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# Give Git access to the real home directory to get user's settings.
if(DEFINED ENV{CTEST_REAL_HOME})
set(ENV{HOME} "$ENV{CTEST_REAL_HOME}")
endif()
file(GLOB known_files
"${CMake_SOURCE_DIR}/Tests/Java/hs_err_pid*.log"
"${CMake_SOURCE_DIR}/Tests/JavaExportImport/InstallExport/hs_err_pid*.log"
"${CMake_SOURCE_DIR}/Tests/JavaNativeHeaders/hs_err_pid*.log"
)
if(known_files)
file(REMOVE ${known_files})
endif()
execute_process(
COMMAND "${GIT_EXECUTABLE}" status
WORKING_DIRECTORY "${CMake_SOURCE_DIR}"
OUTPUT_VARIABLE output
ERROR_VARIABLE output
RESULT_VARIABLE result
)
string(REPLACE "\n" "\n " output " ${output}")
if(NOT result EQUAL 0)
message(FATAL_ERROR "'git status' failed (${result}):\n${output}")
endif()
if(output MATCHES "\n[ \t#]*(Changes |new file:|modified:|Untracked )")
message(FATAL_ERROR "The source tree is not clean. 'git status' reports:\n${output}")
endif()
message(STATUS "The source tree is clean.")
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