Function NewFsSrcDstFiles

cmd/cmd.go:180–212

NewFsSrcDstFiles creates a new src and dst fs from the arguments If src is a file then srcFileName and dstFileName will be non-empty

(args []string)

// NewFsSrcDstFiles creates a new src and dst fs from the arguments
// If src is a file then srcFileName and dstFileName will be non-empty
func NewFsSrcDstFiles(args []string) (fsrc fs.Fs, srcFileName string, fdst fs.Fs, dstFileName string) {
	ctx := context.Background()
	fsrc, srcFileName = newFsFileAddFilter(args[0])
	// If copying a file...
	dstRemote := args[1]
	// If file exists then srcFileName != "", however if the file
	// doesn't exist then we assume it is a directory...
	if srcFileName != "" {
		var err error
		dstRemote, dstFileName, err = fspath.Split(dstRemote)
		if err != nil {
			fs.Fatalf(nil, "Parsing %q failed: %v", args[1], err)
		}
		if dstRemote == "" {
			dstRemote = "."
		}
		if dstFileName == "" {
			fs.Fatalf(nil, "%q is a directory", args[1])
		}
	}
	fdst, err := cache.Get(ctx, dstRemote)
	switch err {
	case fs.ErrorIsFile:
		_ = fs.CountError(ctx, err)
		fs.Fatalf(nil, "Source doesn't exist or is a directory and destination is a file")
	case nil:
	default:
		_ = fs.CountError(ctx, err)
		fs.Fatalf(nil, "Failed to create file system for destination %q: %v", dstRemote, err)
	}
	cache.Pin(fdst) // pin indefinitely since it was on the CLI
	return
}

// NewFsDstFile creates a new dst fs with a destination file name from the arguments
func NewFsDstFile(args []string) (fdst fs.Fs, dstFileName string) {