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Nils LegerandGitHub
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* feat(azure): implement server-side copy with fallback Add server-side object copy for the Azure backend using StartCopyFromURL, with a fallback to download+reupload when server-side copy is unavailable. The copy logic lives in backend/azure/copy.go and handles metadata, tagging and object lock configurations. The copy-source SAS service version is configurable via the --copy-sas-version flag (AZ_COPY_SAS_VERSION) and defaults to the SDK version, so production is unchanged. Endpoints that lag the SDK's SAS version (e.g. Azurite) cannot verify a SAS signed with the newer version and can set an older one. On a metadata-COPY, the internal website-redirect key is dropped from the destination to match the download+reupload fallback. Testing: - Add CopyObject_cross_bucket_server_side_copy, which copies an object with data, user metadata, content-type and tags across two buckets and verifies all are preserved and an ETag is returned. - Configure the Azurite functional-test gateway with AZ_COPY_SAS_VERSION and let Azurite trust its self-signed test certificate (NODE_EXTRA_CA_CERTS) so it can fetch the copy source from its own HTTPS endpoint, ensuring CI exercises the real server-side copy path instead of always falling back. Signed-off-by: Nils Leger <nils.leger@getflip.com> * docs: update copyright year Signed-off-by: Nils Leger <nils.leger@getflip.com> * fix: always fallback to download+upload whenever there is an error building the server-side copy URL Signed-off-by: Nils Leger <nils.leger@getflip.com> --------- Signed-off-by: Nils Leger <nils.leger@getflip.com>