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).
fredrikekre · Jul 26, 2024 · 5326088 · 5326088
1 parent 88e6560
commit 5326088
Showing 1 changed file with 4 additions and 1 deletion.
diff --git 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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