chore: Enforce minimum clang-format version

format.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
 
+validate() {
 	utility="clang-format"
 	utility_version="$("$utility" --version 2>/dev/null)" || {
 		echo "$utility not found in path!"
@@ -24,6 +25,7 @@ if ((major < required_major)) || ((minor < required_minor)) || ((patch < require
 		echo "$utility $required_major.$required_minor.$required_patch required, but is $major.$minor.$patch"
 		exit 1
 	fi
+}
 
 help() {
 	echo "Usage: $0 [OPTION]..."
@@ -53,6 +55,6 @@ format() {
 
 case $1 in
 "-h" | "--help") help ;;
-  "-d" | "--dry-run") dry_run ;;
-  "") format ;;
+"-d" | "--dry-run") validate && dry_run ;;
+"") validate && format ;;
 esac