src/Pure/Tools/build.scala
author wenzelm
Sat Apr 08 20:56:41 2017 +0200 (2017-04-08)
changeset 65441 9425e4d8bdb6
parent 65432 d938705819bb
child 65456 31e8a86971a8
permissions -rw-r--r--
more session_base information in ML;
tuned signature;
     1 /*  Title:      Pure/Tools/build.scala
     2     Author:     Makarius
     3     Options:    :folding=explicit:
     4 
     5 Build and manage Isabelle sessions.
     6 */
     7 
     8 package isabelle
     9 
    10 
    11 import java.io.{BufferedInputStream, FileInputStream,
    12   BufferedReader, InputStreamReader, IOException}
    13 import java.util.zip.GZIPInputStream
    14 
    15 import scala.collection.SortedSet
    16 import scala.collection.mutable
    17 import scala.annotation.tailrec
    18 
    19 
    20 object Build
    21 {
    22   /** auxiliary **/
    23 
    24   /* persistent build info */
    25 
    26   sealed case class Session_Info(
    27     sources: List[String],
    28     input_heaps: List[String],
    29     output_heap: Option[String],
    30     return_code: Int)
    31 
    32 
    33   /* queue with scheduling information */
    34 
    35   private object Queue
    36   {
    37     def load_timings(store: Sessions.Store, name: String): (List[Properties.T], Double) =
    38     {
    39       val no_timings: (List[Properties.T], Double) = (Nil, 0.0)
    40 
    41       store.find_database(name) match {
    42         case None => no_timings
    43         case Some(database) =>
    44           def ignore_error(msg: String) =
    45           {
    46             Output.warning("Ignoring bad database: " +
    47               database.expand + (if (msg == "") "" else "\n" + msg))
    48             no_timings
    49           }
    50           try {
    51             using(SQLite.open_database(database))(db =>
    52             {
    53               val build_log = store.read_build_log(db, name, command_timings = true)
    54               val session_timing = Markup.Elapsed.unapply(build_log.session_timing) getOrElse 0.0
    55               (build_log.command_timings, session_timing)
    56             })
    57           }
    58           catch {
    59             case ERROR(msg) => ignore_error(msg)
    60             case exn: java.lang.Error => ignore_error(Exn.message(exn))
    61             case _: XML.Error => ignore_error("")
    62           }
    63       }
    64     }
    65 
    66     def apply(sessions: Sessions.T, store: Sessions.Store): Queue =
    67     {
    68       val graph = sessions.build_graph
    69       val names = graph.keys
    70 
    71       val timings = names.map(name => (name, load_timings(store, name)))
    72       val command_timings =
    73         Map(timings.map({ case (name, (ts, _)) => (name, ts) }): _*).withDefaultValue(Nil)
    74       val session_timing =
    75         Map(timings.map({ case (name, (_, t)) => (name, t) }): _*).withDefaultValue(0.0)
    76 
    77       def outdegree(name: String): Int = graph.imm_succs(name).size
    78 
    79       object Ordering extends scala.math.Ordering[String]
    80       {
    81         def compare_timing(name1: String, name2: String): Int =
    82         {
    83           val t1 = session_timing(name1)
    84           val t2 = session_timing(name2)
    85           if (t1 == 0.0 || t2 == 0.0) 0
    86           else t1 compare t2
    87         }
    88 
    89         def compare(name1: String, name2: String): Int =
    90           outdegree(name2) compare outdegree(name1) match {
    91             case 0 =>
    92               compare_timing(name2, name1) match {
    93                 case 0 =>
    94                   sessions(name2).timeout compare sessions(name1).timeout match {
    95                     case 0 => name1 compare name2
    96                     case ord => ord
    97                   }
    98                 case ord => ord
    99               }
   100             case ord => ord
   101           }
   102       }
   103 
   104       new Queue(graph, SortedSet(names: _*)(Ordering), command_timings)
   105     }
   106   }
   107 
   108   private class Queue(
   109     graph: Graph[String, Sessions.Info],
   110     order: SortedSet[String],
   111     val command_timings: String => List[Properties.T])
   112   {
   113     def is_inner(name: String): Boolean = !graph.is_maximal(name)
   114 
   115     def is_empty: Boolean = graph.is_empty
   116 
   117     def - (name: String): Queue =
   118       new Queue(graph.del_node(name),
   119         order - name,  // FIXME scala-2.10.0 TreeSet problem!?
   120         command_timings)
   121 
   122     def dequeue(skip: String => Boolean): Option[(String, Sessions.Info)] =
   123     {
   124       val it = order.iterator.dropWhile(name =>
   125         skip(name)
   126           || !graph.defined(name)  // FIXME scala-2.10.0 TreeSet problem!?
   127           || !graph.is_minimal(name))
   128       if (it.hasNext) { val name = it.next; Some((name, graph.get_node(name))) }
   129       else None
   130     }
   131   }
   132 
   133 
   134   /* PIDE protocol handler */
   135 
   136   class Handler(progress: Progress, session: Session, session_name: String)
   137     extends Session.Protocol_Handler
   138   {
   139     val result_error: Promise[String] = Future.promise
   140 
   141     override def exit() { result_error.cancel }
   142 
   143     private def build_session_finished(msg: Prover.Protocol_Output): Boolean =
   144     {
   145       val error_message =
   146         try { Pretty.string_of(Symbol.decode_yxml(msg.text)) }
   147         catch { case ERROR(msg) => msg }
   148       result_error.fulfill(error_message)
   149       session.send_stop()
   150       true
   151     }
   152 
   153     private def loading_theory(msg: Prover.Protocol_Output): Boolean =
   154       msg.properties match {
   155         case Markup.Loading_Theory(name) =>
   156           progress.theory(session_name, name)
   157           true
   158         case _ => false
   159       }
   160 
   161     val functions =
   162       List(
   163         Markup.BUILD_SESSION_FINISHED -> build_session_finished _,
   164         Markup.LOADING_THEORY -> loading_theory _)
   165   }
   166 
   167 
   168   /* job: running prover process */
   169 
   170   private class Job(progress: Progress,
   171     name: String,
   172     val info: Sessions.Info,
   173     sessions: Sessions.T,
   174     deps: Sessions.Deps,
   175     store: Sessions.Store,
   176     do_output: Boolean,
   177     verbose: Boolean,
   178     pide: Boolean,
   179     val numa_node: Option[Int],
   180     command_timings: List[Properties.T])
   181   {
   182     val output = store.output_dir + Path.basic(name)
   183     def output_path: Option[Path] = if (do_output) Some(output) else None
   184     output.file.delete
   185 
   186     val options =
   187       numa_node match {
   188         case None => info.options
   189         case Some(n) => info.options.string("ML_process_policy") = NUMA.policy(n)
   190       }
   191 
   192     private val graph_file = Isabelle_System.tmp_file("session_graph", "pdf")
   193     try { isabelle.graphview.Graph_File.write(options, graph_file, deps(name).session_graph) }
   194     catch { case ERROR(_) => /*error should be exposed in ML*/ }
   195 
   196     private val future_result: Future[Process_Result] =
   197       Future.thread("build") {
   198         val parent = info.parent.getOrElse("")
   199         val base = deps(name)
   200         val args_yxml =
   201           YXML.string_of_body(
   202             {
   203               import XML.Encode._
   204               pair(list(pair(string, int)), pair(list(properties), pair(bool, pair(bool,
   205                 pair(Path.encode, pair(list(pair(Path.encode, Path.encode)), pair(string,
   206                 pair(string, pair(string, pair(string, pair(Path.encode,
   207                 pair(list(pair(Options.encode, list(string))),
   208                 pair(list(string),
   209                 pair(list(pair(string, string)), list(pair(string, string))))))))))))))))(
   210               (Symbol.codes, (command_timings, (do_output, (verbose,
   211                 (store.browser_info, (info.document_files, (File.standard_path(graph_file),
   212                 (parent, (info.chapter, (name, (Path.current,
   213                 (info.theories,
   214                 (base.global_theories.toList,
   215                 (base.dest_loaded_theories, base.dest_known_theories)))))))))))))))
   216             })
   217 
   218         val env =
   219           Isabelle_System.settings() +
   220             ("ISABELLE_ML_DEBUGGER" -> options.bool("ML_debugger").toString)
   221 
   222         def save_heap: String =
   223           "ML_Heap.share_common_data (); ML_Heap.save_child " +
   224             ML_Syntax.print_string0(File.platform_path(output))
   225 
   226         if (pide && !Sessions.is_pure(name)) {
   227           val resources = new Resources(deps(parent), default_qualifier = name)
   228           val session = new Session(options, resources)
   229           val handler = new Handler(progress, session, name)
   230           session.init_protocol_handler(handler)
   231 
   232           val session_result = Future.promise[Process_Result]
   233 
   234           Isabelle_Process.start(session, options, logic = parent,
   235             cwd = info.dir.file, env = env, sessions = Some(sessions), store = store,
   236             phase_changed =
   237             {
   238               case Session.Ready => session.protocol_command("build_session", args_yxml)
   239               case Session.Terminated(result) => session_result.fulfill(result)
   240               case _ =>
   241             })
   242 
   243           val result = session_result.join
   244           handler.result_error.join match {
   245             case "" => result
   246             case msg =>
   247               result.copy(
   248                 rc = result.rc max 1,
   249                 out_lines = result.out_lines ::: split_lines(Output.error_text(msg)))
   250           }
   251         }
   252         else {
   253           val args_file = Isabelle_System.tmp_file("build")
   254           File.write(args_file, args_yxml)
   255 
   256           val eval =
   257             "Command_Line.tool0 (fn () => (" +
   258             "Build.build " + ML_Syntax.print_string0(File.standard_path(args_file)) +
   259             (if (do_output) "; " + save_heap else "") + "));"
   260 
   261           val process =
   262             if (Sessions.is_pure(name)) {
   263               ML_Process(options, raw_ml_system = true, cwd = info.dir.file,
   264                 args =
   265                   (for ((root, _) <- Thy_Header.ml_roots) yield List("--use", root)).flatten :::
   266                   List("--eval", eval),
   267                 env = env, sessions = Some(sessions), store = store,
   268                 cleanup = () => args_file.delete)
   269             }
   270             else {
   271               ML_Process(options, parent, List("--eval", eval), cwd = info.dir.file,
   272                 env = env, sessions = Some(sessions), store = store,
   273                 cleanup = () => args_file.delete)
   274             }
   275 
   276           process.result(
   277             progress_stdout = (line: String) =>
   278               Library.try_unprefix("\floading_theory = ", line) match {
   279                 case Some(theory) => progress.theory(name, theory)
   280                 case None =>
   281               },
   282             progress_limit =
   283               options.int("process_output_limit") match {
   284                 case 0 => None
   285                 case m => Some(m * 1000000L)
   286               },
   287             strict = false)
   288         }
   289       }
   290 
   291     def terminate: Unit = future_result.cancel
   292     def is_finished: Boolean = future_result.is_finished
   293 
   294     @volatile private var was_timeout = false
   295     private val timeout_request: Option[Event_Timer.Request] =
   296     {
   297       if (info.timeout > Time.zero)
   298         Some(Event_Timer.request(Time.now() + info.timeout) { terminate; was_timeout = true })
   299       else None
   300     }
   301 
   302     def join: Process_Result =
   303     {
   304       val result = future_result.join
   305 
   306       if (result.ok)
   307         Present.finish(progress, store.browser_info, graph_file, info, name)
   308 
   309       graph_file.delete
   310       timeout_request.foreach(_.cancel)
   311 
   312       if (result.interrupted) {
   313         if (was_timeout) result.error(Output.error_text("Timeout")).was_timeout
   314         else result.error(Output.error_text("Interrupt"))
   315       }
   316       else result
   317     }
   318   }
   319 
   320 
   321 
   322   /** build with results **/
   323 
   324   class Results private[Build](results: Map[String, (Option[Process_Result], Sessions.Info)])
   325   {
   326     def sessions: Set[String] = results.keySet
   327     def cancelled(name: String): Boolean = results(name)._1.isEmpty
   328     def apply(name: String): Process_Result = results(name)._1.getOrElse(Process_Result(1))
   329     def info(name: String): Sessions.Info = results(name)._2
   330     val rc =
   331       (0 /: results.iterator.map(
   332         { case (_, (Some(r), _)) => r.rc case (_, (None, _)) => 1 }))(_ max _)
   333     def ok: Boolean = rc == 0
   334 
   335     override def toString: String = rc.toString
   336   }
   337 
   338   def build(
   339     options: Options,
   340     progress: Progress = No_Progress,
   341     build_heap: Boolean = false,
   342     clean_build: Boolean = false,
   343     dirs: List[Path] = Nil,
   344     select_dirs: List[Path] = Nil,
   345     numa_shuffling: Boolean = false,
   346     max_jobs: Int = 1,
   347     list_files: Boolean = false,
   348     check_keywords: Set[String] = Set.empty,
   349     no_build: Boolean = false,
   350     system_mode: Boolean = false,
   351     verbose: Boolean = false,
   352     pide: Boolean = false,
   353     requirements: Boolean = false,
   354     all_sessions: Boolean = false,
   355     exclude_session_groups: List[String] = Nil,
   356     exclude_sessions: List[String] = Nil,
   357     session_groups: List[String] = Nil,
   358     sessions: List[String] = Nil,
   359     selection: Sessions.Selection = Sessions.Selection.empty): Results =
   360   {
   361     /* session selection and dependencies */
   362 
   363     val build_options = options.int.update("completion_limit", 0).bool.update("ML_statistics", true)
   364 
   365     val full_sessions = Sessions.load(build_options, dirs, select_dirs)
   366 
   367     val (selected, selected_sessions) =
   368       full_sessions.selection(
   369           Sessions.Selection(requirements, all_sessions, exclude_session_groups,
   370             exclude_sessions, session_groups, sessions) + selection)
   371 
   372     val deps =
   373       Sessions.deps(selected_sessions, progress = progress, inlined_files = true,
   374         verbose = verbose, list_files = list_files, check_keywords = check_keywords,
   375         global_theories = full_sessions.global_theories)
   376 
   377     def sources_stamp(name: String): List[String] =
   378       (selected_sessions(name).meta_digest :: deps.sources(name)).map(_.toString).sorted
   379 
   380 
   381     /* main build process */
   382 
   383     val store = Sessions.store(system_mode)
   384     val queue = Queue(selected_sessions, store)
   385 
   386     store.prepare_output()
   387 
   388     // optional cleanup
   389     if (clean_build) {
   390       for (name <- full_sessions.build_descendants(selected)) {
   391         val files =
   392           List(Path.basic(name), store.database(name), store.log(name), store.log_gz(name)).
   393             map(store.output_dir + _).filter(_.is_file)
   394         if (files.nonEmpty) progress.echo("Cleaning " + name + " ...")
   395         if (!files.forall(p => p.file.delete)) progress.echo(name + " FAILED to delete")
   396       }
   397     }
   398 
   399     // scheduler loop
   400     case class Result(
   401       current: Boolean, heap_stamp: Option[String],
   402       process: Option[Process_Result], info: Sessions.Info)
   403     {
   404       def ok: Boolean =
   405         process match {
   406           case None => false
   407           case Some(res) => res.rc == 0
   408         }
   409     }
   410 
   411     def sleep()
   412     {
   413       try { Thread.sleep(500) }
   414       catch { case Exn.Interrupt() => Exn.Interrupt.impose() }
   415     }
   416 
   417     val numa_nodes = new NUMA.Nodes(numa_shuffling)
   418 
   419     @tailrec def loop(
   420       pending: Queue,
   421       running: Map[String, (List[String], Job)],
   422       results: Map[String, Result]): Map[String, Result] =
   423     {
   424       def used_node(i: Int): Boolean =
   425         running.iterator.exists(
   426           { case (_, (_, job)) => job.numa_node.isDefined && job.numa_node.get == i })
   427 
   428       if (pending.is_empty) results
   429       else {
   430         if (progress.stopped)
   431           for ((_, (_, job)) <- running) job.terminate
   432 
   433         running.find({ case (_, (_, job)) => job.is_finished }) match {
   434           case Some((name, (input_heaps, job))) =>
   435             //{{{ finish job
   436 
   437             val process_result = job.join
   438             process_result.err_lines.foreach(progress.echo(_))
   439             if (process_result.ok)
   440               progress.echo("Finished " + name + " (" + process_result.timing.message_resources + ")")
   441 
   442             val log_lines = process_result.out_lines.filterNot(_.startsWith("\f"))
   443             val process_result_tail =
   444             {
   445               val tail = job.info.options.int("process_output_tail")
   446               process_result.copy(
   447                 out_lines =
   448                   "(see also " + (store.output_dir + store.log(name)).file.toString + ")" ::
   449                   (if (tail == 0) log_lines else log_lines.drop(log_lines.length - tail max 0)))
   450             }
   451 
   452             val heap_stamp =
   453               if (process_result.ok) {
   454                 (store.output_dir + store.log(name)).file.delete
   455                 val heap_stamp =
   456                   for (path <- job.output_path if path.is_file)
   457                     yield Sessions.write_heap_digest(path)
   458 
   459                 File.write_gzip(store.output_dir + store.log_gz(name), terminate_lines(log_lines))
   460 
   461                 heap_stamp
   462               }
   463               else {
   464                 (store.output_dir + Path.basic(name)).file.delete
   465                 (store.output_dir + store.log_gz(name)).file.delete
   466 
   467                 File.write(store.output_dir + store.log(name), terminate_lines(log_lines))
   468                 progress.echo(name + " FAILED")
   469                 if (!process_result.interrupted) progress.echo(process_result_tail.out)
   470 
   471                 None
   472               }
   473 
   474             // write database
   475             {
   476               val database = store.output_dir + store.database(name)
   477               database.file.delete
   478 
   479               using(SQLite.open_database(database))(db =>
   480                 store.write_session_info(db, name,
   481                   build_log =
   482                     Build_Log.Log_File(name, process_result.out_lines).
   483                       parse_session_info(
   484                         command_timings = true, ml_statistics = true, task_statistics = true),
   485                   build =
   486                     Session_Info(sources_stamp(name), input_heaps, heap_stamp, process_result.rc)))
   487             }
   488 
   489             loop(pending - name, running - name,
   490               results + (name -> Result(false, heap_stamp, Some(process_result_tail), job.info)))
   491             //}}}
   492           case None if running.size < (max_jobs max 1) =>
   493             //{{{ check/start next job
   494             pending.dequeue(running.isDefinedAt(_)) match {
   495               case Some((name, info)) =>
   496                 val ancestor_results = selected_sessions.build_ancestors(name).map(results(_))
   497                 val ancestor_heaps = ancestor_results.flatMap(_.heap_stamp)
   498 
   499                 val do_output = build_heap || Sessions.is_pure(name) || queue.is_inner(name)
   500 
   501                 val (current, heap_stamp) =
   502                 {
   503                   store.find_database_heap(name) match {
   504                     case Some((database, heap_stamp)) =>
   505                       using(SQLite.open_database(database))(store.read_build(_, name)) match {
   506                         case Some(build) =>
   507                           val current =
   508                             build.sources == sources_stamp(name) &&
   509                             build.input_heaps == ancestor_heaps &&
   510                             build.output_heap == heap_stamp &&
   511                             !(do_output && heap_stamp.isEmpty) &&
   512                             build.return_code == 0
   513                           (current, heap_stamp)
   514                         case None => (false, None)
   515                       }
   516                     case None => (false, None)
   517                   }
   518                 }
   519                 val all_current = current && ancestor_results.forall(_.current)
   520 
   521                 if (all_current)
   522                   loop(pending - name, running,
   523                     results + (name -> Result(true, heap_stamp, Some(Process_Result(0)), info)))
   524                 else if (no_build) {
   525                   if (verbose) progress.echo("Skipping " + name + " ...")
   526                   loop(pending - name, running,
   527                     results + (name -> Result(false, heap_stamp, Some(Process_Result(1)), info)))
   528                 }
   529                 else if (ancestor_results.forall(_.ok) && !progress.stopped) {
   530                   val numa_node = numa_nodes.next(used_node(_))
   531                   progress.echo((if (do_output) "Building " else "Running ") + name + " ...")
   532                   val job =
   533                     new Job(progress, name, info, selected_sessions, deps, store, do_output,
   534                       verbose, pide, numa_node, queue.command_timings(name))
   535                   loop(pending, running + (name -> (ancestor_heaps, job)), results)
   536                 }
   537                 else {
   538                   progress.echo(name + " CANCELLED")
   539                   loop(pending - name, running,
   540                     results + (name -> Result(false, heap_stamp, None, info)))
   541                 }
   542               case None => sleep(); loop(pending, running, results)
   543             }
   544             ///}}}
   545           case None => sleep(); loop(pending, running, results)
   546         }
   547       }
   548     }
   549 
   550 
   551     /* build results */
   552 
   553     val results0 =
   554       if (deps.is_empty) {
   555         progress.echo(Output.warning_text("Nothing to build"))
   556         Map.empty[String, Result]
   557       }
   558       else loop(queue, Map.empty, Map.empty)
   559 
   560     val results =
   561       new Results(
   562         (for ((name, result) <- results0.iterator)
   563           yield (name, (result.process, result.info))).toMap)
   564 
   565     if (results.rc != 0 && (verbose || !no_build)) {
   566       val unfinished =
   567         (for {
   568           name <- results.sessions.iterator
   569           if !results(name).ok
   570          } yield name).toList.sorted
   571       progress.echo("Unfinished session(s): " + commas(unfinished))
   572     }
   573 
   574 
   575     /* global browser info */
   576 
   577     if (!no_build) {
   578       val browser_chapters =
   579         (for {
   580           (name, result) <- results0.iterator
   581           if result.ok
   582           info = full_sessions(name)
   583           if info.options.bool("browser_info")
   584         } yield (info.chapter, (name, info.description))).toList.groupBy(_._1).
   585             map({ case (chapter, es) => (chapter, es.map(_._2)) }).filterNot(_._2.isEmpty)
   586 
   587       for ((chapter, entries) <- browser_chapters)
   588         Present.update_chapter_index(store.browser_info, chapter, entries)
   589 
   590       if (browser_chapters.nonEmpty) Present.make_global_index(store.browser_info)
   591     }
   592 
   593     results
   594   }
   595 
   596 
   597   /* Isabelle tool wrapper */
   598 
   599   val isabelle_tool = Isabelle_Tool("build", "build and manage Isabelle sessions", args =>
   600   {
   601     val build_options = Word.explode(Isabelle_System.getenv("ISABELLE_BUILD_OPTIONS"))
   602 
   603     var select_dirs: List[Path] = Nil
   604     var numa_shuffling = false
   605     var pide = false
   606     var requirements = false
   607     var exclude_session_groups: List[String] = Nil
   608     var all_sessions = false
   609     var build_heap = false
   610     var clean_build = false
   611     var dirs: List[Path] = Nil
   612     var session_groups: List[String] = Nil
   613     var max_jobs = 1
   614     var check_keywords: Set[String] = Set.empty
   615     var list_files = false
   616     var no_build = false
   617     var options = (Options.init() /: build_options)(_ + _)
   618     var system_mode = false
   619     var verbose = false
   620     var exclude_sessions: List[String] = Nil
   621 
   622     val getopts = Getopts("""
   623 Usage: isabelle build [OPTIONS] [SESSIONS ...]
   624 
   625   Options are:
   626     -D DIR       include session directory and select its sessions
   627     -N           cyclic shuffling of NUMA CPU nodes (performance tuning)
   628     -P           build via PIDE protocol
   629     -R           operate on requirements of selected sessions
   630     -X NAME      exclude sessions from group NAME and all descendants
   631     -a           select all sessions
   632     -b           build heap images
   633     -c           clean build
   634     -d DIR       include session directory
   635     -g NAME      select session group NAME
   636     -j INT       maximum number of parallel jobs (default 1)
   637     -k KEYWORD   check theory sources for conflicts with proposed keywords
   638     -l           list session source files
   639     -n           no build -- test dependencies only
   640     -o OPTION    override Isabelle system OPTION (via NAME=VAL or NAME)
   641     -s           system build mode: produce output in ISABELLE_HOME
   642     -v           verbose
   643     -x NAME      exclude session NAME and all descendants
   644 
   645   Build and manage Isabelle sessions, depending on implicit settings:
   646 
   647 """ + Library.prefix_lines("  ", Build_Log.Settings.show()) + "\n",
   648       "D:" -> (arg => select_dirs = select_dirs ::: List(Path.explode(arg))),
   649       "N" -> (_ => numa_shuffling = true),
   650       "P" -> (_ => pide = true),
   651       "R" -> (_ => requirements = true),
   652       "X:" -> (arg => exclude_session_groups = exclude_session_groups ::: List(arg)),
   653       "a" -> (_ => all_sessions = true),
   654       "b" -> (_ => build_heap = true),
   655       "c" -> (_ => clean_build = true),
   656       "d:" -> (arg => dirs = dirs ::: List(Path.explode(arg))),
   657       "g:" -> (arg => session_groups = session_groups ::: List(arg)),
   658       "j:" -> (arg => max_jobs = Value.Int.parse(arg)),
   659       "k:" -> (arg => check_keywords = check_keywords + arg),
   660       "l" -> (_ => list_files = true),
   661       "n" -> (_ => no_build = true),
   662       "o:" -> (arg => options = options + arg),
   663       "s" -> (_ => system_mode = true),
   664       "v" -> (_ => verbose = true),
   665       "x:" -> (arg => exclude_sessions = exclude_sessions ::: List(arg)))
   666 
   667     val sessions = getopts(args)
   668 
   669     val progress = new Console_Progress(verbose = verbose)
   670 
   671     val start_date = Date.now()
   672 
   673     if (verbose) {
   674       progress.echo(
   675         "Started at " + Build_Log.print_date(start_date) +
   676           " (" + Isabelle_System.getenv("ML_IDENTIFIER") + " on " + Isabelle_System.hostname() +")")
   677       progress.echo(Build_Log.Settings.show() + "\n")
   678     }
   679 
   680     val results =
   681       progress.interrupt_handler {
   682         build(options, progress,
   683           build_heap = build_heap,
   684           clean_build = clean_build,
   685           dirs = dirs,
   686           select_dirs = select_dirs,
   687           numa_shuffling = NUMA.enabled_warning(numa_shuffling),
   688           max_jobs = max_jobs,
   689           list_files = list_files,
   690           check_keywords = check_keywords,
   691           no_build = no_build,
   692           system_mode = system_mode,
   693           verbose = verbose,
   694           pide = pide,
   695           requirements = requirements,
   696           all_sessions = all_sessions,
   697           exclude_session_groups = exclude_session_groups,
   698           exclude_sessions = exclude_sessions,
   699           session_groups = session_groups,
   700           sessions = sessions)
   701       }
   702     val end_date = Date.now()
   703     val elapsed_time = end_date.time - start_date.time
   704 
   705     if (verbose) {
   706       progress.echo("\nFinished at " + Build_Log.print_date(end_date))
   707     }
   708 
   709     val total_timing =
   710       (Timing.zero /: results.sessions.iterator.map(a => results(a).timing))(_ + _).
   711         copy(elapsed = elapsed_time)
   712     progress.echo(total_timing.message_resources)
   713 
   714     sys.exit(results.rc)
   715   })
   716 }