Basic standalone Debian package

Author: timangus

.github/workflows/build.yml

@@ -67,6 +67,8 @@ jobs:
         cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release
         cmake --build build
         echo "VERSION=$(cat build/version.txt)" >> $GITHUB_ENV
+        cpack --config build/CPackConfig.cmake -B build/installer --verbose
+        mv build/installer/*.deb build/Release
     - name: Upload
       uses: actions/upload-artifact@v4
       with:

cmake/identity.cmake

@@ -17,4 +17,5 @@ set(MACOS_BUNDLE_ID org.ioquake.${CLIENT_NAME})
 
 set(COPYRIGHT "QUAKE III ARENA Copyright © 1999-2000 id Software, Inc. All rights reserved.")
 
+set(CONTACT_EMAIL "email@ioquake3.org")
 set(PROTOCOL_HANDLER_SCHEME quake3)

cmake/installer.cmake

@@ -24,6 +24,7 @@ set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
 set(CPACK_PACKAGE_INSTALL_DIRECTORY ${PROJECT_NAME})
 set(CPACK_PACKAGE_EXECUTABLES ${CLIENT_NAME} ${PROJECT_NAME})
 set(CPACK_PACKAGE_FILE_NAME ${PROJECT_NAME}-${PRODUCT_VERSION})
+set(CPACK_PACKAGE_CONTACT ${CONTACT_EMAIL})
 set(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_SOURCE_DIR}/COPYING.txt)
 
 include(CPack)

cmake/platforms/linux.cmake

@@ -7,3 +7,6 @@ endif()
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
     set_property(CACHE CMAKE_INSTALL_PREFIX PROPERTY VALUE /opt/quake3)
 endif()
+
+set(CPACK_GENERATOR "DEB")
+set(CPACK_PACKAGING_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX})