handle non-existing file case on upload

cenkalti · cenkalti · commit 2d26f89edd01 · 2019-12-24T16:52:06.000+03:00
diff --git a/filereceiver.go b/filereceiver.go
@@ -145,6 +145,10 @@ func saveFile(path string, offset int64, length int64, r io.Reader, log log.Logg
 		}
 	}
 	f, err := os.OpenFile(path, os.O_WRONLY, 0600)
+	if os.IsNotExist(err) {
+		_ = DeleteFileInfo(path)
+		return 0, nil, &OffsetMismatchError{offset, 0}
+	}
 	if err != nil {
 		return 0, nil, err
 	}

Original file line number	Diff line number	Diff line change
`@@ -145,6 +145,10 @@ func saveFile(path string, offset int64, length int64, r io.Reader, log log.Logg`
`145`	`145`	`}`
`146`	`146`	`}`
`147`	`147`	`f, err := os.OpenFile(path, os.O_WRONLY, 0600)`
	`148`	`+ if os.IsNotExist(err) {`
	`149`	`+ _ = DeleteFileInfo(path)`
	`150`	`+ return 0, nil, &OffsetMismatchError{offset, 0}`
	`151`	`+ }`
`148`	`152`	`if err != nil {`
`149`	`153`	`return 0, nil, err`
`150`	`154`	`}`