Class: Autoproj::PackageManagers::BundlerManager

Inherits:
Manager
  • Object
show all
Defined in:
lib/autoproj/package_managers/bundler_manager.rb

Overview

Package manager interface for the RubyGems system

Defined Under Namespace

Classes: GemEntry, NotCleanState

Class Attribute Summary collapse

Instance Attribute Summary collapse

Attributes inherited from Manager

#enabled, #silent, #ws

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Manager

#configure_manager, #enabled?, #initialize, #os_dependencies, #silent?

Constructor Details

This class inherits a constructor from Autoproj::PackageManagers::Manager

Class Attribute Details

.with_doc ⇒ Object

Returns the value of attribute with_doc.



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 8

def with_doc
  @with_doc
end

.with_prerelease(*value) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 13

def self.with_prerelease(*value)
    if value.empty?
        @with_prerelease
    else
        begin
            saved_flag = @with_prerelease
            @with_prerelease = value.first
            yield
        ensure
            @with_prerelease = saved_flag
        end
    end
end

Instance Attribute Details

#cache_dir ⇒ String

Directory with cached .gem packages

The directory must exist, but may be empty. It is initialized with #cache_dir

Returns:

  • (String) 


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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 33

def cache_dir
  @cache_dir
end

Class Method Details

.add_build_configuration_for(gem_name, build_config, ws: Autoproj.workspace) ⇒ Object

Add new build configuration arguments for a given gem

This is meant to be used from the Autoproj configuration files, e.g. overrides.rb or package configuration



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 172

def self.add_build_configuration_for(gem_name, build_config, ws: Autoproj.workspace)
    c = ws.config.get("bundler.build", {})
    c[gem_name] = [c[gem_name], build_config].compact.join(" ")
    ws.config.set("bundler.build", c)
end

.apply_build_config(ws) ⇒ void

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

This method returns an undefined value.

Apply configured per-gem build configuration options

Parameters:

  • ws (Workspace) —

    the workspace whose bundler configuration should be updated



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 205

def self.apply_build_config(ws)
    root_dir = File.join(ws.prefix_dir, "gems")
    current_config_path = File.join(root_dir, ".bundle", "config")
    current_config =
        if File.file?(current_config_path)
            File.readlines(current_config_path)
        else
            []
        end

    build_config = {}
    per_gem_build_config(ws).each do |name, conf|
        build_config[name.upcase] = conf
    end

    new_config = current_config.map do |line|
        next(line) unless (m = line.match(/BUNDLE_BUILD__(.*): "(.*)"$/))
        next unless (desired_config = build_config.delete(m[1]))

        if m[2] == desired_config
            line
        else
            "BUNDLE_BUILD__#{m[1]}: \"#{desired_config}\""
        end
    end.compact

    build_config.each do |name, config|
        new_config << "BUNDLE_BUILD__#{name}: \"#{config}\""
    end

    if new_config != current_config
        FileUtils.mkdir_p File.dirname(current_config_path)
        File.open(current_config_path, "w") do |io|
            io.write new_config.join
        end
    end
end

.bundle_gem_path(ws, gem_name, bundler_version: ws.config.bundler_version, gem_home: nil, gemfile: nil) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 329

def self.bundle_gem_path(ws, gem_name,
    bundler_version: ws.config.bundler_version,
    gem_home: nil, gemfile: nil)
    path = String.new
    run_bundler(
        ws, "show", gem_name,
        bundler_version: bundler_version, gem_home: gem_home,
        gemfile: gemfile
    ) { |line| path << line }
    path.chomp
end

.configure_build_for(gem_name, build_config, ws: Autoproj.workspace) ⇒ Object

Set the build configuration for the given gem

This is meant to be used from the Autoproj configuration files, e.g. overrides.rb or package configuration



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 182

def self.configure_build_for(gem_name, build_config, ws: Autoproj.workspace)
    c = ws.config.get("bundler.build", {})
    c[gem_name] = build_config
    ws.config.set("bundler.build", c)
end

.default_bundler(ws) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 341

def self.default_bundler(ws)
    File.join(ws.dot_autoproj_dir, "bin", "bundle")
end

.default_gemfile_path(ws) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 458

def self.default_gemfile_path(ws)
    File.join(ws.prefix_dir, "gems", "Gemfile")
end

.per_gem_build_config(ws) ⇒ Object

Enumerate the per-gem build configurations



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 164

def self.per_gem_build_config(ws)
    ws.config.get("bundler.build", {})
end

.remove_build_configuration_for(gem_name, ws: Autoproj.workspace) ⇒ Object

Removes build configuration flags for the given gem

This is meant to be used from the Autoproj configuration files, e.g. overrides.rb or package configuration



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 192

def self.remove_build_configuration_for(gem_name, ws: Autoproj.workspace)
    c = ws.config.get("bundler.build", {})
    c.delete(gem_name)
    ws.config.set("bundler.build", c)
end

.rubylib_for_bundler ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 619

def self.rubylib_for_bundler
    rx = Regexp.new("/gems/#{Regexp.quote("bundler-#{Bundler::VERSION}")}/")
    $LOAD_PATH.grep(rx).join(File::PATH_SEPARATOR)
end

.run_bundler(ws, *commandline, bundler_version: ws.config.bundler_version, gem_home: ws.config.gems_gem_home, gemfile: default_gemfile_path(ws)) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 345

def self.run_bundler(ws, *commandline,
    bundler_version: ws.config.bundler_version,
    gem_home: ws.config.gems_gem_home,
    gemfile: default_gemfile_path(ws))
    bundle = Autobuild.programs["bundle"] || default_bundler(ws)

    Autoproj.bundler_with_unbundled_env do
        bundler_version_env =
            if bundler_version
                { "BUNDLER_VERSION" => bundler_version }
            else
                {}
            end
        target_env = Hash[
            "GEM_HOME" => gem_home,
            "GEM_PATH" => nil,
            "BUNDLE_GEMFILE" => gemfile,
            "RUBYOPT" => nil,
            "RUBYLIB" => rubylib_for_bundler,
        ].merge(bundler_version_env)
        ws.run("autoproj", "osdeps",
               bundle, *commandline,
               working_directory: File.dirname(gemfile),
               env: target_env) { |line| yield(line) if block_given? }
    end
end

.run_bundler_install(ws, gemfile, *options, update: true, binstubs: nil, bundler_version: ws.config.bundler_version, gem_home: ws.config.gems_gem_home, gem_path: ws.config.gems_install_path) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 297

def self.run_bundler_install(
    ws, gemfile, *options,
    update: true, binstubs: nil,
    bundler_version: ws.config.bundler_version,
    gem_home: ws.config.gems_gem_home,
    gem_path: ws.config.gems_install_path
)
    FileUtils.rm "#{gemfile}.lock" if update && File.file?("#{gemfile}.lock")

    options << "--path" << gem_path
    options << "--shebang" << Gem.ruby
    options << "--binstubs" << binstubs if binstubs

    apply_build_config(ws)

    connections = Set.new
    run_bundler(ws, "install", *options,
                bundler_version: bundler_version,
                gem_home: gem_home, gemfile: gemfile) do |line|
        case line
        when /Installing (.*)/
            Autobuild.message "  bundler: installing #{$1}"
        when /Fetching.*from (.*)/
            host = $1.gsub(/\.+$/, "")
            unless connections.include?(host)
                Autobuild.message "  bundler: connected to #{host}"
                connections << host
            end
        end
    end
end

Instance Method Details

#backup_clean(mapping) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Remove backups created by #backup_files



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 291

def backup_clean(mapping)
    mapping.each do |_file, backup_file|
        FileUtils.rm backup_file if File.file?(backup_file)
    end
end

#backup_files(mapping) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Create backup files matching a certain file mapping

Parameters:

  • mapping (Hash<String,String>) —

    a mapping from the original file to the file into which it should be backed up. The source file might not exist.



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 269

def backup_files(mapping)
    mapping.each do |file, backup_file|
        FileUtils.cp file, backup_file if File.file?(file)
    end
end

#backup_restore(mapping) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Restore backups saved by #backup_file



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 280

def backup_restore(mapping)
    mapping.each do |file, backup_file|
        FileUtils.cp backup_file, file if File.file?(backup_file)
    end
end

#call_while_empty? ⇒ Boolean

Whether this package manager should be called even if no packages should be installed

This is needed if the installer has ways to get specifications of packages to install through other means than the osdep system, as e.g. Autoproj::PackageManagers::BundlerManager that would install gems listed in autoproj/Gemfile

Returns:

  • (Boolean) 


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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 36

def call_while_empty?
    !workspace_configuration_gemfiles.empty?
end

#create_cache_copy(cache_dir, bundler_cache_dir) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 140

def create_cache_copy(cache_dir, bundler_cache_dir)
    valid = !File.exist?(bundler_cache_dir) ||
            File.directory?(bundler_cache_dir) ||
            File.symlink?(bundler_cache_dir)

    unless valid
        Autoproj.warn "cannot use #{cache_dir} as gem cache as "\
                      "#{bundler_cache_dir} already exists"
        return
    end

    # Gracefully upgrade from the symlinks
    FileUtils.rm_f bundler_cache_dir if File.symlink?(bundler_cache_dir)
    FileUtils.mkdir_p bundler_cache_dir

    Dir.glob(File.join(cache_dir, "*.gem")) do |path_src|
        path_dest = File.join(bundler_cache_dir, File.basename(path_src))
        next if File.exist?(path_dest)

        FileUtils.cp path_src, path_dest
    end
end

#create_cache_symlink(cache_dir, bundler_cache_dir) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 125

def create_cache_symlink(cache_dir, bundler_cache_dir)
    if File.exist?(bundler_cache_dir)
        if !File.symlink?(bundler_cache_dir)
            Autoproj.warn "cannot use #{cache_dir} as gem cache as "\
                          "#{bundler_cache_dir} already exists"
            return
        elsif File.readlink(bundler_cache_dir) == cache_dir
            return
        end
    end

    FileUtils.rm_f bundler_cache_dir
    FileUtils.ln_s cache_dir, bundler_cache_dir
end

#discover_bundle_rubylib(silent_errors: false) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 624

def discover_bundle_rubylib(silent_errors: false)
    require "bundler"
    gemfile = File.join(ws.prefix_dir, "gems", "Gemfile")
    silent_redirect = Hash.new
    silent_redirect[:err] = :close if silent_errors
    env = ws.env.resolved_env
    Tempfile.open "autoproj-rubylib" do |io|
        result = Autoproj.bundler_unbundled_system(
            Hash["GEM_HOME" => env["GEM_HOME"], "GEM_PATH" => env["GEM_PATH"],
                 "BUNDLE_GEMFILE" => gemfile, "RUBYOPT" => nil,
                 "RUBYLIB" => self.class.rubylib_for_bundler],
            Autobuild.tool("ruby"), "-rbundler/setup",
            "-e", "puts $LOAD_PATH",
            out: io, **silent_redirect
        )

        if result
            io.rewind
            io.readlines.map(&:chomp).find_all { |l| !l.empty? }
        end
    end
end

#discover_rubylib ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 603

def discover_rubylib
    require "bundler"
    Tempfile.open "autoproj-rubylib" do |io|
        result = Autoproj.bundler_unbundled_system(
            Hash["RUBYLIB" => nil],
            Autobuild.tool("ruby"), "-e", "puts $LOAD_PATH",
            out: io,
            err: "/dev/null"
        )
        if result
            io.rewind
            io.readlines.map(&:chomp).find_all { |l| !l.empty? }
        end
    end
end

#initialize_environment ⇒ Object

Set up the workspace environment to work with the bundler-managed gems



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 47

def initialize_environment
    env = ws.env

    config = ws.config

    env.add_path "PATH", File.join(ws.prefix_dir, "gems", "bin")
    env.add_path "PATH", File.join(ws.dot_autoproj_dir, "bin")
    env.set "GEM_HOME", config.gems_gem_home
    env.clear "GEM_PATH"
    if (bundler_version = config.bundler_version)
        env.set "BUNDLER_VERSION", bundler_version
    else
        env.clear "BUNDLER_VERSION"
    end

    gemfile_path = File.join(ws.prefix_dir, "gems", "Gemfile")
    env.set("BUNDLE_GEMFILE", gemfile_path) if File.file?(gemfile_path)

    if cache_dir && File.exist?(cache_dir)
        vendor_dir = File.join(File.dirname(gemfile_path), "vendor")
        FileUtils.mkdir_p vendor_dir
        bundler_cache_dir = File.join(vendor_dir, "cache")
        if File.writable?(cache_dir)
            create_cache_symlink(cache_dir, bundler_cache_dir)
        else
            Autoproj.warn "BundlerManager: #{cache_dir} is read-only "\
                          "copying the cache instead of symlinking it"
            create_cache_copy(cache_dir, bundler_cache_dir)
        end
    end

    Autobuild.programs["bundler"] =
        Autobuild.programs["bundle"] =
            File.join(ws.dot_autoproj_dir, "bin", "bundle")

    env.init_from_env "RUBYLIB"
    env.inherit "RUBYLIB"
    # Sanitize the rubylib we get from the environment by removing
    # anything that comes from Gem or Bundler
    original_rubylib =
        (env["RUBYLIB"] || "").split(File::PATH_SEPARATOR).find_all do |p|
            !p.start_with?(Bundler.rubygems.gem_dir) &&
                Bundler.rubygems.gem_path
                       .none? { |gem_p| p.start_with?(gem_p) }
        end

    # And discover the system's rubylib
    if (system_rubylib = discover_rubylib)
        # Do not explicitely add the system rubylib to the
        # environment, the interpreter will do it for us.
        #
        # This allows to use a binstub generated for one of ruby
        # interpreter version on our workspace
        env.system_env["RUBYLIB"] = []
        env.original_env["RUBYLIB"] = (original_rubylib - system_rubylib)
                                      .join(File::PATH_SEPARATOR)
    end

    ws.config.each_reused_autoproj_installation do |p|
        reused_w = ws.new(p)
        env.add_path "PATH", File.join(reused_w.prefix_dir, "gems", "bin")
    end

    prefix_gems = File.join(ws.prefix_dir, "gems")
    FileUtils.mkdir_p prefix_gems
    gemfile = File.join(prefix_gems, "Gemfile")
    unless File.exist?(gemfile)
        Ops.atomic_write(gemfile) do |io|
            dot_autoproj_gemfile = File.join(ws.dot_autoproj_dir, "Gemfile")
            io.puts "eval_gemfile \"#{dot_autoproj_gemfile}\""
        end
    end

    if (bundle_rubylib = discover_bundle_rubylib(silent_errors: true))
        update_env_rubylib(bundle_rubylib, system_rubylib)
    end
end

#install(gems, filter_uptodate_packages: false, install_only: false) ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 513

def install(gems, filter_uptodate_packages: false, install_only: false)
    gemfile_path = self.class.default_gemfile_path(ws)
    root_dir = File.dirname(gemfile_path)
    gemfile_lock_path = "#{gemfile_path}.lock"
    backups = Hash[
        gemfile_path => "#{gemfile_path}.orig",
        gemfile_lock_path => "#{gemfile_lock_path}.orig"
    ]

    # Back up the existing gemfile, we'll restore it if something is
    # wrong to avoid leaving bundler in an inconsistent state
    backup_files(backups)
    unless File.file?("#{gemfile_path}.orig")
        Ops.atomic_write("#{gemfile_path}.orig") do |io|
            dot_autoproj_gemfile = File.join(ws.dot_autoproj_dir, "Gemfile")
            io.puts "eval_gemfile \"#{dot_autoproj_gemfile}\""
        end
    end

    gemfiles = []

    unless gems.empty?
        osdeps_gemfile_io = prepare_osdeps_gemfile(gems)
        gemfiles << osdeps_gemfile_io.path
    end

    gemfiles += workspace_configuration_gemfiles
    # The autoproj gemfile needs to be last, we really don't
    # want to mess it up
    gemfiles << File.join(ws.dot_autoproj_dir, "Gemfile")

    ruby_version = RUBY_VERSION.gsub(/\.\d+$/, ".0")
    gemfile_contents =
        merge_gemfiles(*gemfiles, ruby_version: "~> #{ruby_version}")

    FileUtils.mkdir_p root_dir
    updated = (!File.exist?(gemfile_path) ||
               File.read(gemfile_path) != gemfile_contents)
    if updated
        Ops.atomic_write(gemfile_path) do |io|
            io.puts gemfile_contents
        end
    end

    options = []
    binstubs_path = File.join(root_dir, "bin")
    if updated || !install_only || !File.file?("#{gemfile_path}.lock")
        self.class.run_bundler_install(ws, gemfile_path, *options,
                                       binstubs: binstubs_path)
    end

    if (bundle_rubylib = discover_bundle_rubylib)
        update_env_rubylib(bundle_rubylib)
    else
        raise NotCleanState, "bundler executed successfully, "\
                             "but the result was not in a clean state"
    end
rescue Exception
    Autoproj.warn "saved the new Gemfile in #{gemfile_path}.FAILED "\
                  "and restored the last Gemfile version"
    FileUtils.cp gemfile_path, "#{gemfile_path}.FAILED"
    backup_restore(backups)
    raise
ensure
    if binstubs_path
        FileUtils.rm_f File.join(binstubs_path, "bundle")
        FileUtils.rm_f File.join(binstubs_path, "bundler")
    end
    backup_clean(backups)
end

#merge_gemfiles(*path, ruby_version: nil, unlock: []) ⇒ Object

Parse the contents of a gemfile into a set of



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 373

def merge_gemfiles(*path, ruby_version: nil, unlock: [])
    gems_remotes = Set.new
    dependencies = Hash.new do |h, k|
        h[k] = Hash.new do |i, j|
            i[j] = Hash.new do |a, b|
                a[b] = Array.new
            end
        end
    end
    path.each do |gemfile|
        bundler_def =
            begin Bundler::Dsl.evaluate(gemfile, nil, [])
            rescue Exception => e
                cleaned_message = e
                                  .message
                                  .gsub(/There was an error parsing([^:]+)/,
                                        "Error in gem definitions")
                                  .gsub(/#  from.*/, "")
                raise ConfigError, cleaned_message
            end
        gems_remotes |= bundler_def.send(:sources).rubygems_remotes.to_set
        bundler_def.dependencies.each do |d|
            d.groups.each do |group_name|
                if d.platforms.empty?
                    dependencies[group_name][""][d.name] = d
                else
                    d.platforms.each do |platform_name|
                        dependencies[group_name][platform_name][d.name] = d
                    end
                end
            end
        end
    end

    contents = []
    gems_remotes.each do |g|
        g = g.to_s
        g = g[0..-2] if g.end_with?("/")
        contents << "source '#{g}'"
    end
    if ruby_version
        contents << "ruby \"#{ruby_version}\" if respond_to?(:ruby)"
    end
    valid_keys = %w[group groups git path glob name branch ref tag
                    require submodules platform platforms type
                    source install_if]
    dependencies.each do |group_name, by_platform|
        contents << "group :#{group_name} do"
        by_platform.each do |platform_name, deps|
            deps = deps.values.sort_by(&:name)
            unless platform_name.empty?
                contents << "  platform :#{platform_name} do"
                platform_indent = "  "
            end
            deps.each do |d|
                if d.source
                    options = d.source.options.dup
                    options.delete_if { |k, _| !valid_keys.include?(k) }
                    options = options.map { |k, v| "#{k}: \"#{v}\"" }
                end
                contents << ["  #{platform_indent}gem \"#{d.name}\",
                             \"#{d.requirement}\"", *options].join(", ")
            end
            contents << "  end" unless platform_name.empty?
        end
        contents << "end"
    end
    contents.join("\n")
end

#prepare_osdeps_gemfile(gems) ⇒ File

Prepare a Gemfile that contains osdeps gem declarations

Parameters:

Returns:

  • (File) 


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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 589

def prepare_osdeps_gemfile(gems)
    io = Tempfile.open "autoproj-gemfile"
    io.puts "source \"https://rubygems.org\""
    gems.map { |entry| GemEntry.parse(entry) }
        .sort_by(&:name)
        .each { |entry| io.puts entry.to_gemfile_line }

    io.flush
    io
rescue Exception
    io&.close
    raise
end

#strict? ⇒ Boolean

Whether this package manager needs to maintain a list of all the packages that are needed for the whole installation (true), or needs only to be called with packages to install

OS package managers are generally non-strict (once a package is installed, it’s available to all). Package managers like Autoproj::PackageManagers::BundlerManager are strict as they maintain a list of gems that are then made available to the whole installation

The default is false, reimplement in subclasses to return true

Returns:

  • (Boolean) 


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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 41

def strict?
    true
end

#update_env_rubylib(bundle_rubylib, system_rubylib = discover_rubylib) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Update RUBYLIB to add the gems that are part of the bundler install

Parameters:

  • bundle_rubylib (Array<String>) —

    the rubylib entries reported by bundler

  • system_rubylib (Array<String>) (defaults to: discover_rubylib) —

    the rubylib entries that are set by the underlying ruby interpreter itself



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 252

def update_env_rubylib(bundle_rubylib, system_rubylib = discover_rubylib)
    current = (ws.env.resolved_env["RUBYLIB"] || "")
              .split(File::PATH_SEPARATOR) + system_rubylib
    (bundle_rubylib - current).each do |p|
        ws.env.add_path("RUBYLIB", p)
    end
end

#workspace_configuration_gemfiles ⇒ Object 



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# File 'lib/autoproj/package_managers/bundler_manager.rb', line 443

def workspace_configuration_gemfiles
    gemfiles = []
    ws.manifest.each_package_set do |source|
        pkg_set_gemfile = File.join(source.local_dir, "Gemfile")
        if source.local_dir && File.file?(pkg_set_gemfile)
            gemfiles << pkg_set_gemfile
        end
    end
    # In addition, look into overrides.d
    Dir.glob(File.join(ws.overrides_dir, "*.gemfile")) do |overrides_gemfile|
        gemfiles << overrides_gemfile
    end
    gemfiles
end