From 53260886fdfd08547e7a9e5b8861d25b35dc6411 Mon Sep 17 00:00:00 2001
From: Hugo LEVY-FALK <Klafyvel@users.noreply.github.com>
Date: Fri, 26 Jul 2024 13:24:29 +0200
Subject: [PATCH] Add a test for empty file list in git hook suggestion (#26)

As it was, the proposed git hook will fail if no Julia file has been
edited in the commit (for example if we only edited Project.toml).
---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5015113..9d01d34 100644
--- a/README.md
+++ b/README.md
@@ -213,7 +213,10 @@ exec 1>&2
 
 # Run Runic on added and modified files
 mapfile -t files < <(git diff-index --name-only --diff-filter=AM master | grep '\.jl$')
-julia --project=@runic -m Runic --check --diff "${files[@]}"
+
+if [ ${#files[@]} -gt 0 ]; then
+    julia --project=@runic -m Runic --check --diff "${files[@]}"
+fi
 ```
 
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