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re-added conditional PutObject

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This commit is contained in:
Jarek Kowalski
2017-08-12 16:36:12 -07:00
parent 9d1fb5032d
commit fe70b1e8b0
1 changed files with 5 additions and 1 deletions
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6
blob/gcs/gcs_storage.go
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@@ -127,7 +127,11 @@ func translateError(err error) error {
func (gcs *gcsStorage) PutBlock(b string, data []byte, options blob.PutOptions) error {
attempt := func() (interface{}, error) {
writer := gcs.bucket.Object(gcs.getObjectNameString(b)).NewWriter(gcs.ctx)
o := gcs.bucket.Object(gcs.getObjectNameString(b))
if options&blob.PutOptionsOverwrite == 0 {
o = o.If(storage.Conditions{DoesNotExist: true})
}
writer := o.NewWriter(gcs.ctx)
n, err := writer.Write(data)
if err != nil {
return nil, err