MDEV-24292 support semi-independent versioning for sub-packages

3. Embed plugin version into the DEB package version

this assumes that -DDEB is only used from within autobake-deb.sh

cmake/cpack_deb.cmake

@@ -7,5 +7,18 @@ SET(CPACK_COMPONENT_SERVER_GROUP "server")
 SET(CPACK_COMPONENT_README_GROUP "server")
 SET(CPACK_COMPONENTS_ALL Server Test SharedLibraries)
 SET(PYTHON_SHEBANG "/usr/bin/python3" CACHE STRING "python shebang")
+
+FUNCTION(SET_PLUGIN_DEB_VERSION plugin ver)
+  STRING(REPLACE "_" "-" plugin ${plugin})
+  STRING(REPLACE "-" "." serverver ${SERVER_VERSION})
+  STRING(REPLACE ${SERVER_VERSION} ${serverver} ver ${ver})
+  FILE(READ ${CMAKE_SOURCE_DIR}/debian/changelog changelog)
+  STRING(REPLACE ${serverver} ${ver} changelog "${changelog}")
+  FILE(WRITE ${CMAKE_SOURCE_DIR}/debian/mariadb-plugin-${plugin}.changelog "${changelog}")
+ENDFUNCTION()
+
+ELSE(DEB)
+FUNCTION(SET_PLUGIN_DEB_VERSION plugin ver)
+ENDFUNCTION()
 ENDIF(DEB)
 

cmake/plugin.cmake

@@ -259,6 +259,7 @@ MACRO(MYSQL_ADD_PLUGIN)
         SET(CPACK_RPM_${ARG_COMPONENT}_USER_FILELIST ${ignored} PARENT_SCOPE)
         IF (ARG_VERSION)
           SET(CPACK_RPM_${ARG_COMPONENT}_PACKAGE_VERSION ${SERVER_VERSION}_${ARG_VERSION} PARENT_SCOPE)
+          SET_PLUGIN_DEB_VERSION(${target} ${SERVER_VERSION}-${ARG_VERSION})
         ENDIF()
         IF(NOT ARG_CLIENT AND UNIX)
           IF (NOT ARG_CONFIG)