From: Jason Rhinelander <jason@imaginary.ca>
Date: Fri, 13 Dec 2019 17:23:41 -0400
Subject: Pass debian version as GIT_VERSION

---
 cmake/Version.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmake/Version.cmake b/cmake/Version.cmake
index 45037a0..d9fdaef 100644
--- a/cmake/Version.cmake
+++ b/cmake/Version.cmake
@@ -1,4 +1,8 @@
 
+if(GIT_VERSION)
+  set(VERSIONTAG "${GIT_VERSION}")
+  configure_file("${CMAKE_CURRENT_SOURCE_DIR}/constants/version.cpp.in" "${CMAKE_CURRENT_BINARY_DIR}/constants/version.cpp")
+else()
 find_package(Git QUIET)
 set(GIT_INDEX_FILE "${PROJECT_SOURCE_DIR}/.git/index")
 if(EXISTS ${GIT_INDEX_FILE} AND ( GIT_FOUND OR Git_FOUND) )
@@ -18,5 +22,6 @@ else()
   set(VERSIONTAG "nogit")
   configure_file("${CMAKE_CURRENT_SOURCE_DIR}/constants/version.cpp.in" "${CMAKE_CURRENT_BINARY_DIR}/constants/version.cpp")
 endif()
+endif()
 
 add_custom_target(genversion DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/constants/version.cpp")