mirror of
https://gitlab.com/GaryOderNichts/re3-wiiu.git
synced 2024-11-27 11:34:14 +01:00
285 lines
9.3 KiB
CMake
285 lines
9.3 KiB
CMake
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# - Returns a version string from Git
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#
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# These functions force a re-configure on each git commit so that you can
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# trust the values of the variables in your build system.
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#
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# get_git_head_revision(<refspecvar> <hashvar> [ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR])
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#
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# Returns the refspec and sha hash of the current head revision
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#
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# git_describe(<var> [<additional arguments to git describe> ...])
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#
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# Returns the results of git describe on the source tree, and adjusting
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# the output so that it tests false if an error occurs.
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#
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# git_describe_working_tree(<var> [<additional arguments to git describe> ...])
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#
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# Returns the results of git describe on the working tree (--dirty option),
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# and adjusting the output so that it tests false if an error occurs.
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#
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# git_get_exact_tag(<var> [<additional arguments to git describe> ...])
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#
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# Returns the results of git describe --exact-match on the source tree,
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# and adjusting the output so that it tests false if there was no exact
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# matching tag.
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#
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# git_local_changes(<var>)
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#
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# Returns either "CLEAN" or "DIRTY" with respect to uncommitted changes.
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# Uses the return code of "git diff-index --quiet HEAD --".
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# Does not regard untracked files.
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#
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# Requires CMake 2.6 or newer (uses the 'function' command)
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#
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# Original Author:
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# 2009-2020 Ryan Pavlik <ryan.pavlik@gmail.com> <abiryan@ryand.net>
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# http://academic.cleardefinition.com
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#
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# Copyright 2009-2013, Iowa State University.
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# Copyright 2013-2020, Ryan Pavlik
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# Copyright 2013-2020, Contributors
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# SPDX-License-Identifier: BSL-1.0
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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if(__get_git_revision_description)
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return()
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endif()
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set(__get_git_revision_description YES)
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# We must run the following at "include" time, not at function call time,
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# to find the path to this module rather than the path to a calling list file
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get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH)
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# Function _git_find_closest_git_dir finds the next closest .git directory
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# that is part of any directory in the path defined by _start_dir.
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# The result is returned in the parent scope variable whose name is passed
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# as variable _git_dir_var. If no .git directory can be found, the
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# function returns an empty string via _git_dir_var.
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#
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# Example: Given a path C:/bla/foo/bar and assuming C:/bla/.git exists and
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# neither foo nor bar contain a file/directory .git. This wil return
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# C:/bla/.git
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#
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function(_git_find_closest_git_dir _start_dir _git_dir_var)
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set(cur_dir "${_start_dir}")
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set(git_dir "${_start_dir}/.git")
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while(NOT EXISTS "${git_dir}")
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# .git dir not found, search parent directories
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set(git_previous_parent "${cur_dir}")
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get_filename_component(cur_dir ${cur_dir} DIRECTORY)
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if(cur_dir STREQUAL git_previous_parent)
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# We have reached the root directory, we are not in git
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set(${_git_dir_var}
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""
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PARENT_SCOPE)
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return()
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endif()
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set(git_dir "${cur_dir}/.git")
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endwhile()
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set(${_git_dir_var}
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"${git_dir}"
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PARENT_SCOPE)
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endfunction()
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function(get_git_head_revision _refspecvar _hashvar)
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_git_find_closest_git_dir("${CMAKE_CURRENT_SOURCE_DIR}" GIT_DIR)
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if("${ARGN}" STREQUAL "ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR")
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set(ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR TRUE)
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else()
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set(ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR FALSE)
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endif()
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if(NOT "${GIT_DIR}" STREQUAL "")
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file(RELATIVE_PATH _relative_to_source_dir "${CMAKE_SOURCE_DIR}"
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"${GIT_DIR}")
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if("${_relative_to_source_dir}" MATCHES "[.][.]" AND NOT ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR)
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# We've gone above the CMake root dir.
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set(GIT_DIR "")
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endif()
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endif()
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if("${GIT_DIR}" STREQUAL "")
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set(${_refspecvar}
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"GITDIR-NOTFOUND"
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PARENT_SCOPE)
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set(${_hashvar}
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"GITDIR-NOTFOUND"
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PARENT_SCOPE)
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return()
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endif()
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# Check if the current source dir is a git submodule or a worktree.
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# In both cases .git is a file instead of a directory.
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#
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if(NOT IS_DIRECTORY ${GIT_DIR})
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# The following git command will return a non empty string that
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# points to the super project working tree if the current
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# source dir is inside a git submodule.
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# Otherwise the command will return an empty string.
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#
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execute_process(
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COMMAND "${GIT_EXECUTABLE}" rev-parse
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--show-superproject-working-tree
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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OUTPUT_VARIABLE out
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT "${out}" STREQUAL "")
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# If out is empty, GIT_DIR/CMAKE_CURRENT_SOURCE_DIR is in a submodule
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file(READ ${GIT_DIR} submodule)
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string(REGEX REPLACE "gitdir: (.*)$" "\\1" GIT_DIR_RELATIVE
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${submodule})
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string(STRIP ${GIT_DIR_RELATIVE} GIT_DIR_RELATIVE)
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get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH)
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get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE}
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ABSOLUTE)
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set(HEAD_SOURCE_FILE "${GIT_DIR}/HEAD")
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else()
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# GIT_DIR/CMAKE_CURRENT_SOURCE_DIR is in a worktree
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file(READ ${GIT_DIR} worktree_ref)
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# The .git directory contains a path to the worktree information directory
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# inside the parent git repo of the worktree.
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#
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string(REGEX REPLACE "gitdir: (.*)$" "\\1" git_worktree_dir
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${worktree_ref})
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string(STRIP ${git_worktree_dir} git_worktree_dir)
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_git_find_closest_git_dir("${git_worktree_dir}" GIT_DIR)
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set(HEAD_SOURCE_FILE "${git_worktree_dir}/HEAD")
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endif()
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else()
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set(HEAD_SOURCE_FILE "${GIT_DIR}/HEAD")
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endif()
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set(GIT_DATA "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/git-data")
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if(NOT EXISTS "${GIT_DATA}")
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file(MAKE_DIRECTORY "${GIT_DATA}")
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endif()
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if(NOT EXISTS "${HEAD_SOURCE_FILE}")
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return()
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endif()
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set(HEAD_FILE "${GIT_DATA}/HEAD")
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configure_file("${HEAD_SOURCE_FILE}" "${HEAD_FILE}" COPYONLY)
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configure_file("${_gitdescmoddir}/GetGitRevisionDescription.cmake.in"
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"${GIT_DATA}/grabRef.cmake" @ONLY)
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include("${GIT_DATA}/grabRef.cmake")
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set(${_refspecvar}
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"${HEAD_REF}"
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PARENT_SCOPE)
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set(${_hashvar}
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"${HEAD_HASH}"
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PARENT_SCOPE)
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endfunction()
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function(git_describe _var)
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if(NOT GIT_FOUND)
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find_package(Git QUIET)
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endif()
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get_git_head_revision(refspec hash)
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if(NOT GIT_FOUND)
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set(${_var}
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"GIT-NOTFOUND"
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PARENT_SCOPE)
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return()
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endif()
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if(NOT hash)
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set(${_var}
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"HEAD-HASH-NOTFOUND"
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PARENT_SCOPE)
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return()
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endif()
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# TODO sanitize
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#if((${ARGN}" MATCHES "&&") OR
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# (ARGN MATCHES "||") OR
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# (ARGN MATCHES "\\;"))
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# message("Please report the following error to the project!")
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# message(FATAL_ERROR "Looks like someone's doing something nefarious with git_describe! Passed arguments ${ARGN}")
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#endif()
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#message(STATUS "Arguments to execute_process: ${ARGN}")
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execute_process(
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COMMAND "${GIT_EXECUTABLE}" describe --tags --always ${hash} ${ARGN}
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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RESULT_VARIABLE res
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OUTPUT_VARIABLE out
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT res EQUAL 0)
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set(out "${out}-${res}-NOTFOUND")
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endif()
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set(${_var}
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"${out}"
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PARENT_SCOPE)
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endfunction()
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function(git_describe_working_tree _var)
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if(NOT GIT_FOUND)
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find_package(Git QUIET)
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endif()
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if(NOT GIT_FOUND)
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set(${_var}
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"GIT-NOTFOUND"
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PARENT_SCOPE)
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return()
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endif()
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execute_process(
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COMMAND "${GIT_EXECUTABLE}" describe --dirty ${ARGN}
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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RESULT_VARIABLE res
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OUTPUT_VARIABLE out
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(NOT res EQUAL 0)
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set(out "${out}-${res}-NOTFOUND")
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endif()
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set(${_var}
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"${out}"
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PARENT_SCOPE)
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endfunction()
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function(git_get_exact_tag _var)
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git_describe(out --exact-match ${ARGN})
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set(${_var}
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"${out}"
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PARENT_SCOPE)
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endfunction()
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function(git_local_changes _var)
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if(NOT GIT_FOUND)
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find_package(Git QUIET)
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endif()
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get_git_head_revision(refspec hash)
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if(NOT GIT_FOUND)
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set(${_var}
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"GIT-NOTFOUND"
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PARENT_SCOPE)
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return()
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endif()
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if(NOT hash)
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set(${_var}
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"HEAD-HASH-NOTFOUND"
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PARENT_SCOPE)
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return()
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endif()
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execute_process(
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COMMAND "${GIT_EXECUTABLE}" diff-index --quiet HEAD --
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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RESULT_VARIABLE res
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OUTPUT_VARIABLE out
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(res EQUAL 0)
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set(${_var}
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"CLEAN"
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PARENT_SCOPE)
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else()
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set(${_var}
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"DIRTY"
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PARENT_SCOPE)
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endif()
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endfunction()
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