handle broken links with 'select' command

Related gokcehan#201

app.go

@@ -152,10 +152,10 @@ func (app *app) loop() {
 
 	if gSelect != "" {
 		go func() {
-			stat, err := os.Stat(gSelect)
+			lstat, err := os.Lstat(gSelect)
 			if err != nil {
 				app.ui.exprChan <- &callExpr{"echoerr", []string{err.Error()}, 1}
-			} else if stat.IsDir() {
+			} else if lstat.IsDir() {
 				app.ui.exprChan <- &callExpr{"cd", []string{gSelect}, 1}
 			} else {
 				app.ui.exprChan <- &callExpr{"select", []string{gSelect}, 1}

copy.go

@@ -86,12 +86,12 @@ func copyAll(srcs []string, dstDir string) (nums chan int64, errs chan error) {
 		for _, src := range srcs {
 			dst := filepath.Join(dstDir, filepath.Base(src))
 
-			_, err := os.Stat(dst)
+			_, err := os.Lstat(dst)
 			if !os.IsNotExist(err) {
 				var newPath string
 				for i := 1; !os.IsNotExist(err); i++ {
 					newPath = fmt.Sprintf("%s.~%d~", dst, i)
-					_, err = os.Stat(newPath)
+					_, err = os.Lstat(newPath)
 				}
 				dst = newPath
 			}

eval.go

@@ -712,7 +712,7 @@ func (e *callExpr) eval(app *app, args []string) {
 			app.nav.toggle()
 		} else {
 			for _, path := range e.args {
-				if _, err := os.Stat(path); err == nil {
+				if _, err := os.Lstat(path); err == nil {
 					app.nav.toggleSelection(path)
 				} else {
 					log.Printf("toggle: %s", err)

nav.go

@@ -379,7 +379,7 @@ func (nav *nav) renew() {
 	}
 
 	for m := range nav.selections {
-		if _, err := os.Stat(m); os.IsNotExist(err) {
+		if _, err := os.Lstat(m); os.IsNotExist(err) {
 			delete(nav.selections, m)
 		}
 	}
@@ -732,7 +732,7 @@ func (nav *nav) moveAsync(ui *ui, srcs []string, dstDir string) {
 			var newPath string
 			for i := 1; !os.IsNotExist(err); i++ {
 				newPath = fmt.Sprintf("%s.~%d~", dst, i)
-				_, err = os.Stat(newPath)
+				_, err = os.Lstat(newPath)
 			}
 			dst = newPath
 		}
@@ -914,7 +914,7 @@ func (nav *nav) sel(path string) error {
 	path = replaceTilde(path)
 	path = filepath.Clean(path)
 
-	lstat, err := os.Stat(path)
+	lstat, err := os.Lstat(path)
 	if err != nil {
 		return fmt.Errorf("select: %s", err)
 	}