From db9d787735646ccbe7a9559f89b2e0d4bd70549a Mon Sep 17 00:00:00 2001
From: Bastian Dehn <hhaalo@arcor.de>
Date: Thu, 2 Apr 2026 17:14:41 +0200
Subject: [PATCH] add error messages

---
 tools/includer | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/tools/includer b/tools/includer
index 1efbafa..4b40b69 100755
--- a/tools/includer
+++ b/tools/includer
@@ -1,8 +1,26 @@
 #!/bin/bash
 
+errlog()
+{
+	local lastexit=$?
+	local msg="$1"
+
+	echo "❌ ERROR: $msg"
+	echo "🛑 EXIT $lastexit"
+	return $lastexit
+}
+
 main()
 {
 	local file="$1"
+
+	[ -n "$file" ] \
+		|| "missing file" \
+		|| return $?
+	[ -f "$file" ] \
+		|| errlog "file $file does not exists" \
+		|| return $?
+
 	local dir=$(dirname "$file")
 	local regex="^#include \"\(.*\)\"$"
 
@@ -11,9 +29,14 @@ main()
 		| sed "s/$regex/\1/")
 
 	local include_file=
+	local include_regex=
 	local out=$(cat $file)
 	for include_file in $include_files; do
-		local include_regex="#include \"$include_file\""
+		[ -f $dir/$include_file ] \
+			|| errlog "file $include_file does not exists" \
+			|| return $?
+
+		include_regex="#include \"$include_file\""
 		out=$(echo "$out" \
 			| sed "/$include_regex/r $dir/$include_file" \
 			| sed "/$include_regex/d")
-- 
2.47.3