build: get verson from git

CMakeLists.txt

@@ -21,15 +21,64 @@
 # > See https://reproducible-builds.org/specs/source-date-epoch/ for details.
 cmake_minimum_required(VERSION 3.8)
 
-project(deskflow C CXX)
+# Fallback for when git can not be found
+set(DESKFLOW_VERSION_MAJOR 1)
+set(DESKFLOW_VERSION_MINOR 17)
+set(DESKFLOW_VERSION_PATCH 0)
+set(DESKFLOW_VERSION_TWEAK 0)
+
+# Get the version from git if it's a git repository
+# cmake-format: off
+if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git)
+  find_package(Git)
+  if(GIT_FOUND)
+    execute_process(
+      COMMAND ${GIT_EXECUTABLE} describe --long --match v* --always
+      WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+      OUTPUT_VARIABLE GITREV
+      ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
+    string(FIND ${GITREV} "v" isRev)
+    if(NOT ifRev EQUAL -1)
+      string(REGEX MATCH [0-9]+ MAJOR ${GITREV})
+      string(REGEX MATCH \\.[0-9]+ MINOR ${GITREV})
+      string(REPLACE "." "" MINOR "${MINOR}")
+      string(REGEX MATCH [0-9]+\- PATCH ${GITREV})
+      string(REPLACE "-" "" PATCH "${PATCH}")
+      string(REGEX MATCH \-[0-9]+\- TWEAK ${GITREV})
+      string(REPLACE "-" "" TWEAK "${TWEAK}")
+      set(DESKFLOW_VERSION_MAJOR ${MAJOR})
+      set(DESKFLOW_VERSION_MINOR ${MINOR})
+      set(DESKFLOW_VERSION_PATCH ${PATCH})
+      set(DESKFLOW_VERSION_TWEAK ${TWEAK})
+    elseif(NOT ${GITREV} STREQUAL "")
+      set(DESKFLOW_VERSION_TWEAK ${GITREV})
+    endif()
+  endif()
+endif()
+# cmake-format: on
+
+set(DESKFLOW_VERSION
+    "${DESKFLOW_VERSION_MAJOR}.${DESKFLOW_VERSION_MINOR}.${DESKFLOW_VERSION_PATCH}.${DESKFLOW_VERSION_TWEAK}"
+)
+set(DESKFLOW_VERSION_MS_CSV
+    "${DESKFLOW_VERSION_MAJOR},${DESKFLOW_VERSION_MINOR},${DESKFLOW_VERSION_PATCH},${DESKFLOW_VERSION_TWEAK}"
+)
+
+add_definitions(-DDESKFLOW_VERSION="${DESKFLOW_VERSION}")
+
+#Define our project
+project(
+  deskflow
+  VERSION ${DESKFLOW_VERSION}
+  LANGUAGES C CXX)
+
+message(STATUS "Building ${CMAKE_PROJECT_NAME}-${CMAKE_PROJECT_VERSION}")
 
-include(cmake/Version.cmake)
 include(cmake/Definitions.cmake)
 include(cmake/Build.cmake)
 include(cmake/Libraries.cmake)
 include(cmake/Packaging.cmake)
 
-set_version()
 configure_definitions()
 configure_build()
 configure_libs()

cmake/CPackOptions.cmake.in

@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2022 - 2023 Chris Rizzitello <sithlord48@gmail.com>
+# SPDX-License-Identifier: MIT
+
+#This File is generated at CONFIGURE time
+#This file is run at CPACK Time
+
+#Do not set CPACK used CMAKE_* Vars here
+#    some Generators will fail if you do
+
+#These installs must not use "continuous"
+if(CPACK_GENERATOR MATCHES DEB|WIX|RPM)
+    set(CPACK_PACKAGE_VERSION @CMAKE_PROJECT_VERSION@)
+endif()

cmake/Packaging.cmake

@@ -20,6 +20,9 @@
 macro(configure_packaging)
 
   set(DESKFLOW_PROJECT_RES_DIR ${PROJECT_SOURCE_DIR}/res)
+  configure_file(${CMAKE_SOURCE_DIR}/cmake/CPackOptions.cmake.in
+                 ${CMAKE_BINARY_DIR}/cmake/CPackOptions.cmake @ONLY)
+  set(CPACK_PROJECT_CONFIG_FILE ${CMAKE_CURRENT_BINARY_DIR}/CPackOptions.cmake)
 
   if(${BUILD_INSTALLER})
     set(CPACK_PACKAGE_NAME ${DESKFLOW_APP_ID})
@@ -28,6 +31,9 @@ macro(configure_packaging)
     set(CPACK_PACKAGE_VENDOR ${DESKFLOW_AUTHOR_NAME})
     set(CPACK_RESOURCE_FILE_LICENSE ${PROJECT_SOURCE_DIR}/LICENSE)
 
+    if(NOT CPACK_PACKAGE_VERSION)
+      set(CPACK_PACKAGE_VERSION ${DESKFLOW_VERSION})
+    endif()
     if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
       configure_windows_packaging()
     elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
@@ -52,7 +58,6 @@ macro(configure_windows_packaging)
 
   message(VERBOSE "Configuring Windows installer")
 
-  set(CPACK_PACKAGE_VERSION ${DESKFLOW_VERSION_MS})
   set(QT_PATH $ENV{CMAKE_PREFIX_PATH})
 
   set(DESKFLOW_MSI_64_GUID
@@ -75,8 +80,6 @@ macro(configure_mac_packaging)
 
   message(VERBOSE "Configuring macOS app bundle")
 
-  set(CPACK_PACKAGE_VERSION ${DESKFLOW_VERSION})
-
   set(CMAKE_INSTALL_RPATH
       "@loader_path/../Libraries;@loader_path/../Frameworks")
   set(DESKFLOW_BUNDLE_SOURCE_DIR
@@ -99,7 +102,6 @@ macro(configure_linux_packaging)
 
   message(VERBOSE "Configuring Linux packaging")
 
-  set(CPACK_PACKAGE_VERSION ${DESKFLOW_VERSION_LINUX})
   set(CPACK_GENERATOR "DEB;RPM")
 
   set(CPACK_DEBIAN_PACKAGE_MAINTAINER ${DESKFLOW_MAINTAINER})

cmake/Version.cmake

@@ -1,94 +0,0 @@
-# Deskflow -- mouse and keyboard sharing utility
-# Copyright (C) 2012-2024 Symless Ltd.
-# Copyright (C) 2009-2012 Nick Bolton
-#
-# This package is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# found in the file LICENSE that should have accompanied this file.
-#
-# This package is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# Either get the version number from the environment or from the VERSION file.
-# On Windows, we also set a special 4-digit MSI version number.
-macro(set_version)
-
-  set(DESKFLOW_VERSION $ENV{DESKFLOW_VERSION})
-  string(STRIP "${DESKFLOW_VERSION}" DESKFLOW_VERSION)
-
-  if(NOT DESKFLOW_VERSION)
-    file(READ "${PROJECT_SOURCE_DIR}/VERSION" DESKFLOW_VERSION)
-    string(STRIP "${DESKFLOW_VERSION}" DESKFLOW_VERSION)
-  endif()
-
-  message(STATUS "Version number (semver): " ${DESKFLOW_VERSION})
-  add_definitions(-DDESKFLOW_VERSION="${DESKFLOW_VERSION}")
-
-  # Useful for copyright (e.g. in macOS bundle .plist.in and Windows version .rc
-  # file)
-  string(TIMESTAMP DESKFLOW_BUILD_YEAR "%Y")
-
-  if(${CMAKE_SYSTEM_NAME} MATCHES "Windows")
-    set_windows_version()
-  elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
-    set_linux_version()
-  endif()
-
-endmacro()
-
-macro(set_four_part_version)
-
-  string(REGEX MATCH "^([0-9]+)\\.([0-9]+)\\.([0-9]+)" _ "${DESKFLOW_VERSION}")
-  set(VERSION_MAJOR "${CMAKE_MATCH_1}")
-  set(VERSION_MINOR "${CMAKE_MATCH_2}")
-  set(VERSION_PATCH "${CMAKE_MATCH_3}")
-
-  # Find the revision number, which is the number after the 'r'.
-  string(REGEX MATCH "r([0-9]+)$" _ "${DESKFLOW_VERSION}")
-  set(VERSION_REVISION "${CMAKE_MATCH_1}")
-  if(NOT VERSION_REVISION)
-    set(VERSION_REVISION "0")
-  endif()
-
-  set(DESKFLOW_VERSION_FOUR_PART
-      "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}.${VERSION_REVISION}")
-
-endmacro()
-
-# MSI requires a 4-digit number and doesn't accept semver.
-macro(set_windows_version)
-
-  set_four_part_version()
-
-  # Dot-separated version number for MSI and Windows version .rc file.
-  set(DESKFLOW_VERSION_MS ${DESKFLOW_VERSION_FOUR_PART})
-  message(VERBOSE "Version number for (Microsoft 4-part): "
-          ${DESKFLOW_VERSION_MS})
-
-  # CSV version number for Windows version .rc file.
-  set(DESKFLOW_VERSION_MS_CSV
-      "${VERSION_MAJOR},${VERSION_MINOR},${VERSION_PATCH},${VERSION_REVISION}")
-  message(VERBOSE "Version number for (Microsoft CSV): "
-          ${DESKFLOW_VERSION_MS_CSV})
-endmacro()
-
-macro(set_linux_version)
-
-  # Replace the first occurrence of '-' with '~' for Linux versioning; the '-'
-  # char is reserved for use at at the end of the version string to indicate a
-  # package revision. Debian has always used this convention, but support for
-  # this was also introduced in RPM 4.10.0.
-  string(REGEX REPLACE "-" "~" DESKFLOW_VERSION_LINUX "${DESKFLOW_VERSION}")
-  message(STATUS "Version number (DEB/RPM): ${DESKFLOW_VERSION_LINUX}")
-
-  # Arch does not support SemVer or DEB/RPM version format, so use the four-part
-  # version format which funnily enough is what Microsoft requires for MSI.
-  set_four_part_version()
-  message(STATUS "Version number (4-part): ${DESKFLOW_VERSION_FOUR_PART}")
-
-endmacro()

res/dist/arch/PKGBUILD.in

@@ -1,7 +1,7 @@
 # Maintainer: @DESKFLOW_MAINTAINER@
 
 pkgname=@DESKFLOW_APP_ID@
-pkgver=@DESKFLOW_VERSION_FOUR_PART@
+pkgver=@DESKFLOW_VERSION@
 pkgrel=1
 pkgdesc="Mouse and keyboard sharing utility"
 url='@DESKFLOW_WEBSITE_URL@'

res/dist/wix/Include.wxi.in

@@ -2,7 +2,7 @@
 <Include>
     <?define AppId="@DESKFLOW_APP_ID@"?>
     <?define Name="@DESKFLOW_APP_NAME@"?>
-    <?define Version="@DESKFLOW_VERSION_MS@"?>
+    <?define Version="@DESKFLOW_VERSION@"?>
     <?define Author="@DESKFLOW_AUTHOR_NAME@"?>
     <?define BinDir="@CMAKE_RUNTIME_OUTPUT_DIRECTORY@"?>
     <?define ProjectResDir="@DESKFLOW_PROJECT_RES_DIR@"?>