From de4d6c0714ca04a5e9b90630397f89fca938e33e Mon Sep 17 00:00:00 2001
From: "Salvador E. Tropea" <salvador@inti.gob.ar>
Date: Fri, 2 Sep 2022 08:14:55 -0300
Subject: [PATCH] [Diff] Added error message when KIBOT_LAST doesn't point to a
 hash

---
 kibot/out_diff.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kibot/out_diff.py b/kibot/out_diff.py
index cd74dea5..448451ae 100644
--- a/kibot/out_diff.py
+++ b/kibot/out_diff.py
@@ -192,6 +192,8 @@ class DiffOptions(BaseOptions):
         num = str(num)
         # Return its hash
         res = self.run_git(['log', '--pretty=format:%H', '--skip='+num, '-n', '1', '--', self.file])
+        if not res:
+            raise KiPlotConfigurationError("The `{}` doesn't resolve to a valid hash".format(ori))
         logger.debug('- '+res)
         return res