From 7604dd0e16d00a6077f80fef32317bdf6616c95b Mon Sep 17 00:00:00 2001
From: Daniel Poelzleithner <poelzleithner@b1-systems.de>
Date: Mon, 31 Oct 2022 14:36:39 +0100
Subject: [PATCH] cmake: extract lsyncd version from lsyncd.lua

---
 CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 448c618..4c0ccc5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,13 @@
 # preamble
 project( Lsyncd )
 cmake_minimum_required( VERSION 3.5 )
-set( LSYNCD_VERSION 2.3.0 )
+
+# extract version
+file(STRINGS "lsyncd.lua" LSYNCD_VERSION_RAW REGEX "lsyncd_version = '.*'")
+string(REGEX REPLACE "lsyncd_version = \'(.*)\'"
+       "\\1" LSYNCD_VERSION
+       ${LSYNCD_VERSION_RAW})
+
 set( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/" )