositories. " msg << "For help installing git, please refer to GitHub's tutorial at https://help.github.com/articles/set-up-git" super msg end end class GitNotAllowedError < GitError def initialize(command) msg = String.new msg << "Bundler is trying to run a `git #{command}` at runtime. You probably need to run `bundle install`. However, " msg << "this error message could probably be more useful. Please submit a ticket at http://github.com/bundler/bundler/issues " msg << "with steps to reproduce as well as the following\n\nCALLER: #{caller.join("\n")}" super msg end end class GitCommandError < GitError def initialize(command, path = nil, extra_info = nil) msg = String.new msg << "Git error: command `git #{command}` in directory #{SharedHelpers.pwd} has failed." msg << "\n#{extra_info}" if extra_info msg << "\nIf this error persists you could try removing the cache directory '#{path}'" if path && path.exist? super msg end end class MissingGitRevisionError < GitError def initialize(ref, repo) msg = "Revision #{ref} does not exist in the repository #{repo}. Maybe you misspelled it?" super msg end end # The GitProxy is responsible to interact with git repositories. # All actions required by the Git source is encapsulated in this # object. class GitProxy attr_accessor :path, :uri, :ref attr_writer :revision def initialize(path, uri, ref, revision = nil, git = nil) @path = path @uri = uri @ref = ref @revision = revision @git = git raise GitNotInstalledError.new if allow? && !Bundler.git_present? end def revision return @revision if @revision begin @revision ||= find_local_revision rescue GitCommandError raise MissingGitRevisionError.new(ref, URICredentialsFilter.credential_filtered_uri(uri)) end @revision end def branch @branch ||= allowed_in_path do git("rev-parse --abbrev-ref HEAD").strip end end def contains?(commit) allowed_in_path do result = git_null("branch --contains #{commit}") $? == 0 && result =~ /^\* (.*)$/ end end def version git("--version").match(/(git version\s*)?((\.?\d+)+).*/)[2] end def full_version git("--version").sub("git version", "").strip end def checkout return if path.exist? && has_revision_cached? extra_ref = "#{Shellwords.shellescape(ref)}:#{Shellwords.shellescape(ref)}" if ref && ref.start_with?("refs/") Bundler.ui.info "Fetching #{URICredentialsFilter.credential_filtered_uri(uri)}" unless path.exist? SharedHelpers.filesystem_access(path.dirname) do |p| FileUtils.mkdir_p(p) end git_retry %(clone #{uri_escaped_with_configured_credentials} "#{path}" --bare --no-hardlinks --quiet) return unless extra_ref end in_path do git_retry %(fetch --force --quiet --tags #{uri_escaped_with_configured_credentials} "refs/heads/*:refs/heads/*" #{extra_ref}) end end def copy_to(destination, submodules = false) # method 1 unless File.exist?(destination.join(".git")) begin SharedHelpers.filesystem_access(destination.dirname) do |p| FileUtils.mkdir_p(p) end SharedHelpers.filesystem_access(destination) do |p| FileUtils.rm_rf(p) end git_retry %(clone --no-checkout --quiet "#{path}" "#{destination}") File.chmod(((File.stat(destination).mode | 0o777) & ~File.umask), destination) rescue Errno::EEXIST => e file_path = e.message[%r{.*?(/.*)}, 1] raise GitError, "Bundler could not install a gem because it needs to " \ "create a directory, but a file exists - #{file_path}. Please delete " \ "this file and try again." end end # method 2 SharedHelpers.chdir(destination) do git_retry %(fetch --force --quiet --tags "#{path}") begin git "reset --hard #{@revision}" rescue GitCommandError raise MissingGitRevisionError.new(@revision, URICredentialsFilter.credential_filtered_uri(uri)) end if submodules git_retry "submodule update --init --recursive" elsif Gem::Version.create(version) >= Gem::Version.create("2.9.0") git_retry "submodule deinit --all --force" end end end private # TODO: Do not rely on /dev/null. # Given that open3 is not cross platform until Ruby 1.9.3, # the best solution is to pipe to /dev/null if it exists. # If it doesn't, everything will work fine, but the user # will get the $stderr messages as well. def git_null(command) git("#{command} 2>#{Bundler::NULL}", false) end def git_retry(command) Bundler::Retry.new("`git #{URICredentialsFilter.credential_filtered_string(command, uri)}`", GitNotAllowedError).attempts do git(command) end end def git(command, check_errors = true, error_msg = nil) command_with_no_credentials = URICredentialsFilter.credential_filtered_string(command, uri) raise GitNotAllowedError.new(command_with_no_credentials) unless allow? out = SharedHelpers.with_clean_git_env do capture_and_filter_stderr(uri) { `git #{command}` } end stdout_with_no_credentials = URICredentialsFilter.credential_filtered_string(out, uri) raise GitCommandError.new(command_with_no_credentials, path, error_msg) if check_errors && !$?.success? stdout_with_no_credentials end def has_revision_cached? return unless @revision in_path { git("cat-file -e #{@revision}") } true rescue GitError false end def remove_cache FileUtils.rm_rf(path) end def find_local_revision allowed_in_path do git("rev-parse --verify #{Shellwords.shellescape(ref)}", true).strip end end # Escape the URI for git commands def uri_escaped_with_configured_credentials remote = configured_uri_for(uri) if Bundler::WINDOWS # Windows quoting requires double quotes only, with double quotes # inside the string escaped by being doubled. '"' + remote.gsub('"') { '""' } + '"' else # Bash requires single quoted strings, with the single quotes escaped # by ending the string, escaping the quote, and restarting the string. "'" + remote.gsub("'") { "'\\''" } + "'" end end # Adds credentials to the URI as Fetcher#configured_uri_for does def configured_uri_for(uri) if /https?:/ =~ uri remote = URI(uri) config_auth = Bundler.settings[remote.to_s] || Bundler.settings[remote.host] remote.userinfo ||= config_auth remote.to_s else uri end end def allow? @git ? @git.allow_git_ops? : true end def in_path(&blk) checkout unless path.exist? _ = URICredentialsFilter # load it before we chdir SharedHelpers.chdir(path, &blk) end def allowed_in_path return in_path { yield } if allow? raise GitError, "The git source #{uri} is not yet checked out. Please run `bundle install` before trying to start your application" end # TODO: Replace this with Open3 when upgrading to bundler 2 # Similar to #git_null, as Open3 is not cross-platform, # a temporary way is to use Tempfile to capture the stderr. # When replacing this using Open3, make sure git_null is # also replaced by Open3, so stdout and stderr all got handled properly. def capture_and_filter_stderr(uri) return_value, captured_err = "" backup_stderr = STDERR.dup begin Tempfile.open("captured_stderr") do |f| STDERR.reopen(f) return_value = yield f.rewind captured_err = f.read end ensure STDERR.reopen backup_stderr end $stderr.puts URICredentialsFilter.credential_filtered_string(captured_err, uri) if uri && !captured_err.empty? return_value end end end end end