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find_package(Git REQUIRED)
macro(sanity_check message)
if(status_code)
message(FATAL_ERROR "${message}")
endif()
endmacro()
# Check that there are no changes in working-tree
execute_process(COMMAND ${GIT_EXECUTABLE} diff --quiet
RESULT_VARIABLE status_code)
sanity_check("Cannot run with working tree changes. Commit, stash or drop them.")
# Setup base of tests
set(check_base $ENV{CHECK_BASE})
if(NOT check_base)
set(check_base origin/master)
endif()
# Setup end of tests
set(check_head $ENV{CHECK_HEAD})
if(NOT check_head)
set(check_head HEAD)
endif()
# Setup target to build
set(check_target $ENV{CHECK_TARGET})
if(NOT check_target)
set(check_target check)
endif()
# Build threads
set(build_threads $ENV{CHECK_THREADS})
if(NOT build_threads)
if(UNIX)
execute_process(COMMAND nproc
OUTPUT_VARIABLE build_threads)
string(REGEX REPLACE "(\r?\n)+$" "" build_threads "${build_threads}")
endif()
endif()
# Record current HEAD
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD
OUTPUT_VARIABLE current_branch)
string(REGEX REPLACE "(\r?\n)+$" "" current_branch "${current_branch}")
# Grab revision list
execute_process(COMMAND ${GIT_EXECUTABLE} rev-list ${check_base}..${check_head} --reverse
OUTPUT_VARIABLE rev_list)
string(REPLACE "\n" ";" rev_list ${rev_list})
foreach(rev ${rev_list})
# Checkout
message("Testing revision ${rev}")
execute_process(COMMAND ${GIT_EXECUTABLE} checkout ${rev}
RESULT_VARIABLE status_code)
sanity_check("Failed to checkout ${rev}")
# Build
if(build_threads GREATER 2)
execute_process(COMMAND ${CMAKE_COMMAND} "--build" "${CMAKE_BINARY_DIR}" "--target" "${check_target}" "--use-stderr" "--" "-j${build_threads}"
RESULT_VARIABLE status_code)
else()
execute_process(COMMAND ${CMAKE_COMMAND} "--build" "${CMAKE_BINARY_DIR}" "--target" "${check_target}" "--use-stderr"
RESULT_VARIABLE status_code)
endif()
if(status_code)
execute_process(COMMAND ${GIT_EXECUTABLE} checkout ${current_branch})
endif()
sanity_check("Failed to build target for revision ${rev}")
endforeach()
message("Everything checks out fine")
execute_process(COMMAND ${GIT_EXECUTABLE} checkout ${current_branch})
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