gbe_fork/cmake/share/cmake-3.27/Modules/ExternalProject/gitclone.cmake.in

74 lines
2.3 KiB
CMake

# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
cmake_minimum_required(VERSION 3.5)
if(EXISTS "@gitclone_stampfile@" AND EXISTS "@gitclone_infofile@" AND
"@gitclone_stampfile@" IS_NEWER_THAN "@gitclone_infofile@")
message(STATUS
"Avoiding repeated git clone, stamp file is up to date: "
"'@gitclone_stampfile@'"
)
return()
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} -E rm -rf "@source_dir@"
RESULT_VARIABLE error_code
)
if(error_code)
message(FATAL_ERROR "Failed to remove directory: '@source_dir@'")
endif()
# try the clone 3 times in case there is an odd git clone issue
set(error_code 1)
set(number_of_tries 0)
while(error_code AND number_of_tries LESS 3)
execute_process(
COMMAND "@git_EXECUTABLE@"
clone @git_clone_options@ "@git_repository@" "@src_name@"
WORKING_DIRECTORY "@work_dir@"
RESULT_VARIABLE error_code
)
math(EXPR number_of_tries "${number_of_tries} + 1")
endwhile()
if(number_of_tries GREATER 1)
message(STATUS "Had to git clone more than once: ${number_of_tries} times.")
endif()
if(error_code)
message(FATAL_ERROR "Failed to clone repository: '@git_repository@'")
endif()
execute_process(
COMMAND "@git_EXECUTABLE@"
checkout "@git_tag@" @git_checkout_explicit--@
WORKING_DIRECTORY "@work_dir@/@src_name@"
RESULT_VARIABLE error_code
)
if(error_code)
message(FATAL_ERROR "Failed to checkout tag: '@git_tag@'")
endif()
set(init_submodules @init_submodules@)
if(init_submodules)
execute_process(
COMMAND "@git_EXECUTABLE@" @git_submodules_config_options@
submodule update @git_submodules_recurse@ --init @git_submodules@
WORKING_DIRECTORY "@work_dir@/@src_name@"
RESULT_VARIABLE error_code
)
endif()
if(error_code)
message(FATAL_ERROR "Failed to update submodules in: '@work_dir@/@src_name@'")
endif()
# Complete success, update the script-last-run stamp file:
#
execute_process(
COMMAND ${CMAKE_COMMAND} -E copy "@gitclone_infofile@" "@gitclone_stampfile@"
RESULT_VARIABLE error_code
)
if(error_code)
message(FATAL_ERROR "Failed to copy script-last-run stamp file: '@gitclone_stampfile@'")
endif()