| cmake_minimum_required(VERSION 3.17) |
| project(TestRVM LANGUAGES NONE) |
| |
| include(CTest) |
| |
| # To run this test, you need to have at least one RVM ruby installed |
| # and to ensure that the env variable 'MY_RUBY_HOME' is set to a valid RVM ruby when you run the test |
| # (which is the case if you have done `rvm use x.y.z`, but could be manually set too) |
| |
| # Properly using rvm would require sourcing a shell script, eg `source "$HOME/.rvm/scripts/rvm"` |
| # Instead, I'll just rely on the env variable MY_RUBY_HOME |
| set(MY_RUBY_HOME "$ENV{MY_RUBY_HOME}") |
| if(NOT MY_RUBY_HOME) |
| message(FATAL_ERROR "Env variable MY_RUBY_HOME should be set to a valid RVM ruby location, or you should call `rvm use x.y.z` before") |
| endif() |
| execute_process (COMMAND "${MY_RUBY_HOME}/bin/ruby" -e "puts RUBY_VERSION" |
| RESULT_VARIABLE result |
| OUTPUT_VARIABLE RVM_RUBY_VERSION |
| ERROR_QUIET |
| OUTPUT_STRIP_TRAILING_WHITESPACE) |
| |
| if (result) |
| message (FATAL_ERROR "Unable to detect RVM ruby version from `${MY_RUBY_HOME}/bin/ruby`: ${RVM_RUBY_VERSION}") |
| endif() |
| |
| execute_process(COMMAND "${CMAKE_COMMAND}" -E env --unset=MY_RUBY_HOME --unset=PATH |
| "which" "ruby" |
| RESULT_VARIABLE result |
| OUTPUT_VARIABLE SYSTEM_RUBY |
| ERROR_QUIET |
| OUTPUT_STRIP_TRAILING_WHITESPACE) |
| |
| if (SYSTEM_RUBY MATCHES "^${MY_RUBY_HOME}/.+") |
| message(FATAL_ERROR "Unable to find system ruby, found ${SYSTEM_RUBY} which is part of MY_RUBY_HOME=${MY_RUBY_HOME}") |
| endif() |
| |
| # Check version of the system ruby executable. |
| execute_process (COMMAND "${SYSTEM_RUBY}" -e "puts RUBY_VERSION" |
| RESULT_VARIABLE result |
| OUTPUT_VARIABLE SYSTEM_RUBY_VERSION |
| ERROR_QUIET |
| OUTPUT_STRIP_TRAILING_WHITESPACE) |
| |
| if (result) |
| message (FATAL_ERROR "Unable to detect system ruby version from '${SYSTEM_RUBY}': ${SYSTEM_RUBY_VERSION}") |
| endif() |
| |
| if(SYSTEM_RUBY_VERSION VERSION_EQUAL RVM_RUBY_VERSION) |
| message(FATAL_ERROR "Your RVM Ruby Version and your System ruby version are the same (${RVM_RUBY_VERSION}).") |
| endif() |
| |
| message("Found System Ruby (${SYSTEM_RUBY_VERSION}): ${SYSTEM_RUBY}") |
| message("Found RVM Ruby (${RVM_RUBY_VERSION}): ${MY_RUBY_HOME}/bin/ruby") |
| |
| add_test(NAME FindRuby.RvmDefault |
| COMMAND "${CMAKE_COMMAND}" -E env "MY_RUBY_HOME=${MY_RUBY_HOME}" |
| "${CMAKE_COMMAND}" "-DRUBY_HOME=${MY_RUBY_HOME}" |
| -P "${CMAKE_CURRENT_LIST_DIR}/RvmDefault.cmake") |
| |
| add_test(NAME FindRuby.RvmOnly |
| COMMAND "${CMAKE_COMMAND}" -E env --unset=PATH |
| "MY_RUBY_HOME=${MY_RUBY_HOME}" |
| "${CMAKE_COMMAND}" "-DRUBY_HOME=${MY_RUBY_HOME}" |
| "-DRVM_RUBY_VERSION=${RVM_RUBY_VERSION}" "-DSYSTEM_RUBY_VERSION=${SYSTEM_RUBY_VERSION}" |
| -P "${CMAKE_CURRENT_LIST_DIR}/RvmOnly.cmake") |
| add_test(NAME FindRuby.UnsetRvmOnly |
| COMMAND "${CMAKE_COMMAND}" -E env --unset=MY_RUBY_HOME "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" |
| "${CMAKE_COMMAND}" "-DRVM_RUBY_VERSION=${RVM_RUBY_VERSION}" "-DSYSTEM_RUBY_VERSION=${SYSTEM_RUBY_VERSION}" |
| -P "${CMAKE_CURRENT_LIST_DIR}/RvmOnly.cmake") |
| |
| add_test(NAME FindRuby.RvmStandard |
| COMMAND "${CMAKE_COMMAND}" -E env "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" |
| "MY_RUBY_HOME=${MY_RUBY_HOME}" |
| "${CMAKE_COMMAND}" "-DRUBY_HOME=${MY_RUBY_HOME}" |
| -P "${CMAKE_CURRENT_LIST_DIR}/RvmStandard.cmake") |
