export color palette before setting the background image

internal/slideshow/palette.go

@@ -13,7 +13,7 @@ import (
 )
 
 // write the base16 color palette to a file
-func exportPalette() error {
+func exportPalette(image string) error {
 	if !config.IsPaletteSet() {
 		return nil
 	}

internal/slideshow/slideshow.go

@@ -13,9 +13,6 @@ import (
 	"git.velvettear.de/velvettear/slideshow/internal/watcher"
 )
 
-// currently set image
-var image string
-
 // remember last shown image
 var previousImage string
 
@@ -26,6 +23,7 @@ func Start() {
 	var scaleTime time.Duration
 	scaleImages := config.IsResolutionSet()
 	for {
+		var image string
 		var data []byte
 		for {
 			image = watcher.GetRandomImage()
@@ -43,14 +41,14 @@ func Start() {
 			data = tmp
 			scaleTime = time.Since(scaleTimestamp)
 		}
-		error := exportPalette()
-		if error != nil {
-			loggo.Error("encountered an error exporting the color palette for image", "image: "+image, error.Error())
-		}
 		if sleepTime > 0 {
 			loggo.Debug("sleeping for " + strconv.FormatInt(sleepTime.Milliseconds(), 10) + "ms")
 			time.Sleep(sleepTime)
 		}
+		error := exportPalette(image)
+		if error != nil {
+			loggo.Error("encountered an error exporting the color palette for image", "image: "+image, error.Error())
+		}
 		if scaleImages {
 			error := setBackgroundPiped(data)
 			if error != nil {
@@ -136,8 +134,3 @@ func setBackgroundPiped(data []byte) error {
 	}
 	return nil
 }
-
-// get currently shown image
-func GetImage() string {
-	return image
-}