From fd41a0f0c5013f36dd96f8371403cd7a22be5730 Mon Sep 17 00:00:00 2001
From: DueViktor <66885944+DueViktor@users.noreply.github.com>
Date: Wed, 16 Nov 2022 21:43:31 +0100
Subject: [PATCH] Update run_black_on_git_diff_adds.sh

Can now handle if a file is deleted
---
 run_black_on_git_diff_adds.sh | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/run_black_on_git_diff_adds.sh b/run_black_on_git_diff_adds.sh
index fdc79e6..c9e6d6d 100755
--- a/run_black_on_git_diff_adds.sh
+++ b/run_black_on_git_diff_adds.sh
@@ -18,13 +18,19 @@ echo "looking for diff at ${github_pr_url}"
 curl --request GET --url ${github_pr_url} --header "authorization: Bearer ${GITHUB_TOKEN}" --header "Accept: application/vnd.github.v3.diff" > github_diff.txt
 diff_length=`wc -l github_diff.txt`
 echo "approximate diff size: ${diff_length}"
-python_files=`cat github_diff.txt | grep -E -- "\+\+\+ |\-\-\- " | awk '{print $2}' | grep -Po -- "(?<=[ab]/).+\.py$"`
-echo "python files edited in this PR: ${python_files}"
+python_files=`cat github_diff.txt | grep -E -- "\+\+\+" | awk '{print $2}' | grep -Po -- "(?<=[ab]/).+\.py$"`
 
-if [[ -z "${LINE_LENGTH}" ]]; then
-    line_length=130
+if [ ! "$python_files" ];then
+   echo "no python files to check"
 else
-    line_length="${LINE_LENGTH}"
-fi
+    echo "python files edited in this PR: ${python_files}"
+
+    if [[ -z "${LINE_LENGTH}" ]]; then
+    line_length=130
+    else
+        line_length="${LINE_LENGTH}"
+    fi
+
+    black --line-length ${line_length} --check ${python_files}
 
-black --line-length ${line_length} --check ${python_files}
\ No newline at end of file
+fi