forked from athena-metis/dbxcli
/
get.go
90 lines (76 loc) · 2.1 KB
/
get.go
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// Copyright © 2016 Dropbox, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"errors"
"fmt"
"io"
"os"
"path"
"github.com/dropbox/dropbox-sdk-go-unofficial/dropbox/files"
"github.com/dustin/go-humanize"
"github.com/mitchellh/ioprogress"
"github.com/spf13/cobra"
)
func get(cmd *cobra.Command, args []string) (err error) {
if len(args) == 0 || len(args) > 2 {
return errors.New("`get` requires `src` and/or `dst` arguments")
}
src, err := validatePath(args[0])
if err != nil {
return
}
// Default `dst` to the base segment of the source path; use the second argument if provided.
dst := path.Base(src)
if len(args) == 2 {
dst = args[1]
}
// If `dst` is a directory, append the source filename.
if f, err := os.Stat(dst); err == nil && f.IsDir() {
dst = path.Join(dst, path.Base(src))
}
arg := files.NewDownloadArg(src)
dbx := files.New(config)
res, contents, err := dbx.Download(arg)
if err != nil {
return
}
defer contents.Close()
f, err := os.Create(dst)
if err != nil {
return
}
defer f.Close()
progressbar := &ioprogress.Reader{
Reader: contents,
DrawFunc: ioprogress.DrawTerminalf(os.Stderr, func(progress, total int64) string {
return fmt.Sprintf("Downloading %s/%s",
humanize.IBytes(uint64(progress)), humanize.IBytes(uint64(total)))
}),
Size: int64(res.Size),
}
if _, err = io.Copy(f, progressbar); err != nil {
return
}
return
}
// getCmd represents the get command
var getCmd = &cobra.Command{
Use: "get [flags] <source> [<target>]",
Short: "Download a file",
RunE: get,
}
func init() {
RootCmd.AddCommand(getCmd)
}