Fix: [bundle] postfix the distribution for Linux bundles

cmake/InstallAndPackage.cmake

@@ -121,7 +121,24 @@ elseif(UNIX)
         set(CPACK_GENERATOR "TXZ")
     endif()
 
-    set(CPACK_PACKAGE_FILE_NAME "openttd-#CPACK_PACKAGE_VERSION#-linux-${CPACK_SYSTEM_NAME}")
+    find_program(LSB_RELEASE_EXEC lsb_release)
+    execute_process(COMMAND ${LSB_RELEASE_EXEC} -is
+        OUTPUT_VARIABLE LSB_RELEASE_ID
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    if(NOT LSB_RELEASE_ID)
+        set(PLATFORM "generic")
+    elseif(LSB_RELEASE_ID STREQUAL "Ubuntu" OR LSB_RELEASE_ID STREQUAL "Debian")
+        execute_process(COMMAND ${LSB_RELEASE_EXEC} -cs
+            OUTPUT_VARIABLE LSB_RELEASE_CODENAME
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+        string(TOLOWER "${LSB_RELEASE_ID}-${LSB_RELEASE_CODENAME}" PLATFORM)
+    else()
+        message(FATAL_ERROR "Unknown Linux distribution found for packaging; please consider creating a Pull Request to add support for this distribution.")
+    endif()
+
+    set(CPACK_PACKAGE_FILE_NAME "openttd-#CPACK_PACKAGE_VERSION#-linux-${PLATFORM}-${CPACK_SYSTEM_NAME}")
 else()
     message(FATAL_ERROR "Unknown OS found for packaging; please consider creating a Pull Request to add support for this OS.")
 endif()