From 477ef849abfeb3654c370296e07144d70ba235f8 Mon Sep 17 00:00:00 2001
From: Alexandru Croitor <acroitor@gitlab.com>
Date: Fri, 19 Apr 2024 12:14:23 +0300
Subject: [PATCH] Fix the case when diff is empty
When a file is just moved around it appears in the changed files list
but the diff is empty so we are skipping it.
---
danger/tailwindcss/Dangerfile | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/danger/tailwindcss/Dangerfile b/danger/tailwindcss/Dangerfile
index 2975d373abdcd..f32e6d0d7cac1 100644
--- a/danger/tailwindcss/Dangerfile
+++ b/danger/tailwindcss/Dangerfile
@@ -46,6 +46,11 @@ module Danger
def files_with_interpolated_utils(files, pattern)
files.select do |file|
diff = @git.diff_for_file(file)
+
+ # When a file is just moved around it appears in the changed files list
+ # but the diff is empty so we are skipping it.
+ next if diff.nil?
+
diff.patch.each_line.any? do |line|
line.start_with?('+') && line.match?(pattern)
end
--
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