Update pmtiles upload --help (#195)

* Update `pmtiles upload --help` [#194]

main.go

@@ -109,8 +109,8 @@ var cli struct {
 	} `cmd:"" help:"Download a local archive to remote storage." hidden:""`
 
 	Upload struct {
-		Input          string `arg:"" type:"existingfile"`
-		Key            string `arg:""`
+		InputPmtiles   string `arg:"" type:"existingfile" help:"The local PMTiles file"`
+		RemotePmtiles  string `arg:""  help:"The name for the remote PMTiles source"`
 		MaxConcurrency int    `default:"2" help:"# of upload threads"`
 		Bucket         string `required:"" help:"Bucket to upload to."`
 	} `cmd:"" help:"Upload a local archive to remote storage."`
@@ -203,8 +203,8 @@ func main() {
 		if err != nil {
 			logger.Fatalf("Failed to convert %s, %v", path, err)
 		}
-	case "upload <input> <key>":
-		err := pmtiles.Upload(logger, cli.Upload.Input, cli.Upload.Bucket, cli.Upload.Key, cli.Upload.MaxConcurrency)
+	case "upload <inputpmtiles> <remotepmtiles>":
+		err := pmtiles.Upload(logger, cli.Upload.InputPmtiles, cli.Upload.Bucket, cli.Upload.RemotePmtiles, cli.Upload.MaxConcurrency)
 
 		if err != nil {
 			logger.Fatalf("Failed to upload file, %v", err)

pmtiles/upload.go

@@ -19,7 +19,7 @@ func partSizeBytes(totalSize int64) int {
 }
 
 // Upload a pmtiles archive to a bucket.
-func Upload(logger *log.Logger, input string, bucket string, key string, maxConcurrency int) error {
+func Upload(logger *log.Logger, InputPMTiles string, bucket string, RemotePMTiles string, maxConcurrency int) error {
 	ctx := context.Background()
 
 	b, err := blob.OpenBucket(ctx, bucket)
@@ -28,7 +28,7 @@ func Upload(logger *log.Logger, input string, bucket string, key string, maxConc
 	}
 	defer b.Close()
 
-	f, err := os.Open(input)
+	f, err := os.Open(InputPMTiles)
 	if err != nil {
 		return fmt.Errorf("Failed to open file: %w", err)
 	}
@@ -44,7 +44,7 @@ func Upload(logger *log.Logger, input string, bucket string, key string, maxConc
 		MaxConcurrency: maxConcurrency,
 	}
 
-	w, err := b.NewWriter(ctx, key, opts)
+	w, err := b.NewWriter(ctx, RemotePMTiles, opts)
 	if err != nil {
 		return fmt.Errorf("Failed to obtain writer: %w", err)
 	}