From 2717803745b8c4f9c7dbc5306560cac52323860b Mon Sep 17 00:00:00 2001 From: DoctorWho11 <11doctorwhocanada@gmail.com> Date: Fri, 12 Jun 2015 08:04:26 -0400 Subject: [PATCH] added git support to cmakelists.txt --- CMakeLists.txt | 24 ++- CMakeScripts/GetGitRevisionDescription.cmake | 155 ++++++++++++++++++ .../GetGitRevisionDescription.cmake.in | 38 +++++ 3 files changed, 209 insertions(+), 8 deletions(-) create mode 100644 CMakeScripts/GetGitRevisionDescription.cmake create mode 100644 CMakeScripts/GetGitRevisionDescription.cmake.in diff --git a/CMakeLists.txt b/CMakeLists.txt index 53fecbaf..7d6d7bcb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -39,15 +39,23 @@ endif( NOT ENABLE_DEBUGGER AND ENABLE_SDL ) # Set the version number with -DVERSION=X.X.X-uber IF( NOT VERSION ) #Will need to change this over to git - SET( VERSION "2.0.0-SVN" ) + SET( VERSION "https://github.com/visualboyadvance-m/visualboyadvance-m" ) - IF(EXISTS "${CMAKE_SOURCE_DIR}/.svn") - FIND_PACKAGE(Subversion) - IF(SUBVERSION_FOUND) - Subversion_WC_INFO(${CMAKE_SOURCE_DIR} SVN_INFO) - SET( VERSION "2.0.0-SVN${SVN_INFO_WC_REVISION}" ) - ENDIF(SUBVERSION_FOUND) - ENDIF(EXISTS "${CMAKE_SOURCE_DIR}/.svn") + #openmw does this + if(EXISTS ${PROJECT_SOURCE_DIR}/.git) + if(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/shallow) + find_package(Git) + if(GIT_FOUND) + include(GetGitRevisionDescription) + get_git_head_revision(REFSPEC COMMITHASH) + SET( VERSION "GIT Commit: " ${COMMITHASH} ) + else(GIT_FOUND) + message(WARNING "Git executable not found") + endif(GIT_FOUND) + else(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/shallow) + message(STATUS "Shallow Git clone detected, not attempting to retrieve version info") + endif(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/shallow) + endif(EXISTS ${PROJECT_SOURCE_DIR}/.git) ENDIF( NOT VERSION ) # Fill in SDLMAIN_LIBRARY on OS X manually to avoid using SDLMain.m diff --git a/CMakeScripts/GetGitRevisionDescription.cmake b/CMakeScripts/GetGitRevisionDescription.cmake new file mode 100644 index 00000000..fade483e --- /dev/null +++ b/CMakeScripts/GetGitRevisionDescription.cmake @@ -0,0 +1,155 @@ +# - 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) + #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_SOURCE_DIR}" + RESULT_VARIABLE + res + OUTPUT_VARIABLE + out + OUTPUT_STRIP_TRAILING_WHITESPACE) + + if(NOT res EQUAL 0) + set(out "${out}-${res}-NOTFOUND") + endif() + + set(${_var} "${out}" PARENT_SCOPE) +endfunction() + +function(get_git_tag_revision _var) + if(NOT GIT_FOUND) + set(${_var} "GIT-NOTFOUND" PARENT_SCOPE) + return() + endif() + + execute_process(COMMAND + "${GIT_EXECUTABLE}" + rev-list + ${ARGN} + WORKING_DIRECTORY + "${CMAKE_SOURCE_DIR}" + RESULT_VARIABLE + res + OUTPUT_VARIABLE + out + OUTPUT_STRIP_TRAILING_WHITESPACE) + if(NOT res EQUAL 0) + set(out "${out}-${res}-NOTFOUND") + endif() + + set(${_var} "${out}" PARENT_SCOPE) +endfunction() + + + diff --git a/CMakeScripts/GetGitRevisionDescription.cmake.in b/CMakeScripts/GetGitRevisionDescription.cmake.in new file mode 100644 index 00000000..888ce13a --- /dev/null +++ b/CMakeScripts/GetGitRevisionDescription.cmake.in @@ -0,0 +1,38 @@ +# +# 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) + elseif(EXISTS "@GIT_DIR@/logs/${HEAD_REF}") + configure_file("@GIT_DIR@/logs/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) + set(HEAD_HASH "${HEAD_REF}") + endif() +else() + # detached HEAD + configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY) +endif() + +if(NOT HEAD_HASH) + file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024) + string(STRIP "${HEAD_HASH}" HEAD_HASH) +endif()