Refactor the "verify" functionality into the api package

api/verify.go

@@ -0,0 +1,46 @@
+package api
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"strconv"
+
+	"github.com/github/git-lfs/errutil"
+	"github.com/github/git-lfs/httputil"
+)
+
+// VerifyUpload calls the "verify" API link relation on obj if it exists
+func VerifyUpload(obj *ObjectResource) error {
+
+	// Do we need to do verify?
+	if _, ok := obj.Rel("verify"); !ok {
+		return nil
+	}
+
+	req, err := obj.NewRequest("verify", "POST")
+	if err != nil {
+		return errutil.Error(err)
+	}
+
+	by, err := json.Marshal(obj)
+	if err != nil {
+		return errutil.Error(err)
+	}
+
+	req.Header.Set("Content-Type", MediaType)
+	req.Header.Set("Content-Length", strconv.Itoa(len(by)))
+	req.ContentLength = int64(len(by))
+	req.Body = ioutil.NopCloser(bytes.NewReader(by))
+	res, err := DoRequest(req, true)
+	if err != nil {
+		return err
+	}
+
+	httputil.LogTransfer("lfs.data.verify", res)
+	io.Copy(ioutil.Discard, res.Body)
+	res.Body.Close()
+
+	return err
+}