Improve update-codegen.sh

Signed-off-by: Vittorio Cozzolino <vittorio.cozzolino@huawei.com>

hack/update-codegen.sh

@@ -26,3 +26,17 @@ ${SEDNA_ROOT}/hack/generate-groups.sh "deepcopy,client,informer,lister" \
 ${SEDNA_GO_PACKAGE}/pkg/client ${SEDNA_GO_PACKAGE}/pkg/apis \
 "sedna:v1alpha1" \
 --go-header-file ${SEDNA_ROOT}/hack/boilerplate/boilerplate.generatego.txt
+
+# Check if Sedna home is different from the standard directory where GO projects are located
+if ! [[ "${GOPATH}/src/${SEDNA_GO_PACKAGE}/" -ef "${SEDNA_ROOT}/" ]]; then
+    # Copy generated code into SEDNA_ROOT
+    echo "Warning: ${SEDNA_ROOT} not included in $GOPATH which is required by code-gen"
+    echo "Moving generated code from ${GOPATH}/src/${SEDNA_GO_PACKAGE}/pkg/ to ${SEDNA_ROOT}/"
+    rsync -a ${GOPATH}/src/${SEDNA_GO_PACKAGE}/pkg/{client,apis} ${SEDNA_ROOT}/pkg
+    if [ $? -eq 0 ]; then
+        echo "Copy successful!"
+        rm -rf ${GOPATH}/src/${SEDNA_GO_PACKAGE}/pkg/{client,apis}
+    else
+        echo "Error during copy of the generated code!" >&2
+    fi
+fi