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copyurl: add no-clobber flag - fixes #3950

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This commit is contained in:
Denis
2020-04-19 14:40:17 +03:00
committed by GitHub
parent 9d4b3580a5
commit 31a1cc46b7
6 changed files with 43 additions and 8 deletions
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9
fs/operations/operations.go
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@ -1718,8 +1718,15 @@ func copyURLFn(ctx context.Context, dstFileName string, url string, dstFileNameF
}
// CopyURL copies the data from the url to (fdst, dstFileName)
func CopyURL(ctx context.Context, fdst fs.Fs, dstFileName string, url string, dstFileNameFromURL bool) (dst fs.Object, err error) {
func CopyURL(ctx context.Context, fdst fs.Fs, dstFileName string, url string, dstFileNameFromURL bool, noClobber bool) (dst fs.Object, err error) {
err = copyURLFn(ctx, dstFileName, url, dstFileNameFromURL, func(ctx context.Context, dstFileName string, in io.ReadCloser, size int64, modTime time.Time) (err error) {
if noClobber {
_, err = fdst.NewObject(ctx, dstFileName)
if err == nil {
return errors.New("CopyURL failed: file already exist")
}
}
dst, err = RcatSize(ctx, fdst, dstFileName, in, size, modTime)
return err
})