fix exit on interrupt exit code. also add message to stderr

CHANGELOG

@@ -2,6 +2,8 @@ jc changelog
 
 20221025 v1.22.2
 - fix `csv` and `csv-s` parsers for UTF-8 encoded CSV files with leading BOM bytes
+- fix exit code to be non-zero on interrupt
+- add error message on interrupt to STDERR
 - add python 3.11 tests to github actions
 
 20221024 v1.22.1

jc/cli.py

@@ -631,7 +631,9 @@ class JcCli():
 
     def ctrlc(self, signum, frame) -> None:
         """Exit on SIGINT"""
-        self.exit_clean()
+        signame = signal.Signals(signum).name
+        utils.error_message([f'Exit on {signame}'])
+        self.exit_error()
 
     def run(self) -> None:
         # break on ctrl-c keyboard interrupt