From 235707c9163d7ba73bbb9cbd70cf74d3aed6285c Mon Sep 17 00:00:00 2001
From: Bartek Kryza <bkryza@gmail.com>
Date: Sun, 8 Jan 2023 17:41:59 +0100
Subject: [PATCH] Added Windows installer target using CPack and NSIS

---
 CMakeLists.txt      | 56 ++++++++++++++++++++++++++++++++++++++++++++-
 LICENSE.md          |  2 +-
 packaging/README.md | 10 ++++++++
 3 files changed, 66 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2bb0f79..f72fd95d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,35 @@ set(UML_HEADERS_DIR ${PROJECT_SOURCE_DIR}/src/uml)
 #
 option(LINK_LLVM_SHARED "Should LLVM be linked using shared libraries or statically" ON)
 set(LLVM_VERSION CACHE STRING "Path to custom llvm-config executable")
-set(GIT_VERSION "0.3.0" CACHE STRING "clang-uml version")
+
+#
+# Setup version string
+#
+find_package(Git)
+
+if(NOT DEFINED GIT_VERSION)
+    if(GIT_EXECUTABLE)
+        execute_process(
+                COMMAND ${GIT_EXECUTABLE} describe --tags --always --abbrev=7
+                WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+                OUTPUT_VARIABLE GIT_VERSION
+                RESULT_VARIABLE GIT_ERROR_CODE
+                OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+    endif(GIT_EXECUTABLE)
+endif(NOT DEFINED GIT_VERSION)
+
+if(NOT DEFINED GIT_VERSION)
+    set(GIT_VERSION "0.0.0-unknown")
+endif(NOT DEFINED GIT_VERSION)
+
+string(REGEX MATCH "^([0-9]+)\\.([0-9]+)\\.(.+)"
+        GIT_VERSION_MATCH ${GIT_VERSION})
+set(GIT_VERSION_MAJOR ${CMAKE_MATCH_1})
+set(GIT_VERSION_MINOR ${CMAKE_MATCH_2})
+set(GIT_VERSION_PATCH ${CMAKE_MATCH_3})
+
+message(STATUS "clang-uml version: ${GIT_VERSION_MAJOR}.${GIT_VERSION_MINOR}.${GIT_VERSION_PATCH}")
 
 #
 # Setup LLVM
@@ -214,6 +242,32 @@ install(TARGETS clang-uml DESTINATION ${CMAKE_INSTALL_BINDIR})
 install(FILES LICENSE.md DESTINATION ${CMAKE_INSTALL_DOCDIR})
 install(FILES README.md DESTINATION ${CMAKE_INSTALL_DOCDIR})
 
+#
+# Setup installer
+#
+set(CPACK_PACKAGE_NAME "clang-uml")
+set(CPACK_PACKAGE_VENDOR "Bartek Kryza <bkryza@gmail.com>")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "clang-uml - C++ UML diagram generator based on Clang")
+set(CPACK_PACKAGE_VERSION "${GIT_VERSION}")
+set(CPACK_PACKAGE_VERSION_MAJOR "${GIT_VERSION_MAJOR}")
+set(CPACK_PACKAGE_VERSION_MINOR "${GIT_VERSION_MINOR}")
+set(CPACK_PACKAGE_VERSION_PATCH "${GIT_VERSION_PATCH}")
+set(CPACK_PACKAGE_INSTALL_DIRECTORY "clang-uml")
+set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.md)
+
+if(MSVC)
+    set(CPACK_GENERATOR "NSIS")
+    set(CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL ON)
+    set(CPACK_NSIS_DISPLAY_NAME "clang-uml")
+    set(CPACK_NSIS_HELP_LINK "https://github.com/bkryza/clang-uml")
+    set(CPACK_NSIS_URL_INFO_ABOUT "https://github.com/bkryza/clang-uml")
+    set(CPACK_NSIS_CONTACT "Bartek Kryza <bkryza@gmail.com>")
+    set(CPACK_NSIS_MODIFY_PATH ON)
+    set(CPACK_SOURCE_GENERATOR "ZIP")
+endif(MSVC)
+
+include(CPack)
+
 #
 # Enable testing via CTest
 #
diff --git a/LICENSE.md b/LICENSE.md
index 84a5a44c..f594bdeb 100644
--- a/LICENSE.md
+++ b/LICENSE.md
@@ -179,7 +179,7 @@ recommend that a file or class name and description of purpose be included on
 the same “printed page” as the copyright notice for easier identification within
 third-party archives.
 
-    Copyright [yyyy] [name of copyright owner]
+    Copyright 2021-2023 Bartek Kryza <bkryza@gmail.com>
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
diff --git a/packaging/README.md b/packaging/README.md
index 5747277b..438e7cc5 100644
--- a/packaging/README.md
+++ b/packaging/README.md
@@ -38,4 +38,14 @@ docker run --rm -v $PWD:$PWD continuumio/miniconda3 bash
 conda install conda-build make
 cd packaging
 make CONDA_TOKEN=<TOKEN> conda
+```
+
+## Windows
+
+First build release configuration using `cmake` and `msbuild` according
+to the [documentation](../docs/installation.md#visual-studio-native-build).
+
+```bash
+cd <MSBUILD_BUILD_DIRECTORY>
+cpack -C "Release" -G NSIS64
 ```
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