hacky solution to race condition

slideshow.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"bufio"
+	// "bufio"
 	"fmt"
 	"log"
 	"os/exec"
@@ -14,14 +14,15 @@ func slideshow(ch <-chan string) {
 
 	//set a flat background color based on config defaults
 	fillCmd := exec.Command("swaybg", "-c", "#232136")
-	stdout, _ := fillCmd.StdoutPipe()
-	scanner := bufio.NewScanner(stdout)
-	out := make(chan string)
-	go func() {
-		for scanner.Scan() {
-			out <- scanner.Text()
-		}
-	}()
+	// stdout, _ := fillCmd.StdoutPipe()
+	// scanner := bufio.NewScanner(stdout)
+	// out := make(chan string)
+	// go func() {
+	// 	for scanner.Scan() {
+	// 		fmt.Println("scanner: ", scanner.Text())
+	// 		out <- scanner.Text()
+	// 	}
+	// }()
 
 	ready := make(chan bool)
 	go func() {
@@ -29,7 +30,8 @@ func slideshow(ch <-chan string) {
 		if err != nil {
 			fmt.Println("could not set background color", err)
 		}
-		<-out
+		//NOTE: this is *very* hacky, but it is difficult to know when swaybg has initiated
+		time.Sleep(100 * time.Millisecond)
 		ready <- true
 		fmt.Println("bg color set!")
 		fillCmd.Wait()
@@ -38,6 +40,7 @@ func slideshow(ch <-chan string) {
 	var cmd *exec.Cmd
 	go func() {
 		for {
+			<-ready
 			newCmd := setRandomWallpaper(dir)
 			if cmd != nil {
 				err := cmd.Process.Kill()