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s3: when copying from s3 to s3, preserve metadata #111

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See: https://forum.rclone.org/t/s3-bucket-migration-with-metadata-issues/10262
This commit is contained in:
Nick Craig-Wood 2019-05-29 10:24:49 +01:00
parent c3e2392f2b
commit b7199fe3d7
1 changed files with 18 additions and 3 deletions
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21
backend/s3/s3.go
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@ -3171,11 +3171,26 @@ func (o *Object) Update(ctx context.Context, in io.Reader, src fs.ObjectInfo, op
multipart := size < 0 || size >= int64(o.fs.opt.UploadCutoff)
// Set the mtime in the meta data
metadata := map[string]*string{
metaMtime: aws.String(swift.TimeToFloatString(modTime)),
// Metadata for upload
metadata := map[string]*string{}
fs.Debugf(o, "src = %#v", src)
// Read metadata from source s3 object if available
srcObj, ok := fs.UnWrapObjectInfo(src).(*Object)
if ok {
fs.Debugf(o, "Reading metadata from %v", srcObj)
err := srcObj.readMetaData(ctx) // reads info and meta, returning an error
if err != nil {
return err
}
for k, v := range srcObj.meta {
metadata[k] = v
}
}
// Set the mtime in the meta data
metadata[metaMtime] = aws.String(swift.TimeToFloatString(modTime))
// read the md5sum if available
// - for non multipart
// - so we can add a ContentMD5