add pre commit check for usage of die

Author: simonLeary42

.pre-commit-config.yaml

@@ -48,3 +48,10 @@ repos:
         language: system
         files: \.php$
         args: [-l]
+  - repo: local
+    hooks:
+      - id: assert-no-die
+        name: Assert No Die
+        entry: ./test/assert-no-die.bash
+        language: system
+        files: \.php$

test/assert-no-die.bash

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -euo pipefail
+if [[ $# -lt 1 ]]; then
+    echo "at least one argument required" >&2
+    exit 1
+fi
+occurrences="$(grep -H --line-number --color=always -P '\bdie\s*\(' "$@" | grep -v -P 'UnitySite::die\s*\(')" || true
+if [ -n "$occurrences" ]; then
+    echo "die() is not allowed! use UnitySite::die() instead." >&2
+    echo "$occurrences"
+    exit 1
+fi