more realtime-ish output when humans are watching

cmd.go

@@ -122,14 +122,18 @@ func PathRunLog(path string, argv []string, logf *log.LogFlag) cmd.Status {
 	return s
 }
 
+// uses the 'log' package to disable echo to STDOUT
 // only echos if you enable the shell.INFO log flag
 func PathRunQuiet(pwd string, args []string) cmd.Status {
 	return PathRunLog(pwd, args, INFO)
 }
 
-// absolutely doesn't echo anything
-// bad for now. leaves goroutines running all over the place
-func PathRunQuietBad(pwd string, args []string) cmd.Status {
+// echos twice a second if anything sends to STDOUT or STDERR
+// not great, but it's really just for watching things run in real time anyway
+// TODO: fix \r handling for things like git-clone so the terminal doesn't
+// have to do a \n newline each time.
+// TODO: add timeouts and status of things hanging around forever
+func PathRunRealtime(pwd string, args []string) cmd.Status {
 	// Check if the slice has at least one element (the command name)
 	if len(args) == 0 {
 		var s cmd.Status
@@ -145,7 +149,7 @@ func PathRunQuietBad(pwd string, args []string) cmd.Status {
 	}
 	statusChan := findCmd.Start() // non-blocking
 
-	ticker := time.NewTicker(2 * time.Second)
+	ticker := time.NewTicker(500 * time.Millisecond)
 
 	// this is interesting, maybe useful, but wierd, but neat. interesting even
 	// Print last line of stdout every 2s
@@ -154,8 +158,15 @@ func PathRunQuietBad(pwd string, args []string) cmd.Status {
 			status := findCmd.Status()
 			n := len(status.Stdout)
 			if n != 0 {
-				fmt.Println("todo:removethisecho", status.Stdout[n-1])
-				fmt.Println("status", status.Exit)
+				log.Info(status.Stdout[n-1])
+				// fmt.Printf("status", status.Exit, "complete =", status.Complete)
+			}
+			n = len(status.Stderr)
+			if n != 0 {
+				log.Info(status.Stderr[n-1])
+			}
+			if status.Complete {
+				return
 			}
 		}
 	}()