click exit code support, code 3 for load errors

ckanapi/cli/ckan_click.py

@@ -5,8 +5,9 @@
     short_help='Local API calls with ckanapi tool'
 )
 @click.argument('args', nargs=-1, type=click.UNPROCESSED)
-def api(args):
+@click.pass_context
+def api(context, args):
     from ckanapi.cli.main import main
     import sys
     sys.argv[1:] = args
-    return main(running_with_paster=True)
+    context.exit(main(running_with_paster=True) or 0)

ckanapi/cli/load.py

@@ -79,13 +79,16 @@ def line_reader():
     stats = completion_stats(processes)
     pool = worker_pool(cmd, processes, line_reader())
 
+    failures = 0
     with quiet_int_pipe() as errors:
         for job_ids, finished, result in pool:
             if not result:
                 # child exited with traceback
                 return 1
             timestamp, action, error, response = json.loads(
                 result.decode('utf-8'))
+            if error:
+                failures += 1
 
             if not arguments['--quiet']:
                 stderr.write(('%s %s %s %s %s %s\n' % (
@@ -110,6 +113,8 @@ def line_reader():
         return 1
     if 'interrupt' in errors:
         return 2
+    if failures:
+        return 3
 
 
 def load_things_worker(ckan, thing, arguments,