From 9c7eba4431cef294e96ec6544013ce082c596ba6 Mon Sep 17 00:00:00 2001
From: Robin Mueller <muellerr@irs.uni-stuttgart.de>
Date: Fri, 22 Apr 2022 14:47:28 +0200
Subject: [PATCH] git version handler more robust now

---
 CMakeLists.txt | 40 +++++++++++++++++++++++++---------------
 1 file changed, 25 insertions(+), 15 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e54a4b80..9066cec2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,9 @@
 cmake_minimum_required(VERSION 3.13)
 
+set(FSFW_VERSION_IF_GIT_FAILS 4)
+set(FSFW_SUBVERSION_IF_GIT_FAILS 0)
+set(FSFW_REVISION_IF_GIT_FAILS 0)
+
 # Add the cmake folder so the FindSphinx module is found
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" )
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake-modules")
@@ -44,21 +48,27 @@ project(${LIB_FSFW_NAME})
 add_library(${LIB_FSFW_NAME})
 
 # Version handling
-include(helpers)
-determine_version_with_git()
-set(FSFW_GIT_INFO ${GIT_INFO} CACHE STRING "Version information retrieved with git describe")
-list(GET FSFW_GIT_INFO 1 FSFW_VERSION)
-list(GET FSFW_GIT_INFO 2 FSFW_SUBVERSION)
-list(GET FSFW_GIT_INFO 3 FSFW_REVISION)
-list(GET FSFW_GIT_INFO 4 FSFW_VERSION_CST_GIT_SHA1)
-if(NOT FSFW_VERSION)
-    set(FSFW_VERSION -1)
-endif()
-if(NOT FSFW_SUBVERSION)
-    set(FSFW_SUBVERSION -1)
-endif()
-if(NOT FSFW_REVISION)
-    set(FSFW_REVISION -1)
+if(EXISTS .git)
+    include(helpers)
+    determine_version_with_git("--exclude" "docker_*")
+    set(FSFW_GIT_INFO ${GIT_INFO} CACHE STRING "Version information retrieved with git describe")
+    list(GET FSFW_GIT_INFO 1 FSFW_VERSION)
+    list(GET FSFW_GIT_INFO 2 FSFW_SUBVERSION)
+    list(GET FSFW_GIT_INFO 3 FSFW_REVISION)
+    list(GET FSFW_GIT_INFO 4 FSFW_VERSION_CST_GIT_SHA1)
+    if(NOT FSFW_VERSION)
+        set(FSFW_VERSION ${FSFW_VERSION_IF_GIT_FAILS})
+    endif()
+    if(NOT FSFW_SUBVERSION)
+        set(FSFW_SUBVERSION ${FSFW_SUBVERSION_IF_GIT_FAILS})
+    endif()
+    if(NOT FSFW_REVISION)
+        set(FSFW_REVISION ${FSFW_REVISION_IF_GIT_FAILS})
+    endif()
+else()
+    set(FSFW_VERSION ${FSFW_VERSION_IF_GIT_FAILS})
+    set(FSFW_SUBVERSION ${FSFW_SUBVERSION_IF_GIT_FAILS})
+    set(FSFW_REVISION ${FSFW_REVISION_IF_GIT_FAILS})
 endif()
 
 if(FSFW_BUILD_UNITTESTS)