JezK
Edit File: git_proxy.rb
# frozen_string_literal: true 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 `#{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 https://github.com/rubygems/rubygems/issues/new?labels=Bundler&template=bundler-related-issue.md " msg << "with steps to reproduce as well as the following\n\nCALLER: #{caller.join("\n")}" super msg end end class GitCommandError < GitError attr_reader :command def initialize(command, path, extra_info = nil) @command = command msg = String.new msg << "Git error: command `#{command}` in directory #{path} has failed." msg << "\n#{extra_info}" if extra_info msg << "\nIf this error persists you could try removing the cache directory '#{path}'" if path.exist? super msg end end class MissingGitRevisionError < GitCommandError def initialize(command, destination_path, ref, repo) msg = "Revision #{ref} does not exist in the repository #{repo}. Maybe you misspelled it?" super command, destination_path, 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 end def revision @revision ||= find_local_revision end def branch @branch ||= allowed_with_path do git("rev-parse", "--abbrev-ref", "HEAD", :dir => path).strip end end def contains?(commit) allowed_with_path do result, status = git_null("branch", "--contains", commit, :dir => path) status.success? && 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 = "#{ref}:#{ref}" if ref && ref.start_with?("refs/") Bundler.ui.info "Fetching #{URICredentialsFilter.credential_filtered_uri(uri)}" configured_uri = configured_uri_for(uri).to_s unless path.exist? SharedHelpers.filesystem_access(path.dirname) do |p| FileUtils.mkdir_p(p) end git_retry "clone", "--bare", "--no-hardlinks", "--quiet", "--", configured_uri, path.to_s return unless extra_ref end with_path do git_retry(*["fetch", "--force", "--quiet", "--tags", "--", configured_uri, "refs/heads/*:refs/heads/*", extra_ref].compact, :dir => path) 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.to_s, destination.to_s File.chmod(((File.stat(destination).mode | 0o777) & ~File.umask), destination) rescue Errno::EEXIST => e file_path = e.message[%r{.*?((?:[a-zA-Z]:)?/.*)}, 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 git_retry "fetch", "--force", "--quiet", "--tags", path.to_s, :dir => destination begin git "reset", "--hard", @revision, :dir => destination rescue GitCommandError => e raise MissingGitRevisionError.new(e.command, destination, @revision, URICredentialsFilter.credential_filtered_uri(uri)) end if submodules git_retry "submodule", "update", "--init", "--recursive", :dir => destination elsif Gem::Version.create(version) >= Gem::Version.create("2.9.0") inner_command = "git -C $toplevel submodule deinit --force $sm_path" git_retry "submodule", "foreach", "--quiet", inner_command, :dir => destination end end private def git_null(*command, dir: nil) check_allowed(command) out, status = SharedHelpers.with_clean_git_env do capture_and_ignore_stderr(*capture3_args_for(command, dir)) end [URICredentialsFilter.credential_filtered_string(out, uri), status] end def git_retry(*command, dir: nil) command_with_no_credentials = check_allowed(command) Bundler::Retry.new("`#{command_with_no_credentials}` at #{dir || SharedHelpers.pwd}").attempts do git(*command, :dir => dir) end end def git(*command, dir: nil) command_with_no_credentials = check_allowed(command) out, status = SharedHelpers.with_clean_git_env do capture_and_filter_stderr(*capture3_args_for(command, dir)) end filtered_out = URICredentialsFilter.credential_filtered_string(out, uri) raise GitCommandError.new(command_with_no_credentials, dir || SharedHelpers.pwd, filtered_out) unless status.success? filtered_out end def has_revision_cached? return unless @revision with_path { git("cat-file", "-e", @revision, :dir => path) } true rescue GitError false end def remove_cache FileUtils.rm_rf(path) end def find_local_revision allowed_with_path do git("rev-parse", "--verify", ref || "HEAD", :dir => path).strip end rescue GitCommandError => e raise MissingGitRevisionError.new(e.command, path, ref, URICredentialsFilter.credential_filtered_uri(uri)) end # Adds credentials to the URI as Fetcher#configured_uri_for does def configured_uri_for(uri) if /https?:/ =~ uri remote = Bundler::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? allowed = @git ? @git.allow_git_ops? : true raise GitNotInstalledError.new if allowed && !Bundler.git_present? allowed end def with_path(&blk) checkout unless path.exist? blk.call end def allowed_with_path return with_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 def check_allowed(command) require "shellwords" command_with_no_credentials = URICredentialsFilter.credential_filtered_string("git #{command.shelljoin}", uri) raise GitNotAllowedError.new(command_with_no_credentials) unless allow? command_with_no_credentials end def capture_and_filter_stderr(*cmd) require "open3" return_value, captured_err, status = Open3.capture3(*cmd) Bundler.ui.warn URICredentialsFilter.credential_filtered_string(captured_err, uri) unless captured_err.empty? [return_value, status] end def capture_and_ignore_stderr(*cmd) require "open3" return_value, _, status = Open3.capture3(*cmd) [return_value, status] end def capture3_args_for(cmd, dir) return ["git", *cmd] unless dir if Bundler.feature_flag.bundler_3_mode? || supports_minus_c? ["git", "-C", dir.to_s, *cmd] else ["git", *cmd, { :chdir => dir.to_s }] end end def supports_minus_c? @supports_minus_c ||= Gem::Version.new(version) >= Gem::Version.new("1.8.5") end end end end end