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chore: update Git CMake module

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Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
This commit is contained in:
Sefa Eyeoglu 2022-06-17 21:46:48 +02:00
parent 412fdb0f7b
commit 0f9260869b
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GPG Key ID: C10411294912A422
2 changed files with 218 additions and 62 deletions
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246
cmake/GetGitRevisionDescription.cmake
View File

@ -3,7 +3,7 @@
# These functions force a re-configure on each git commit so that you can # These functions force a re-configure on each git commit so that you can
# trust the values of the variables in your build system. # trust the values of the variables in your build system.
# #
# get_git_head_revision(<refspecvar> <hashvar> [<additional arguments to git describe> ...]) # get_git_head_revision(<refspecvar> <hashvar> [ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR])
# #
# Returns the refspec and sha hash of the current head revision # Returns the refspec and sha hash of the current head revision
# #
@ -12,20 +12,33 @@
# Returns the results of git describe on the source tree, and adjusting # Returns the results of git describe on the source tree, and adjusting
# the output so that it tests false if an error occurs. # the output so that it tests false if an error occurs.
# #
# git_describe_working_tree(<var> [<additional arguments to git describe> ...])
#
# Returns the results of git describe on the working tree (--dirty option),
# and adjusting the output so that it tests false if an error occurs.
#
# git_get_exact_tag(<var> [<additional arguments to git describe> ...]) # git_get_exact_tag(<var> [<additional arguments to git describe> ...])
# #
# Returns the results of git describe --exact-match on the source tree, # Returns the results of git describe --exact-match on the source tree,
# and adjusting the output so that it tests false if there was no exact # and adjusting the output so that it tests false if there was no exact
# matching tag. # matching tag.
# #
# git_local_changes(<var>)
#
# Returns either "CLEAN" or "DIRTY" with respect to uncommitted changes.
# Uses the return code of "git diff-index --quiet HEAD --".
# Does not regard untracked files.
#
# Requires CMake 2.6 or newer (uses the 'function' command) # Requires CMake 2.6 or newer (uses the 'function' command)
# #
# Original Author: # Original Author:
# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net> # 2009-2020 Ryan Pavlik <ryan.pavlik@gmail.com> <abiryan@ryand.net>
# http://academic.cleardefinition.com # http://academic.cleardefinition.com
# Iowa State University HCI Graduate Program/VRAC
# #
# Copyright Iowa State University 2009-2010. # Copyright 2009-2013, Iowa State University.
# Copyright 2013-2020, Ryan Pavlik
# Copyright 2013-2020, Contributors
# SPDX-License-Identifier: BSL-1.0
# Distributed under the Boost Software License, Version 1.0. # Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at # (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt) # http://www.boost.org/LICENSE_1_0.txt)
@ -39,45 +52,124 @@ set(__get_git_revision_description YES)
# to find the path to this module rather than the path to a calling list file # to find the path to this module rather than the path to a calling list file
get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH) get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH)
function(get_git_head_revision _refspecvar _hashvar) # Function _git_find_closest_git_dir finds the next closest .git directory
set(GIT_PARENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}") # that is part of any directory in the path defined by _start_dir.
set(GIT_DIR "${GIT_PARENT_DIR}/.git") # The result is returned in the parent scope variable whose name is passed
while(NOT EXISTS "${GIT_DIR}") # .git dir not found, search parent directories # as variable _git_dir_var. If no .git directory can be found, the
set(GIT_PREVIOUS_PARENT "${GIT_PARENT_DIR}") # function returns an empty string via _git_dir_var.
get_filename_component(GIT_PARENT_DIR ${GIT_PARENT_DIR} PATH) #
if(GIT_PARENT_DIR STREQUAL GIT_PREVIOUS_PARENT) # Example: Given a path C:/bla/foo/bar and assuming C:/bla/.git exists and
# neither foo nor bar contain a file/directory .git. This wil return
# C:/bla/.git
#
function(_git_find_closest_git_dir _start_dir _git_dir_var)
set(cur_dir "${_start_dir}")
set(git_dir "${_start_dir}/.git")
while(NOT EXISTS "${git_dir}")
# .git dir not found, search parent directories
set(git_previous_parent "${cur_dir}")
get_filename_component(cur_dir "${cur_dir}" DIRECTORY)
if(cur_dir STREQUAL git_previous_parent)
# We have reached the root directory, we are not in git # We have reached the root directory, we are not in git
set(${_refspecvar} "GITDIR-NOTFOUND" PARENT_SCOPE) set(${_git_dir_var}
set(${_hashvar} "GITDIR-NOTFOUND" PARENT_SCOPE) ""
PARENT_SCOPE)
return() return()
endif() endif()
set(GIT_DIR "${GIT_PARENT_DIR}/.git") set(git_dir "${cur_dir}/.git")
endwhile() endwhile()
# check if this is a submodule set(${_git_dir_var}
"${git_dir}"
PARENT_SCOPE)
endfunction()
function(get_git_head_revision _refspecvar _hashvar)
_git_find_closest_git_dir("${CMAKE_CURRENT_SOURCE_DIR}" GIT_DIR)
if("${ARGN}" STREQUAL "ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR")
set(ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR TRUE)
else()
set(ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR FALSE)
endif()
if(NOT "${GIT_DIR}" STREQUAL "")
file(RELATIVE_PATH _relative_to_source_dir "${CMAKE_SOURCE_DIR}"
"${GIT_DIR}")
if("${_relative_to_source_dir}" MATCHES "[.][.]" AND NOT ALLOW_LOOKING_ABOVE_CMAKE_SOURCE_DIR)
# We've gone above the CMake root dir.
set(GIT_DIR "")
endif()
endif()
if("${GIT_DIR}" STREQUAL "")
set(${_refspecvar}
"GITDIR-NOTFOUND"
PARENT_SCOPE)
set(${_hashvar}
"GITDIR-NOTFOUND"
PARENT_SCOPE)
return()
endif()
# Check if the current source dir is a git submodule or a worktree.
# In both cases .git is a file instead of a directory.
#
if(NOT IS_DIRECTORY ${GIT_DIR}) if(NOT IS_DIRECTORY ${GIT_DIR})
file(READ ${GIT_DIR} submodule) # The following git command will return a non empty string that
string(REGEX REPLACE "gitdir: (.*)\n$" "\\1" GIT_DIR_RELATIVE ${submodule}) # points to the super project working tree if the current
get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH) # source dir is inside a git submodule.
get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE} ABSOLUTE) # Otherwise the command will return an empty string.
#
execute_process(
COMMAND "${GIT_EXECUTABLE}" rev-parse
--show-superproject-working-tree
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE out
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT "${out}" STREQUAL "")
# If out is empty, GIT_DIR/CMAKE_CURRENT_SOURCE_DIR is in a submodule
file(READ ${GIT_DIR} submodule)
string(REGEX REPLACE "gitdir: (.*)$" "\\1" GIT_DIR_RELATIVE
${submodule})
string(STRIP ${GIT_DIR_RELATIVE} GIT_DIR_RELATIVE)
get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH)
get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE}
ABSOLUTE)
set(HEAD_SOURCE_FILE "${GIT_DIR}/HEAD")
else()
# GIT_DIR/CMAKE_CURRENT_SOURCE_DIR is in a worktree
file(READ ${GIT_DIR} worktree_ref)
# The .git directory contains a path to the worktree information directory
# inside the parent git repo of the worktree.
#
string(REGEX REPLACE "gitdir: (.*)$" "\\1" git_worktree_dir
${worktree_ref})
string(STRIP ${git_worktree_dir} git_worktree_dir)
_git_find_closest_git_dir("${git_worktree_dir}" GIT_DIR)
set(HEAD_SOURCE_FILE "${git_worktree_dir}/HEAD")
endif()
else()
set(HEAD_SOURCE_FILE "${GIT_DIR}/HEAD")
endif() endif()
set(GIT_DATA "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/git-data") set(GIT_DATA "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/git-data")
if(NOT EXISTS "${GIT_DATA}") if(NOT EXISTS "${GIT_DATA}")
file(MAKE_DIRECTORY "${GIT_DATA}") file(MAKE_DIRECTORY "${GIT_DATA}")
endif() endif()
if(NOT EXISTS "${GIT_DIR}/HEAD") if(NOT EXISTS "${HEAD_SOURCE_FILE}")
return() return()
endif() endif()
set(HEAD_FILE "${GIT_DATA}/HEAD") set(HEAD_FILE "${GIT_DATA}/HEAD")
configure_file("${GIT_DIR}/HEAD" "${HEAD_FILE}" COPYONLY) configure_file("${HEAD_SOURCE_FILE}" "${HEAD_FILE}" COPYONLY)
configure_file("${_gitdescmoddir}/GetGitRevisionDescription.cmake.in" configure_file("${_gitdescmoddir}/GetGitRevisionDescription.cmake.in"
"${GIT_DATA}/grabRef.cmake" "${GIT_DATA}/grabRef.cmake" @ONLY)
@ONLY)
include("${GIT_DATA}/grabRef.cmake") include("${GIT_DATA}/grabRef.cmake")
set(${_refspecvar} "${HEAD_REF}" PARENT_SCOPE) set(${_refspecvar}
set(${_hashvar} "${HEAD_HASH}" PARENT_SCOPE) "${HEAD_REF}"
PARENT_SCOPE)
set(${_hashvar}
"${HEAD_HASH}"
PARENT_SCOPE)
endfunction() endfunction()
function(git_describe _var) function(git_describe _var)
@ -86,45 +178,107 @@ function(git_describe _var)
endif() endif()
get_git_head_revision(refspec hash) get_git_head_revision(refspec hash)
if(NOT GIT_FOUND) if(NOT GIT_FOUND)
set(${_var} "GIT-NOTFOUND" PARENT_SCOPE) set(${_var}
"GIT-NOTFOUND"
PARENT_SCOPE)
return() return()
endif() endif()
if(NOT hash) if(NOT hash)
set(${_var} "HEAD-HASH-NOTFOUND" PARENT_SCOPE) set(${_var}
"HEAD-HASH-NOTFOUND"
PARENT_SCOPE)
return() return()
endif() endif()
# TODO sanitize # TODO sanitize
#if((${ARGN}" MATCHES "&&") OR #if((${ARGN}" MATCHES "&&") OR
# (ARGN MATCHES "||") OR # (ARGN MATCHES "||") OR
# (ARGN MATCHES "\\;")) # (ARGN MATCHES "\\;"))
# message("Please report the following error to the project!") # message("Please report the following error to the project!")
# message(FATAL_ERROR "Looks like someone's doing something nefarious with git_describe! Passed arguments ${ARGN}") # message(FATAL_ERROR "Looks like someone's doing something nefarious with git_describe! Passed arguments ${ARGN}")
#endif() #endif()
#message(STATUS "Arguments to execute_process: ${ARGN}") #message(STATUS "Arguments to execute_process: ${ARGN}")
execute_process(COMMAND execute_process(
"${GIT_EXECUTABLE}" COMMAND "${GIT_EXECUTABLE}" describe --tags --always ${hash} ${ARGN}
describe WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
${hash} RESULT_VARIABLE res
${ARGN} OUTPUT_VARIABLE out
WORKING_DIRECTORY ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
"${CMAKE_CURRENT_SOURCE_DIR}"
RESULT_VARIABLE
res
OUTPUT_VARIABLE
out
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT res EQUAL 0) if(NOT res EQUAL 0)
set(out "${out}-${res}-NOTFOUND") set(out "${out}-${res}-NOTFOUND")
endif() endif()
set(${_var} "${out}" PARENT_SCOPE) set(${_var}
"${out}"
PARENT_SCOPE)
endfunction()
function(git_describe_working_tree _var)
if(NOT GIT_FOUND)
find_package(Git QUIET)
endif()
if(NOT GIT_FOUND)
set(${_var}
"GIT-NOTFOUND"
PARENT_SCOPE)
return()
endif()
execute_process(
COMMAND "${GIT_EXECUTABLE}" describe --dirty ${ARGN}
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
RESULT_VARIABLE res
OUTPUT_VARIABLE out
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT res EQUAL 0)
set(out "${out}-${res}-NOTFOUND")
endif()
set(${_var}
"${out}"
PARENT_SCOPE)
endfunction() endfunction()
function(git_get_exact_tag _var) function(git_get_exact_tag _var)
git_describe(out --exact-match ${ARGN}) git_describe(out --exact-match ${ARGN})
set(${_var} "${out}" PARENT_SCOPE) set(${_var}
"${out}"
PARENT_SCOPE)
endfunction()
function(git_local_changes _var)
if(NOT GIT_FOUND)
find_package(Git QUIET)
endif()
get_git_head_revision(refspec hash)
if(NOT GIT_FOUND)
set(${_var}
"GIT-NOTFOUND"
PARENT_SCOPE)
return()
endif()
if(NOT hash)
set(${_var}
"HEAD-HASH-NOTFOUND"
PARENT_SCOPE)
return()
endif()
execute_process(
COMMAND "${GIT_EXECUTABLE}" diff-index --quiet HEAD --
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
RESULT_VARIABLE res
OUTPUT_VARIABLE out
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if(res EQUAL 0)
set(${_var}
"CLEAN"
PARENT_SCOPE)
else()
set(${_var}
"DIRTY"
PARENT_SCOPE)
endif()
endfunction() endfunction()

34
cmake/GetGitRevisionDescription.cmake.in
View File

@ -8,10 +8,12 @@
# http://academic.cleardefinition.com # http://academic.cleardefinition.com
# Iowa State University HCI Graduate Program/VRAC # Iowa State University HCI Graduate Program/VRAC
# #
# Copyright Iowa State University 2009-2010. # Copyright 2009-2012, Iowa State University
# Copyright 2011-2015, Contributors
# Distributed under the Boost Software License, Version 1.0. # Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at # (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt) # http://www.boost.org/LICENSE_1_0.txt)
# SPDX-License-Identifier: BSL-1.0
set(HEAD_HASH) set(HEAD_HASH)
@ -19,23 +21,23 @@ file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024)
string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS) string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS)
if(HEAD_CONTENTS MATCHES "ref") if(HEAD_CONTENTS MATCHES "ref")
# named branch # named branch
string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}") string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}")
if(EXISTS "@GIT_DIR@/${HEAD_REF}") if(EXISTS "@GIT_DIR@/${HEAD_REF}")
configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY)
else() else()
configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY) configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY)
file(READ "@GIT_DATA@/packed-refs" PACKED_REFS) file(READ "@GIT_DATA@/packed-refs" PACKED_REFS)
if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}") if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}")
set(HEAD_HASH "${CMAKE_MATCH_1}") set(HEAD_HASH "${CMAKE_MATCH_1}")
endif() endif()
endif() endif()
else() else()
# detached HEAD # detached HEAD
configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY) configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY)
endif() endif()
if(NOT HEAD_HASH) if(NOT HEAD_HASH)
file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024) file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024)
string(STRIP "${HEAD_HASH}" HEAD_HASH) string(STRIP "${HEAD_HASH}" HEAD_HASH)
endif() endif()