Class: Autoproj::CLI::Exec

Inherits:
Object
  • Object
show all
Defined in:
lib/autoproj/cli/exec.rb

Constant Summary collapse

PACKAGE_ROOT_PATH_RX =
/^(srcdir|builddir|prefix):(.*)$/

Instance Method Summary collapse

Constructor Details

#initializeExec

Returns a new instance of Exec.



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# File 'lib/autoproj/cli/exec.rb', line 9

def initialize
    @root_dir = Autoproj.find_workspace_dir
    unless @root_dir
        require "autoproj/workspace"
        # Will do all sorts of error reporting,
        # or may be able to resolve
        @root_dir = Workspace.default.root_dir
    end
end

Instance Method Details

#load_cached_envObject



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# File 'lib/autoproj/cli/exec.rb', line 19

def load_cached_env
    env = Ops.load_cached_env(@root_dir)
    return unless env

    Autobuild::Environment
        .environment_from_export(env, ENV)
end

#resolve_package_root_path(package, manifest) ⇒ Object



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# File 'lib/autoproj/cli/exec.rb', line 34

def resolve_package_root_path(package, manifest)
    if (m = PACKAGE_ROOT_PATH_RX.match(package))
        kind = m[1]
        name = m[2]
    else
        kind = "srcdir"
        name = package
    end

    unless (pkg = manifest.find_package_by_name(name))
        raise ArgumentError, "no package #{name} in this workspace"
    end

    unless (dir = pkg.send(kind))
        raise CLIInvalidArguments, "package #{pkg.name} has no #{kind}"
    end

    dir
end

#run(cmd, *args, use_cached_env: Ops.watch_running?(@root_dir), interactive: nil, package: nil, chdir: nil) ⇒ Object



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# File 'lib/autoproj/cli/exec.rb', line 54

def run(
    cmd, *args,
    use_cached_env: Ops.watch_running?(@root_dir),
    interactive: nil,
    package: nil, chdir: nil
)
    env = load_cached_env if use_cached_env
    manifest = try_loading_installation_manifest if use_cached_env

    if !env || (package && !manifest)
        require "autoproj"
        require "autoproj/cli/inspection_tool"
        ws = Workspace.from_dir(@root_dir)
        ws.config.interactive = interactive unless interactive.nil?
        loader = InspectionTool.new(ws)
        loader.initialize_and_load(read_only: true)
        loader.finalize_setup(read_only: true)
        env = ws.full_env.resolved_env
        manifest = ws.installation_manifest if package
    end

    root_path = resolve_package_root_path(package, manifest) if package
    chdir ||= root_path
    if chdir
        chdir = File.expand_path(chdir, root_path)
        chdir_kw = { chdir: chdir }
    end

    path = env["PATH"].split(File::PATH_SEPARATOR)
    program =
        begin Ops.which(cmd, path_entries: [chdir, *path].compact)
        rescue ::Exception => e
            require "autoproj"
            raise CLIInvalidArguments, e.message, e.backtrace
        end

    begin
        ::Process.exec(env, program, *args, **(chdir_kw || {}))
    rescue ::Exception => e
        require "autoproj"
        raise CLIInvalidArguments, e.message, e.backtrace
    end
end

#try_loading_installation_manifestObject



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# File 'lib/autoproj/cli/exec.rb', line 27

def try_loading_installation_manifest
    Autoproj::InstallationManifest.from_workspace_root(@root_dir)
rescue
end