| # 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 ${CMAKE_COMMAND} -E rm -rf "@source_dir@" |
| RESULT_VARIABLE error_code |
| ) |
| if(error_code) |
| message(FATAL_ERROR "Failed to remove directory: '@source_dir@'") |
| endif() |
| |
| # try the clone 3 times in case there is an odd git clone issue |
| set(error_code 1) |
| set(number_of_tries 0) |
| while(error_code AND number_of_tries LESS 3) |
| execute_process( |
| COMMAND "@git_EXECUTABLE@" @git_options@ |
| clone @git_clone_options@ "@git_repository@" "@src_name@" |
| WORKING_DIRECTORY "@work_dir@" |
| RESULT_VARIABLE error_code |
| ) |
| math(EXPR number_of_tries "${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@" @git_options@ |
| 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_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() |