set cache location from cli args

cmd/steamimmich.go

@@ -16,6 +16,7 @@ type args struct {
 	UserdataDir string `arg:"--steam-userdata-dir" placeholder:"USERDATA_DIR" help:"Steam userdata directory. If not set, search automaticly."`
 	DeviceID    string `arg:"--device-id" default:"steam-immich" help:"Device ID of the uploads"`
 	Album       string `arg:"--album" help:"UUID of a album to upload to"`
+	CacheFile   string `arg:"--cache" default:"$XDG_CACHE_HOME/steam-immich.json" help:"Location of the cache file"`
 }
 
 func Run() {
@@ -43,6 +44,7 @@ func Run() {
 		UserdataDir: steamUserdataDir,
 		DeiveID:     args.DeviceID,
 		Album:       args.Album,
+		CacheFile:   os.ExpandEnv(args.CacheFile),
 	})
 }
 

internal/steamimmich.go

@@ -12,6 +12,7 @@ type Config struct {
 	UserdataDir string
 	DeiveID     string
 	Album       string
+	CacheFile   string
 }
 
 func Run(config Config) {
@@ -29,7 +30,7 @@ func Run(config Config) {
 
 	immichClient := newImmichHttpClient(config.APIKey)
 
-	localState, err := loadLocalState("./state.json")
+	localState, err := loadLocalState(config.CacheFile)
 	if err != nil {
 		log.Fatalf("Failed to load local state: %s", err)
 	}
@@ -81,7 +82,7 @@ func Run(config Config) {
 	}
 
 	log.Println("Finished uploading screenshots")
-	err = saveLocalState("./state.json", *localState)
+	err = saveLocalState(config.CacheFile, *localState)
 	if err != nil {
 		log.Fatalf("Failed to save local cache: %s", err)
 		return