/* Title: Pure/Admin/isabelle_cronjob.scala
Author: Makarius
Main entry point for administrative cronjob at TUM.
*/
package isabelle
object Isabelle_Cronjob
{
/** file-system state: owned by main cronjob **/
val main_dir = Path.explode("~/cronjob")
val run_dir = main_dir + Path.explode("run")
val log_dir = main_dir + Path.explode("log")
val main_state_file = run_dir + Path.explode("main.state")
val main_log = log_dir + Path.explode("main.log")
/** cronjob **/
def cronjob(progress: Progress)
{
/* log */
val hostname = Isabelle_System.hostname()
def log(date: Date, msg: String)
{
val text = "[" + Build_Log.Log_File.Date_Format(date) + " " + hostname + "]: " + msg
File.append(main_log, text + "\n")
progress.echo(text)
}
/* start */
val start_date = Date.now()
val still_running =
try { Some(File.read(main_state_file)) }
catch { case ERROR(_) => None }
still_running match {
case Some(running) =>
error("Isabelle cronjob appears to be still running: " + running)
case None =>
File.write(main_state_file, start_date + " " + hostname)
log(start_date, "start cronjob")
}
/* end */
val end_date = Date.now()
val elapsed_time = end_date.time - start_date.time
log(end_date, "end cronjob, elapsed time " + elapsed_time.message_hms)
main_state_file.file.delete
}
/** command line entry point **/
def main(args: Array[String])
{
Command_Line.tool0 {
var force = false
var verbose = false
val getopts = Getopts("""
Usage: Admin/cronjob/main [OPTIONS]
Options are:
-f apply force to do anything
-v verbose
""",
"f" -> (_ => force = true),
"v" -> (_ => verbose = true))
val more_args = getopts(args)
if (more_args.nonEmpty) getopts.usage()
val progress = if (verbose) new Console_Progress() else Ignore_Progress
if (force) cronjob(progress)
else error("Need to apply force to do anything")
}
}
}