95 lines
3.3 KiB
CMake
95 lines
3.3 KiB
CMake
# Set the ExternalProject GIT_TAG to desired_tag, and make sure the
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# resulting checked out version is resulting_sha and rebuild.
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# This check's the correct behavior of the ExternalProject UPDATE_COMMAND.
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# Also verify that a fetch only occurs when fetch_expected is 1.
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macro(check_a_tag desired_tag resulting_sha fetch_expected)
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message( STATUS "Checking ExternalProjectUpdate to tag: ${desired_tag}" )
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# Remove the FETCH_HEAD file, so we can check if it gets replaced with a 'git
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# fetch'.
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set( FETCH_HEAD_file ${ExternalProjectUpdate_BINARY_DIR}/CMakeExternals/Source/TutorialStep1-GIT/.git/FETCH_HEAD )
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file( REMOVE ${FETCH_HEAD_file} )
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# Configure
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execute_process(COMMAND ${CMAKE_COMMAND}
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-G ${CMAKE_TEST_GENERATOR}
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-DTEST_GIT_TAG:STRING=${desired_tag}
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${ExternalProjectUpdate_SOURCE_DIR}
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WORKING_DIRECTORY ${ExternalProjectUpdate_BINARY_DIR}
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RESULT_VARIABLE error_code
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)
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if(error_code)
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message(FATAL_ERROR "Could not configure the project.")
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endif()
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# Build
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execute_process(COMMAND ${CMAKE_COMMAND}
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--build ${ExternalProjectUpdate_BINARY_DIR}
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RESULT_VARIABLE error_code
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)
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if(error_code)
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message(FATAL_ERROR "Could not build the project.")
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endif()
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# Check the resulting SHA
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execute_process(COMMAND ${GIT_EXECUTABLE}
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rev-list --max-count=1 HEAD
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WORKING_DIRECTORY ${ExternalProjectUpdate_BINARY_DIR}/CMakeExternals/Source/TutorialStep1-GIT
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RESULT_VARIABLE error_code
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OUTPUT_VARIABLE tag_sha
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(error_code)
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message(FATAL_ERROR "Could not check the sha.")
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endif()
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if(NOT (${tag_sha} STREQUAL ${resulting_sha}))
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message(FATAL_ERROR "UPDATE_COMMAND produced
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${tag_sha}
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when
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${resulting_sha}
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was expected."
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)
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endif()
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if( NOT EXISTS ${FETCH_HEAD_file} AND ${fetch_expected})
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message( FATAL_ERROR "Fetch did NOT occur when it was expected.")
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endif()
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if( EXISTS ${FETCH_HEAD_file} AND NOT ${fetch_expected})
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message( FATAL_ERROR "Fetch DID occur when it was not expected.")
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endif()
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endmacro()
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find_package(Git)
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set(do_git_tests 0)
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if(GIT_EXECUTABLE)
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set(do_git_tests 1)
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execute_process(
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COMMAND "${GIT_EXECUTABLE}" --version
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OUTPUT_VARIABLE ov
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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string(REGEX REPLACE "^git version (.+)$" "\\1" git_version "${ov}")
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message(STATUS "git_version='${git_version}'")
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if(git_version VERSION_LESS 1.6.5)
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message(STATUS "No ExternalProject git tests with git client less than version 1.6.5")
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set(do_git_tests 0)
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endif()
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endif()
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if(do_git_tests)
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check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
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check_a_tag(tag1 d1970730310fe8bc07e73f15dc570071f9f9654a 1)
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# With the Git UPDATE_COMMAND performance patch, this will not required a
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# 'git fetch'
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check_a_tag(tag1 d1970730310fe8bc07e73f15dc570071f9f9654a 0)
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check_a_tag(tag2 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
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check_a_tag(d19707303 d1970730310fe8bc07e73f15dc570071f9f9654a 1)
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check_a_tag(d19707303 d1970730310fe8bc07e73f15dc570071f9f9654a 0)
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check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
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# This is a remote symbolic ref, so it will always trigger a 'git fetch'
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check_a_tag(origin/master 5842b503ba4113976d9bb28d57b5aee1ad2736b7 1)
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endif()
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