blob: aeefd27081171256ee2dbf6bc62905ec7ec01a19 [file] [log] [blame]
# SPDX-License-Identifier: Apache-2.0
# NB: This could be dangerous to execute.
macro(print_usage)
message("
usage: cmake -DBINARY_DIR=<build-path> -DSOURCE_DIR=<source-path>
-P ${CMAKE_SCRIPT_MODE_FILE}
mandatory arguments:
-DBINARY_DIR=<build-path>: Absolute path to the build directory to pristine
-DSOURCE_DIR=<source-path>: Absolute path to the source directory used when
creating <build-path>
")
# Making the usage itself a fatal error messes up the formatting when printing.
message(FATAL_ERROR "")
endmacro()
if(NOT DEFINED BINARY_DIR OR NOT DEFINED SOURCE_DIR)
print_usage()
endif()
if(NOT IS_ABSOLUTE ${BINARY_DIR} OR NOT IS_ABSOLUTE ${SOURCE_DIR})
print_usage()
endif()
get_filename_component(BINARY_DIR ${BINARY_DIR} REALPATH)
get_filename_component(SOURCE_DIR ${SOURCE_DIR} REALPATH)
string(FIND ${SOURCE_DIR} ${BINARY_DIR} INDEX)
if(NOT INDEX EQUAL -1)
message(FATAL_ERROR "Refusing to run pristine in in-source build folder.")
endif()
file(GLOB build_dir_contents ${BINARY_DIR}/*)
foreach(file ${build_dir_contents})
if (EXISTS ${file})
file(REMOVE_RECURSE ${file})
endif()
endforeach(file)