client: Fix image aliases in relay mode

Signed-off-by: Stéphane Graber <[email protected]>

client/incus_images.go

@@ -835,6 +835,7 @@ func (r *ProtocolIncus) CopyImage(source ImageServer, image api.Image, args *Ima
 		imagePost.Public = args.Public
 		imagePost.Profiles = image.Profiles
 
+		imagePost.Aliases = args.Aliases
 		if args.CopyAliases {
 			imagePost.Aliases = image.Aliases
 			if args.Aliases != nil {
@@ -880,6 +881,19 @@ func (r *ProtocolIncus) CopyImage(source ImageServer, image api.Image, args *Ima
 				rop.err = remoteOperationError("Failed to copy image", nil)
 				return
 			}
+
+			// Apply the aliases.
+			for _, entry := range imagePost.Aliases {
+				alias := api.ImageAliasesPost{}
+				alias.Name = entry.Name
+				alias.Target = image.Fingerprint
+
+				err := r.CreateImageAlias(alias)
+				if err != nil {
+					rop.err = remoteOperationError("Failed to add alias", nil)
+					return
+				}
+			}
 		}()
 
 		return &rop, nil