From: Alexander Schmidt Date: Fri, 23 Oct 2015 21:36:27 +0000 (+0200) Subject: initial commit X-Git-Url: http://git.treefish.org/~alex/cmake-modules/cmake-getgitversion.git/commitdiff_plain/2ed84c23840de23e56fd495853aa5db26708f246?ds=sidebyside initial commit --- 2ed84c23840de23e56fd495853aa5db26708f246 diff --git a/GetGitRevisionDescription.cmake b/GetGitRevisionDescription.cmake new file mode 100644 index 0000000..85eae15 --- /dev/null +++ b/GetGitRevisionDescription.cmake @@ -0,0 +1,130 @@ +# - Returns a version string from Git +# +# These functions force a re-configure on each git commit so that you can +# trust the values of the variables in your build system. +# +# get_git_head_revision( [ ...]) +# +# Returns the refspec and sha hash of the current head revision +# +# git_describe( [ ...]) +# +# Returns the results of git describe on the source tree, and adjusting +# the output so that it tests false if an error occurs. +# +# git_get_exact_tag( [ ...]) +# +# 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 +# matching tag. +# +# Requires CMake 2.6 or newer (uses the 'function' command) +# +# Original Author: +# 2009-2010 Ryan Pavlik +# http://academic.cleardefinition.com +# Iowa State University HCI Graduate Program/VRAC +# +# Copyright Iowa State University 2009-2010. +# Distributed under the Boost Software License, Version 1.0. +# (See accompanying file LICENSE_1_0.txt or copy at +# http://www.boost.org/LICENSE_1_0.txt) + +if(__get_git_revision_description) + return() +endif() +set(__get_git_revision_description YES) + +# We must run the following at "include" time, not at function call time, +# to find the path to this module rather than the path to a calling list file +get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH) + +function(get_git_head_revision _refspecvar _hashvar) + set(GIT_PARENT_DIR "${CMAKE_CURRENT_SOURCE_DIR}") + set(GIT_DIR "${GIT_PARENT_DIR}/.git") + while(NOT EXISTS "${GIT_DIR}") # .git dir not found, search parent directories + set(GIT_PREVIOUS_PARENT "${GIT_PARENT_DIR}") + get_filename_component(GIT_PARENT_DIR ${GIT_PARENT_DIR} PATH) + if(GIT_PARENT_DIR STREQUAL GIT_PREVIOUS_PARENT) + # We have reached the root directory, we are not in git + set(${_refspecvar} "GITDIR-NOTFOUND" PARENT_SCOPE) + set(${_hashvar} "GITDIR-NOTFOUND" PARENT_SCOPE) + return() + endif() + set(GIT_DIR "${GIT_PARENT_DIR}/.git") + endwhile() + # check if this is a submodule + if(NOT IS_DIRECTORY ${GIT_DIR}) + file(READ ${GIT_DIR} submodule) + string(REGEX REPLACE "gitdir: (.*)\n$" "\\1" GIT_DIR_RELATIVE ${submodule}) + get_filename_component(SUBMODULE_DIR ${GIT_DIR} PATH) + get_filename_component(GIT_DIR ${SUBMODULE_DIR}/${GIT_DIR_RELATIVE} ABSOLUTE) + endif() + set(GIT_DATA "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/git-data") + if(NOT EXISTS "${GIT_DATA}") + file(MAKE_DIRECTORY "${GIT_DATA}") + endif() + + if(NOT EXISTS "${GIT_DIR}/HEAD") + return() + endif() + set(HEAD_FILE "${GIT_DATA}/HEAD") + configure_file("${GIT_DIR}/HEAD" "${HEAD_FILE}" COPYONLY) + + configure_file("${_gitdescmoddir}/GetGitRevisionDescription.cmake.in" + "${GIT_DATA}/grabRef.cmake" + @ONLY) + include("${GIT_DATA}/grabRef.cmake") + + set(${_refspecvar} "${HEAD_REF}" PARENT_SCOPE) + set(${_hashvar} "${HEAD_HASH}" PARENT_SCOPE) +endfunction() + +function(git_describe _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() + + # TODO sanitize + #if((${ARGN}" MATCHES "&&") OR + # (ARGN MATCHES "||") OR + # (ARGN MATCHES "\\;")) + # 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}") + #endif() + + #message(STATUS "Arguments to execute_process: ${ARGN}") + + execute_process(COMMAND + "${GIT_EXECUTABLE}" + describe + ${hash} + ${ARGN} + WORKING_DIRECTORY + "${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() + +function(git_get_exact_tag _var) + git_describe(out --exact-match ${ARGN}) + set(${_var} "${out}" PARENT_SCOPE) +endfunction() diff --git a/GetGitRevisionDescription.cmake.in b/GetGitRevisionDescription.cmake.in new file mode 100644 index 0000000..6d8b708 --- /dev/null +++ b/GetGitRevisionDescription.cmake.in @@ -0,0 +1,41 @@ +# +# Internal file for GetGitRevisionDescription.cmake +# +# Requires CMake 2.6 or newer (uses the 'function' command) +# +# Original Author: +# 2009-2010 Ryan Pavlik +# http://academic.cleardefinition.com +# Iowa State University HCI Graduate Program/VRAC +# +# Copyright Iowa State University 2009-2010. +# Distributed under the Boost Software License, Version 1.0. +# (See accompanying file LICENSE_1_0.txt or copy at +# http://www.boost.org/LICENSE_1_0.txt) + +set(HEAD_HASH) + +file(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024) + +string(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS) +if(HEAD_CONTENTS MATCHES "ref") + # named branch + string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}") + if(EXISTS "@GIT_DIR@/${HEAD_REF}") + configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) + else() + configure_file("@GIT_DIR@/packed-refs" "@GIT_DATA@/packed-refs" COPYONLY) + file(READ "@GIT_DATA@/packed-refs" PACKED_REFS) + if(${PACKED_REFS} MATCHES "([0-9a-z]*) ${HEAD_REF}") + set(HEAD_HASH "${CMAKE_MATCH_1}") + endif() + endif() +else() + # detached HEAD + configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY) +endif() + +if(NOT HEAD_HASH) + file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024) + string(STRIP "${HEAD_HASH}" HEAD_HASH) +endif() diff --git a/GetGitVersion.cmake b/GetGitVersion.cmake new file mode 100644 index 0000000..e673152 --- /dev/null +++ b/GetGitVersion.cmake @@ -0,0 +1,43 @@ +# __________________________________________________________________________ __ _ +# get_git_version: +# Obtain version string from git tags via git_describe and parse result into +# convenient version variables. +# +# Tags have to be in the format .*([0-9]+)\.([0-9]+)\.([0-9]+)-(.*), as in +# v1.2.3-rc5, where the expressions in parentheses are interpreted as major, +# minor, patch and extra (package release) version numbers. +# +# Usage: +# include(GetGitVersion) +# get_git_version(VERSION_VARIABLE_PREFIX []) +# +# Following variables are set by get_git_version: +# VERSION_VARIABLE_PREFIX_MAJOR, VERSION_VARIABLE_PREFIX_MINOR, +# VERSION_VARIABLE_PREFIX_PATCH, VERSION_VARIABLE_PREFIX_EXTRA, +# VERSION_VARIABLE_PREFIX +# +# "THE BEER-WARE LICENSE" (Revision 42): +# wrote this file. As long as you retain this notice +# you can do whatever you want with this stuff. If we meet some day, and you +# think this stuff is worth it, you can buy me a beer in return. +# __________________________________________________________________________ __ _ + +function(get_git_version _gitversionprefix) + include(GetGitRevisionDescription) + git_describe(GIT_DESCRIPTION ${ARGN}) + + string(REGEX REPLACE "^[^0-9]*([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_DESCRIPTION}") + string(REGEX REPLACE "^[^0-9]*[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_DESCRIPTION}") + string(REGEX REPLACE "^[^0-9]*[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GIT_DESCRIPTION}") + string(REGEX REPLACE "^[^0-9]*[0-9]+\\.[0-9]+\\.[0-9]+-(.*)" "\\1" VERSION_EXTRA "${GIT_DESCRIPTION}") + string(REGEX REPLACE "([^-]*-g)" "r\\1" VERSION_EXTRA "${VERSION_EXTRA}") + string(REGEX REPLACE "-" "." VERSION_EXTRA "${VERSION_EXTRA}") + + set(${_gitversionprefix}_MAJOR "${VERSION_MAJOR}" PARENT_SCOPE) + set(${_gitversionprefix}_MINOR "${VERSION_MINOR}" PARENT_SCOPE) + set(${_gitversionprefix}_PATCH "${VERSION_PATCH}" PARENT_SCOPE) + set(${_gitversionprefix}_EXTRA "${VERSION_EXTRA}" PARENT_SCOPE) + + set(${_gitversionprefix} + "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}-${VERSION_EXTRA}" PARENT_SCOPE) +endfunction()