2016-12-12 00:28:47 +00:00
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package tq
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2016-05-24 16:04:51 +00:00
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import (
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"io"
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"io/ioutil"
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"os"
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2016-05-25 10:28:24 +00:00
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"path/filepath"
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2016-05-24 16:04:51 +00:00
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"strconv"
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2017-01-04 22:27:07 +00:00
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"strings"
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2016-05-24 16:04:51 +00:00
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2016-11-15 17:01:18 +00:00
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"github.com/git-lfs/git-lfs/errors"
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2017-01-06 20:31:45 +00:00
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"github.com/git-lfs/git-lfs/lfsapi"
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2016-11-15 17:01:18 +00:00
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"github.com/git-lfs/git-lfs/progress"
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2016-05-24 16:04:51 +00:00
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)
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2016-05-25 15:41:47 +00:00
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const (
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BasicAdapterName = "basic"
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)
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2016-06-08 08:37:25 +00:00
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// Adapter for basic uploads (non resumable)
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type basicUploadAdapter struct {
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2016-06-03 15:32:46 +00:00
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*adapterBase
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2016-05-24 16:04:51 +00:00
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}
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2016-06-08 08:37:25 +00:00
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func (a *basicUploadAdapter) ClearTempStorage() error {
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2016-05-25 15:53:04 +00:00
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// Should be empty already but also remove dir
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return os.RemoveAll(a.tempDir())
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2016-05-24 16:04:51 +00:00
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}
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2016-06-08 08:37:25 +00:00
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func (a *basicUploadAdapter) tempDir() string {
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2016-05-25 15:53:04 +00:00
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// Must be dedicated to this adapter as deleted by ClearTempStorage
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d := filepath.Join(os.TempDir(), "git-lfs-basic-temp")
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if err := os.MkdirAll(d, 0755); err != nil {
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return os.TempDir()
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}
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return d
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2016-05-25 10:28:24 +00:00
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}
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2016-07-08 15:30:46 +00:00
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func (a *basicUploadAdapter) WorkerStarting(workerNum int) (interface{}, error) {
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return nil, nil
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}
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func (a *basicUploadAdapter) WorkerEnding(workerNum int, ctx interface{}) {
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}
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2016-12-12 00:52:00 +00:00
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func (a *basicUploadAdapter) DoTransfer(ctx interface{}, t *Transfer, cb ProgressCallback, authOkFunc func()) error {
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2017-03-06 21:33:58 +00:00
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rel, err := t.Rel("upload")
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2016-12-14 17:57:34 +00:00
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if err != nil {
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return err
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2017-03-06 19:36:21 +00:00
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}
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if rel == nil {
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2017-03-06 22:02:31 +00:00
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return errors.Errorf("No upload action for object: %s", t.Oid)
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2016-05-24 16:04:51 +00:00
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}
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2017-01-04 22:43:29 +00:00
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req, err := a.newHTTPRequest("PUT", rel)
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2016-05-24 16:04:51 +00:00
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if err != nil {
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return err
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}
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if len(req.Header.Get("Content-Type")) == 0 {
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req.Header.Set("Content-Type", "application/octet-stream")
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}
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if req.Header.Get("Transfer-Encoding") == "chunked" {
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req.TransferEncoding = []string{"chunked"}
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} else {
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2016-12-14 17:57:34 +00:00
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req.Header.Set("Content-Length", strconv.FormatInt(t.Size, 10))
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2016-05-24 16:04:51 +00:00
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}
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2016-12-14 17:57:34 +00:00
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req.ContentLength = t.Size
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2016-05-24 16:04:51 +00:00
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f, err := os.OpenFile(t.Path, os.O_RDONLY, 0644)
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if err != nil {
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2016-08-18 21:02:21 +00:00
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return errors.Wrap(err, "basic upload")
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2016-05-25 09:51:54 +00:00
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}
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defer f.Close()
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// Ensure progress callbacks made while uploading
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2016-05-27 11:52:18 +00:00
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// Wrap callback to give name context
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ccb := func(totalSize int64, readSoFar int64, readSinceLast int) error {
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2016-06-03 15:32:46 +00:00
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if cb != nil {
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return cb(t.Name, totalSize, readSoFar, readSinceLast)
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2016-05-27 14:05:02 +00:00
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}
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return nil
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2016-05-27 11:52:18 +00:00
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}
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2017-02-17 21:50:48 +00:00
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2017-02-17 23:52:33 +00:00
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cbr := progress.NewBodyWithCallback(f, t.Size, ccb)
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var reader lfsapi.ReadSeekCloser = cbr
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2016-05-25 09:51:54 +00:00
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2016-06-03 15:32:46 +00:00
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// Signal auth was ok on first read; this frees up other workers to start
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if authOkFunc != nil {
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2017-01-06 20:31:45 +00:00
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reader = newStartCallbackReader(reader, func() error {
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2016-06-03 15:32:46 +00:00
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authOkFunc()
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2017-01-06 20:31:45 +00:00
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return nil
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2016-05-25 10:03:47 +00:00
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})
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}
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2017-01-06 20:31:45 +00:00
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req.Body = reader
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2016-05-24 16:04:51 +00:00
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2017-04-27 16:07:12 +00:00
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req = a.apiClient.LogRequest(req, "lfs.data.upload")
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2017-01-04 22:43:29 +00:00
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res, err := a.doHTTP(t, req)
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2016-05-24 16:04:51 +00:00
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if err != nil {
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2017-02-17 21:50:48 +00:00
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// We're about to return a retriable error, meaning that this
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// transfer will either be retried, or it will fail.
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//
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// Either way, let's decrement the number of bytes that we've
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// read _so far_, so that the next iteration doesn't re-transfer
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// those bytes, according to the progress meter.
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2017-02-17 23:52:33 +00:00
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if perr := cbr.ResetProgress(); perr != nil {
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err = errors.Wrap(err, perr.Error())
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}
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2017-02-17 21:50:48 +00:00
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2016-08-18 20:20:33 +00:00
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return errors.NewRetriableError(err)
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2016-05-24 16:04:51 +00:00
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}
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2017-01-04 22:27:07 +00:00
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2016-05-24 16:04:51 +00:00
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// A status code of 403 likely means that an authentication token for the
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// upload has expired. This can be safely retried.
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if res.StatusCode == 403 {
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2016-08-18 21:24:11 +00:00
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err = errors.New("http: received status 403")
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2016-08-18 20:20:33 +00:00
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return errors.NewRetriableError(err)
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2016-05-24 16:04:51 +00:00
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}
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if res.StatusCode > 299 {
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2017-01-04 22:27:07 +00:00
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return errors.Wrapf(nil, "Invalid status for %s %s: %d",
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req.Method,
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strings.SplitN(req.URL.String(), "?", 2)[0],
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res.StatusCode,
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)
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2016-05-24 16:04:51 +00:00
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}
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io.Copy(ioutil.Discard, res.Body)
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res.Body.Close()
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2017-03-24 21:27:07 +00:00
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return verifyUpload(a.apiClient, a.remote, t)
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2016-05-24 16:04:51 +00:00
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}
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2016-05-25 10:03:47 +00:00
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// startCallbackReader is a reader wrapper which calls a function as soon as the
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// first Read() call is made. This callback is only made once
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type startCallbackReader struct {
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2017-01-06 20:31:45 +00:00
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cb func() error
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2016-05-25 10:03:47 +00:00
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cbDone bool
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2017-01-06 20:31:45 +00:00
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lfsapi.ReadSeekCloser
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2016-05-25 10:03:47 +00:00
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}
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func (s *startCallbackReader) Read(p []byte) (n int, err error) {
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if !s.cbDone && s.cb != nil {
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2017-01-06 20:31:45 +00:00
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if err := s.cb(); err != nil {
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return 0, err
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}
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2016-05-25 10:03:47 +00:00
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s.cbDone = true
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}
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2017-01-06 20:31:45 +00:00
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return s.ReadSeekCloser.Read(p)
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2016-05-25 10:03:47 +00:00
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}
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2017-01-06 20:31:45 +00:00
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func newStartCallbackReader(r lfsapi.ReadSeekCloser, cb func() error) *startCallbackReader {
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return &startCallbackReader{
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ReadSeekCloser: r,
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cb: cb,
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}
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2016-05-25 10:03:47 +00:00
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}
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2016-08-09 21:43:29 +00:00
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func configureBasicUploadAdapter(m *Manifest) {
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2016-12-12 00:55:14 +00:00
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m.RegisterNewAdapterFunc(BasicAdapterName, Upload, func(name string, dir Direction) Adapter {
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2016-06-03 15:32:46 +00:00
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switch dir {
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case Upload:
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2016-06-08 08:37:25 +00:00
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bu := &basicUploadAdapter{newAdapterBase(name, dir, nil)}
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2016-06-03 15:32:46 +00:00
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// self implements impl
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bu.transferImpl = bu
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return bu
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2016-06-08 08:37:25 +00:00
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case Download:
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panic("Should never ask this func for basic download")
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2016-05-31 09:44:35 +00:00
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}
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2016-06-03 15:32:46 +00:00
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return nil
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2016-08-09 21:43:29 +00:00
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})
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2016-05-24 16:04:51 +00:00
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}
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