X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/a37291f5f992a082d88efb9cdf57cd92c710e883..ccb5293993df4d535b3ca1e3224a5a146d8f90c2:/services/keepstore/s3_volume.go

diff --git a/services/keepstore/s3_volume.go b/services/keepstore/s3_volume.go
index 235d369b5a..07bb033c9f 100644
--- a/services/keepstore/s3_volume.go
+++ b/services/keepstore/s3_volume.go
@@ -586,7 +586,10 @@ func (v *S3Volume) IndexTo(prefix string, writer io.Writer) error {
 		if err != nil {
 			return err
 		}
-		fmt.Fprintf(writer, "%s+%d %d\n", data.Key, data.Size, t.UnixNano())
+		// We truncate sub-second precision here. Otherwise
+		// timestamps will never match the RFC1123-formatted
+		// Last-Modified values parsed by Mtime().
+		fmt.Fprintf(writer, "%s+%d %d\n", data.Key, data.Size, t.Unix()*1000000000)
 	}
 	return dataL.Error()
 }