From de8389d1e97a9b23b53fcabb8ac9aed0e4ee17f0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kriszti=C3=A1n=20Sz=C5=B1cs?= <szucs.krisztian@gmail.com>
Date: Thu, 16 May 2019 08:58:42 +0200
Subject: [PATCH] write line separator to output properly formatted jsonlines

---
 dev/archery/archery/cli.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dev/archery/archery/cli.py b/dev/archery/archery/cli.py
index b7b077ab87c7e..0178d58a03f68 100644
--- a/dev/archery/archery/cli.py
+++ b/dev/archery/archery/cli.py
@@ -352,9 +352,12 @@ def benchmark_diff(ctx, src, preserve, suite_filter, benchmark_filter,
 
         regressions = 0
         runner_comp = RunnerComparator(runner_cont, runner_base, threshold)
+
+        # TODO(kszucs): test that the output is properly formatted jsonlines
         for comparator in runner_comp.comparisons:
             regressions += comparator.regression
             json.dump(comparator, output, cls=JsonEncoder)
+            output.write('\n')
 
         sys.exit(regressions)