217 lines
8.3 KiB
CMake
217 lines
8.3 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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cmake_minimum_required(VERSION 3.5)
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execute_process(
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COMMAND "/usr/bin/git" rev-list --max-count=1 HEAD
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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OUTPUT_VARIABLE head_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 "Failed to get the hash for HEAD")
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endif()
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execute_process(
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COMMAND "/usr/bin/git" show-ref "20.27.3"
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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OUTPUT_VARIABLE show_ref_output
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)
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# If a remote ref is asked for, which can possibly move around,
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# we must always do a fetch and checkout.
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if("${show_ref_output}" MATCHES "remotes")
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set(is_remote_ref 1)
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else()
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set(is_remote_ref 0)
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endif()
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# Tag is in the form <remote>/<tag> (i.e. origin/master) we must strip
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# the remote from the tag.
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if("${show_ref_output}" MATCHES "refs/remotes/20.27.3")
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string(REGEX MATCH "^([^/]+)/(.+)$" _unused "20.27.3")
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set(git_remote "${CMAKE_MATCH_1}")
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set(git_tag "${CMAKE_MATCH_2}")
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else()
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set(git_remote "origin")
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set(git_tag "20.27.3")
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endif()
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# This will fail if the tag does not exist (it probably has not been fetched
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# yet).
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execute_process(
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COMMAND "/usr/bin/git" rev-list --max-count=1 "${git_tag}"
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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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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# Is the hash checkout out that we want?
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if(error_code OR is_remote_ref OR NOT ("${tag_sha}" STREQUAL "${head_sha}"))
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execute_process(
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COMMAND "/usr/bin/git" fetch
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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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 "Failed to fetch repository 'https://github.com/ETLCPP/etl'")
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endif()
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if(is_remote_ref)
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# Check if stash is needed
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execute_process(
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COMMAND "/usr/bin/git" status --porcelain
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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OUTPUT_VARIABLE repo_status
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)
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if(error_code)
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message(FATAL_ERROR "Failed to get the status")
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endif()
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string(LENGTH "${repo_status}" need_stash)
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# If not in clean state, stash changes in order to be able to perform a
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# rebase or checkout without losing those changes permanently
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if(need_stash)
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execute_process(
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COMMAND "/usr/bin/git" stash save --all;--quiet
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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if(error_code)
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message(FATAL_ERROR "Failed to stash changes")
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endif()
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endif()
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if("REBASE" STREQUAL "CHECKOUT")
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execute_process(
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COMMAND "/usr/bin/git" checkout "${git_remote}/${git_tag}"
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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if(error_code)
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message(FATAL_ERROR "Failed to checkout tag: '${git_remote}/${git_tag}'")
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endif()
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else()
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# Pull changes from the remote branch
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execute_process(
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COMMAND "/usr/bin/git" rebase "${git_remote}/${git_tag}"
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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OUTPUT_VARIABLE rebase_output
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ERROR_VARIABLE rebase_output
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)
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if(error_code)
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# Rebase failed, undo the rebase attempt before continuing
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execute_process(
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COMMAND "/usr/bin/git" rebase --abort
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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)
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if(NOT "REBASE" STREQUAL "REBASE_CHECKOUT")
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# Not allowed to do a checkout as a fallback, so cannot proceed
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if(need_stash)
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execute_process(
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COMMAND "/usr/bin/git" stash pop --index --quiet
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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)
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endif()
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message(FATAL_ERROR "\nFailed to rebase in: '/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src'."
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"\nOutput from the attempted rebase follows:"
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"\n${rebase_output}"
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"\n\nYou will have to resolve the conflicts manually")
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endif()
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# Fall back to checkout. We create an annotated tag so that the user
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# can manually inspect the situation and revert if required.
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# We can't log the failed rebase output because MSVC sees it and
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# intervenes, causing the build to fail even though it completes.
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# Write it to a file instead.
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string(TIMESTAMP tag_timestamp "%Y%m%dT%H%M%S" UTC)
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set(tag_name _cmake_ExternalProject_moved_from_here_${tag_timestamp}Z)
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set(error_log_file ${CMAKE_CURRENT_LIST_DIR}/rebase_error_${tag_timestamp}Z.log)
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file(WRITE ${error_log_file} "${rebase_output}")
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message(WARNING "Rebase failed, output has been saved to ${error_log_file}"
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"\nFalling back to checkout, previous commit tagged as ${tag_name}")
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execute_process(
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COMMAND "/usr/bin/git" tag -a
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-m "ExternalProject attempting to move from here to ${git_remote}/${git_tag}"
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${tag_name}
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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if(error_code)
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message(FATAL_ERROR "Failed to add marker tag")
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endif()
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execute_process(
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COMMAND "/usr/bin/git" checkout "${git_remote}/${git_tag}"
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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if(error_code)
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message(FATAL_ERROR "Failed to checkout : '${git_remote}/${git_tag}'")
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endif()
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endif()
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endif()
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if(need_stash)
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execute_process(
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COMMAND "/usr/bin/git" stash pop --index --quiet
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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if(error_code)
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# Stash pop --index failed: Try again dropping the index
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execute_process(
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COMMAND "/usr/bin/git" reset --hard --quiet
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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execute_process(
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COMMAND "/usr/bin/git" stash pop --quiet
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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if(error_code)
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# Stash pop failed: Restore previous state.
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execute_process(
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COMMAND "/usr/bin/git" reset --hard --quiet ${head_sha}
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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)
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execute_process(
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COMMAND "/usr/bin/git" stash pop --index --quiet
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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)
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message(FATAL_ERROR "\nFailed to unstash changes in: '/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src'."
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"\nYou will have to resolve the conflicts manually")
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endif()
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endif()
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endif()
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else()
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execute_process(
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COMMAND "/usr/bin/git" checkout "${git_tag}"
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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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 "Failed to checkout tag: '${git_tag}'")
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endif()
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endif()
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set(init_submodules "TRUE")
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if(init_submodules)
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execute_process(
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COMMAND "/usr/bin/git" submodule update --recursive --init
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WORKING_DIRECTORY "/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src"
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RESULT_VARIABLE error_code
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)
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endif()
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if(error_code)
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message(FATAL_ERROR "Failed to update submodules in: '/home/rmueller/EIVE/eive-obsw/cmake-build-debug-q7s/_deps/etl-src'")
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endif()
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endif()
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