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106 lines
3.9 KiB
106 lines
3.9 KiB
2 years ago
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include("${${PROJECT_NAME}_TRIBITS_DIR}/core/utils/MessageWrapper.cmake")
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include("${${PROJECT_NAME}_TRIBITS_DIR}/core/utils/TribitsStripQuotesFromStr.cmake")
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# @FUNCTION: tribits_get_raw_git_commit_utc_time()
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#
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# Get the git commit date of a repo at a given commit in UTC in the format
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# "2019-03-22 15:34:43 +0000"
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#
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# Usage::
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#
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# tribits_get_raw_git_commit_utc_time(<repo_base_dir> <commit_Ref>
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# <git_commit_utc_time_out> )
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#
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# This requires find_package(Git) to have been called before calling this
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# function and it requires a vesrion of git of 2.10.0 or greater (because
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# ``git log`` must support the argument ``--date=iso-local``).
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#
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function(tribits_get_raw_git_commit_utc_time repo_base_dir commit_ref
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git_commit_utc_time_out
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)
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if ("${GIT_EXECUTABLE}" STREQUAL "")
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message_wrapper(FATAL_ERROR "Error, GIT_EXECUTABLE not set!")
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endif()
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if ("${GIT_VERSION_STRING}" STREQUAL "")
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message_wrapper(FATAL_ERROR "Error, GIT_VERSION_STRING not set!")
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endif()
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if (GIT_VERSION_STRING VERSION_LESS "2.10.0")
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message_wrapper(FATAL_ERROR
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"Error, GIT_VERSION_STRING=${GIT_VERSION_STRING} < 2.10.0!")
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endif()
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if (NOT TRIBITS_GET_RAW_GIT_COMMIT_UTC_TIME_UNIT_TEST_MODE)
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set(OLD_ENV_TZ "$ENV{TZ}")
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set(ENV{TZ} GMT)
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execute_process(
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COMMAND "${GIT_EXECUTABLE}" log
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"--format=%cd" --date=iso-local -1 ${commit_ref}
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WORKING_DIRECTORY "${repo_base_dir}"
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OUTPUT_VARIABLE GIT_CMND_OUTPUT
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ERROR_VARIABLE GIT_CMND_OUTPUT
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OUTPUT_STRIP_TRAILING_WHITESPACE
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RESULT_VARIABLE GIT_CMD_RTN
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TIMEOUT 10 #seconds
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)
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set(ENV{TZ} "${OLD_ENV_TZ}")
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#print_var(ENV{TZ})
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if (NOT GIT_CMD_RTN STREQUAL "0")
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message(FATAL_ERROR
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"ERROR: GIT_CMD_RTN=${GIT_CMD_RTN} != 0!\n"
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"Error Message: ${GIT_CMND_OUTPUT}" )
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endif()
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endif()
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# print_var(GIT_CMND_OUTPUT)
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tribits_strip_quotes_from_str("${GIT_CMND_OUTPUT}" git_commit_no_quotes)
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# ToDo: Assert that the date offset is "+0000" or error out!
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set(${git_commit_utc_time_out} "${git_commit_no_quotes}" PARENT_SCOPE)
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endfunction()
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# @FUNCTION: tribits_get_version_date_from_raw_git_commit_utc_time()
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#
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# Takes input of the form "YYYY-MM-DD hh:mm:ss +0000" from the git command::
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#
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# git log --format="%cd" --date=iso-local -1 <ref>
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#
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# and returns the string integer YYYYMMDDhh.
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#
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# Usage::
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#
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# tribits_get_version_date_from_raw_git_commit_utc_time(
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# ""YYYY-MM-DD hh:mm:ss +0000" <version_date_var> )
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#
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# This returns a 10-digit integer ``YYYYMMDDhh`` that should fit in a 32-bit
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# integer with a max value of ``2^32 / 2 - 1`` = ``2147483647`` and therefore
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# should be good until the last hour of of the last day of the last month of
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# the year 2147 (i.e. `2147 12 31 23` = `2147123123`).
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#
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function(tribits_get_version_date_from_raw_git_commit_utc_time
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git_raw_commit_time_utc version_date_out
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)
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# Split by spaces first " "
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string(REPLACE " " ";" git_raw_commit_time_utc_space_array
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"${git_raw_commit_time_utc}")
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#print_var(git_raw_commit_time_utc_space_array)
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list(GET git_raw_commit_time_utc_space_array 0 YYYY_MM_DD) # YYYY-MM-DD
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list(GET git_raw_commit_time_utc_space_array 1 hh_mm_ss) # hh:mm:ss
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list(GET git_raw_commit_time_utc_space_array 2 utc_offset) # +0000
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#print_var(YYYY_MM_DD)
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#print_var(hh_mm_ss)
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#print_var(utc_offset)
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if (NOT utc_offset STREQUAL "+0000")
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message_wrapper(FATAL_ERROR "ERROR, '${git_raw_commit_time_utc}' is NOT"
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" in UTC which would have offset '+0000'!")
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endif()
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# Split YYYY-MM-DD into its components
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string(REPLACE "-" ";" YYYY_MM_DD_array "${YYYY_MM_DD}")
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list(GET YYYY_MM_DD_array 0 YYYY)
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list(GET YYYY_MM_DD_array 1 MM)
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list(GET YYYY_MM_DD_array 2 DD)
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# Split hh:mm:ss into its components
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string(REPLACE ":" ";" hh_mm_ss_array "${hh_mm_ss}")
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list(GET hh_mm_ss_array 0 hh)
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# Form the full YYYYMMDDhhmm integer and return
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set(${version_date_out} "${YYYY}${MM}${DD}${hh}" PARENT_SCOPE)
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endfunction()
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