[FLINK-36544][OLM ] Ensure file permissions are preserved on the CSV during bundle creation

Signed-off-by: kwall <[email protected]>

Author: k-wall

tools/olm/docker-entry.sh

@@ -98,7 +98,10 @@ generate_olm_bundle() {
   yq ea -i "del(.subjects[0].namespace)" "${ROLE_BINDING}"
 
   # Needed to replace description with new bundle values
-  sed -i "s/RELEASE_VERSION/${BUNDLE_VERSION}/" "${CSV_FILE}"
+  sed --in-place=.old "s/RELEASE_VERSION/${BUNDLE_VERSION}/" "${CSV_FILE}"
+  # Ensure that file permissions are preserved
+  chmod --reference="${CSV_FILE}".old "${CSV_FILE}"
+  rm "${CSV_FILE}".old
 }
 
 validate_olm_bundle() {