pkg/copy: introduce a Copier

Introduce a `Copier` object to separate the copy-rule enforcement from
copying.  That allows for a better error reporting of the REST API.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/pkg/domain/infra/abi/cp.go b/pkg/domain/infra/abi/cp.go
index 7cc3005c1..362053cce 100644
--- a/pkg/domain/infra/abi/cp.go
+++ b/pkg/domain/infra/abi/cp.go
@@ -62,5 +62,9 @@ func (ic *ContainerEngine) ContainerCp(ctx context.Context, source, dest string,
 	}
 
 	// Copy from the host to the container.
-	return copy.Copy(&sourceItem, &destinationItem, options.Extract)
+	copier, err := copy.GetCopier(&sourceItem, &destinationItem, options.Extract)
+	if err != nil {
+		return err
+	}
+	return copier.Copy()
 }