From 52491fbf948ede0e4e206938d2410ec4eb4159f0 Mon Sep 17 00:00:00 2001
From: Yegor Bugayenko <yegor256@gmail.com>
Date: Sun, 17 Mar 2024 16:20:19 +0300
Subject: [PATCH] #1 check for emptiness

---
 entry.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/entry.sh b/entry.sh
index 5b18028..4c88b95 100755
--- a/entry.sh
+++ b/entry.sh
@@ -31,6 +31,11 @@ read -r -a opts <<< "${INPUT_OPTS}"
 
 bibs=$(find . -name '*.bib')
 
+if [ -z "${bibs}" ]; then
+    echo "There are no .bib files in the repository"
+    exit
+fi
+
 echo "${bibs}" | while IFS= read -r bib; do
     bibcop.pl "${opts[@]}" "${bib}"
 done