From 717cfd2d37584b88d1fc92c637223fcd99508459 Mon Sep 17 00:00:00 2001
From: "Kim B. Heino" <b@bbbs.net>
Date: Sat, 23 Oct 2021 15:04:07 +0300
Subject: [PATCH] validate: add support for both jsonschema v3 and old v2

RHEL8 and RHEL7 have old jsonschema v2. Try v3 (Draft7) first but
fallback to v2 (Draft4) if needed.
---
 borgmatic/config/validate.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/borgmatic/config/validate.py b/borgmatic/config/validate.py
index 5658c1b..7d41151 100644
--- a/borgmatic/config/validate.py
+++ b/borgmatic/config/validate.py
@@ -110,7 +110,10 @@ def parse_configuration(config_filename, schema_filename, overrides=None):
     override.apply_overrides(config, overrides)
     normalize.normalize(config)
 
-    validator = jsonschema.Draft7Validator(schema)
+    try:
+        validator = jsonschema.Draft7Validator(schema)
+    except AttributeError:
+        validator = jsonschema.Draft4Validator(schema)
     validation_errors = tuple(validator.iter_errors(config))
 
     if validation_errors: