add -detect flag to just display project types.

go/.gitignore

@@ -1,7 +1,6 @@
.go
qst
test_detect
examples/hello
examples/hello_web

go/qst.go

@@ -34,6 +34,7 @@ var autoRestart = flag.Bool("autorestart", true, "automatically restart after co
var command = flag.String("command", "", "command to run ({file} will be substituted)")
var projectType = flag.String("type", "", "project type to use (autodetected if not present)")
var phase = flag.String("phase", "run", "which phase to run (build, run or test)")
var justDetect = flag.Bool("detect", false, "detect the project type and exit")
func main() {
	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
@@ -58,6 +59,17 @@ func main() {
	file := args[0]
	if *justDetect {
		projects := detect.DetectAll(file)
		if len(projects) == 0 {
			log.Fatal("unkown project type")
		}
		for _, project := range projects {
			fmt.Println(project.Id)
		}
		os.Exit(0)
	}
	var cmd string
	if !flagEmpty(command) {
		cmd = *command

go/test_detect.go

@@ -1,22 +0,0 @@
package main
import (
	"fmt"
	"os"
	"./detect"
)
func main() {
	if len(os.Args) < 2 {
		fmt.Printf("Usage: %s <file>\n", os.Args[0])
		os.Exit(1)
	}
	file := os.Args[1]
	for _, project := range detect.DetectAll(file) {
		runCmd := project.Commands["run"]
		fmt.Printf("%v (%v)\n", project.Id, runCmd)
	}
}