From 816177f9be66f428fe86797eb46238118b208528 Mon Sep 17 00:00:00 2001
From: Matthias Maier <tamiko@43-1.org>
Date: Mon, 3 Jul 2023 11:27:00 -0500
Subject: [PATCH] CMake: record git information in a separate configuration
 file

---
 cmake/config/CMakeLists.txt     | 11 +++++++++++
 cmake/config/Config.cmake.in    |  8 ++------
 cmake/config/ConfigGit.cmake.in | 25 +++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 6 deletions(-)
 create mode 100644 cmake/config/ConfigGit.cmake.in

diff --git a/cmake/config/CMakeLists.txt b/cmake/config/CMakeLists.txt
index f66e213095..bb0da8f0b6 100644
--- a/cmake/config/CMakeLists.txt
+++ b/cmake/config/CMakeLists.txt
@@ -98,6 +98,11 @@ configure_file(
   ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}Config.cmake
   @ONLY
   )
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/ConfigGit.cmake.in
+  ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}ConfigGit.cmake
+  @ONLY
+  )
 configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/ConfigVersion.cmake.in
   ${CMAKE_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}ConfigVersion.cmake
@@ -115,6 +120,11 @@ configure_file(
   ${CMAKE_CURRENT_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_NAME}Config.cmake
   @ONLY
   )
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/ConfigGit.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_NAME}ConfigGit.cmake
+  @ONLY
+  )
 configure_file(
   ${CMAKE_CURRENT_SOURCE_DIR}/ConfigVersion.cmake.in
   ${CMAKE_CURRENT_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_NAME}ConfigVersion.cmake
@@ -122,6 +132,7 @@ configure_file(
   )
 install(FILES
   ${CMAKE_CURRENT_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_NAME}Config.cmake
+  ${CMAKE_CURRENT_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_NAME}ConfigGit.cmake
   ${CMAKE_CURRENT_BINARY_DIR}/${DEAL_II_PROJECT_CONFIG_NAME}ConfigVersion.cmake
   DESTINATION ${DEAL_II_PROJECT_CONFIG_RELDIR}
   COMPONENT library
diff --git a/cmake/config/Config.cmake.in b/cmake/config/Config.cmake.in
index 2c1cc2c3d3..72b2467f01 100644
--- a/cmake/config/Config.cmake.in
+++ b/cmake/config/Config.cmake.in
@@ -34,11 +34,6 @@ set(DEAL_II_VERSION_MINOR "@DEAL_II_VERSION_MINOR@")
 set(DEAL_II_VERSION_SUBMINOR "@DEAL_II_VERSION_SUBMINOR@")
 set(DEAL_II_VERSION "@DEAL_II_VERSION@")
 
-set(DEAL_II_GIT_BRANCH "@DEAL_II_GIT_BRANCH@")
-set(DEAL_II_GIT_REVISION "@DEAL_II_GIT_REVISION@")
-set(DEAL_II_GIT_SHORTREV "@DEAL_II_GIT_SHORTREV@")
-set(DEAL_II_GIT_TAG "@DEAL_II_GIT_TAG@")
-
 set(DEAL_II_PROJECT_CONFIG_NAME "@DEAL_II_PROJECT_CONFIG_NAME@")
 
 set(DEAL_II_BUILD_TYPE "@CMAKE_BUILD_TYPE@")
@@ -140,9 +135,10 @@ set(DEAL_II_MPIEXEC_PREFLAGS "@MPIEXEC_PREFLAGS@")
 set(DEAL_II_MPIEXEC_POSTFLAGS "@MPIEXEC_POSTFLAGS@")
 
 #
-# Information about library targets and feature configuration
+# Information about git revision, library targets and feature configuration
 #
 
+set(DEAL_II_GIT_CONFIG "${DEAL_II_PATH}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}Git.cmake")
 set(DEAL_II_TARGET_CONFIG "${DEAL_II_PATH}/${DEAL_II_PROJECT_CONFIG_RELDIR}/${DEAL_II_PROJECT_CONFIG_NAME}Targets.cmake")
 
 #
diff --git a/cmake/config/ConfigGit.cmake.in b/cmake/config/ConfigGit.cmake.in
new file mode 100644
index 0000000000..c3ba66e2a9
--- /dev/null
+++ b/cmake/config/ConfigGit.cmake.in
@@ -0,0 +1,25 @@
+## ---------------------------------------------------------------------
+##
+## Copyright (C) 2023 - 2023 by the deal.II authors
+##
+## This file is part of the deal.II library.
+##
+## The deal.II library is free software; you can use it, redistribute
+## it, and/or modify it under the terms of the GNU Lesser General
+## Public License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+## The full text of the license can be found in the file LICENSE.md at
+## the top level directory of deal.II.
+##
+## ---------------------------------------------------------------------
+
+
+#
+# Git information
+#
+
+set(DEAL_II_GIT_BRANCH "@DEAL_II_GIT_BRANCH@")
+set(DEAL_II_GIT_REVISION "@DEAL_II_GIT_REVISION@")
+set(DEAL_II_GIT_SHORTREV "@DEAL_II_GIT_SHORTREV@")
+set(DEAL_II_GIT_TAG "@DEAL_II_GIT_TAG@")
+
-- 
2.39.5