func()

in ibazel/ibazel.go [281:332]

• 51 lines of code
• 20 McCabe index (conditional complexity)

func (i *IBazel) iteration(command string, commandToRun runnableCommand, targets []string, joinedTargets string) {
	switch i.state {
	case WAIT:
		select {
		case e := <-i.sourceFileWatcher.Events():
			if _, ok := i.filesWatched[i.sourceFileWatcher][e.Name]; ok && e.Op&modifyingEvents != 0 {
				log.Logf("Changed: %q. Rebuilding...", e.Name)
				i.changeDetected(targets, "source", e.Name)
				i.state = DEBOUNCE_RUN
			}
		case e := <-i.buildFileWatcher.Events():
			if _, ok := i.filesWatched[i.buildFileWatcher][e.Name]; ok && e.Op&modifyingEvents != 0 {
				log.Logf("Build graph changed: %q. Requerying...", e.Name)
				i.changeDetected(targets, "graph", e.Name)
				i.state = DEBOUNCE_QUERY
			}
		}
	case DEBOUNCE_QUERY:
		select {
		case e := <-i.buildFileWatcher.Events():
			if _, ok := i.filesWatched[i.buildFileWatcher][e.Name]; ok && e.Op&modifyingEvents != 0 {
				i.changeDetected(targets, "graph", e.Name)
			}
			i.state = DEBOUNCE_QUERY
		case <-time.After(i.debounceDuration):
			i.state = QUERY
		}
	case QUERY:
		// Query for which files to watch.
		log.Logf("Querying for files to watch...")
		i.watchFiles(fmt.Sprintf(buildQuery, joinedTargets), i.buildFileWatcher)
		i.watchFiles(fmt.Sprintf(sourceQuery, joinedTargets), i.sourceFileWatcher)
		i.state = RUN
	case DEBOUNCE_RUN:
		select {
		case e := <-i.sourceFileWatcher.Events():
			if _, ok := i.filesWatched[i.sourceFileWatcher][e.Name]; ok && e.Op&modifyingEvents != 0 {
				i.changeDetected(targets, "source", e.Name)
			}
			i.state = DEBOUNCE_RUN
		case <-time.After(i.debounceDuration):
			i.state = RUN
		}
	case RUN:
		log.Logf("%s %s", strings.Title(verb(command)), joinedTargets)
		i.beforeCommand(targets, command)
		outputBuffer, err := commandToRun(targets...)
		i.interruptCount = 0
		i.afterCommand(targets, command, err == nil, outputBuffer)
		i.state = WAIT
	}
}