// Watch accepts a set of paths starting a recursive file watcher
func Watch(cmd *cobra.Command, paths []string) {
pMap, gba := globalRun(paths)
var err error
bOpts := wt.NewBuild(paths, gba, pMap)
err = bOpts.Run()
if err != nil {
log.Fatal(err)
}
w, err := wt.NewWatcher(&wt.WatchOptions{
Paths: paths,
BArgs: gba,
PartialMap: pMap,
})
if err != nil {
log.Fatal("failed to start watcher: ", err)
}
err = w.Watch()
if err != nil {
log.Fatal("filewatcher error: ", err)
}
fmt.Println("File watcher started use `ctrl+d` to exit")
in := bufio.NewReader(os.Stdin)
for {
_, err := in.ReadString(' ')
if err != nil {
if err == io.EOF {
os.Exit(0)
}
fmt.Println("error", err)
}
}
}
// Run is the main entrypoint for the cli.
func run(paths []string, pMap *wt.SafePartialMap, gba *wt.BuildArgs) {
// No paths given, read from stdin and wait
if len(paths) == 0 {
log.Println("Reading from stdin, -h for help")
out := os.Stdout
in := os.Stdin
comp, err := wt.FromBuildArgs(out, nil, in, gba)
if err != nil {
log.Fatal(err)
}
err = comp.Run()
if err != nil {
color.Red(err.Error())
}
return
}
bOpts := wt.NewBuild(paths, gba, pMap)
err := bOpts.Run()
if err != nil {
log.Fatal(err)
}
// FIXME: move this to a Payload.Close() method
// Before shutting down, check that every sprite has been
// flushed to disk.
img := sync.WaitGroup{}
pMap.RLock()
// It's not currently possible to wait on Image. This is often
// to inline images, so it shouldn't be a factor...
// for _, s := range gba.Payload.Image().M {
// img.Add(1)
// err := s.Wait()
// img.Done()
// if err != nil {
// log.Printf("error writing image: %s\n", err)
// }
// }
sprites := payload.Sprite(gba.Payload)
sprites.ForEach(func(k string, sprite *spritewell.Sprite) {
img.Add(1)
err := sprite.Wait()
img.Done()
if err != nil {
log.Printf("error writing sprite: %s\n", err)
}
})
img.Wait()
pMap.RUnlock()
}
func main() {
sassFile := "../../test/sass/file.scss"
tdir, _ := ioutil.TempDir("basic", "")
args := &wellington.BuildArgs{}
args.BuildDir = tdir
pmap := wellington.NewPartialMap()
wg := sync.WaitGroup{}
for i := 0; i < 1000; i++ {
wg.Add(1)
go func() {
defer wg.Done()
b := wellington.NewBuild([]string{sassFile}, args, pmap)
err := b.Run()
if err != nil {
log.Println(i, err)
}
}()
fmt.Println(i)
}
wg.Wait()
}