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Added git function to retrieve current hash.

This commit is contained in:
Armin Novak 2014-10-09 16:14:09 +02:00
parent 5364a834c4
commit 43faf76a96
1 changed files with 29 additions and 0 deletions
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29
cmake/GetGitRevisionDescription.cmake
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@ -40,6 +40,7 @@ set(__get_git_revision_description YES)
get_filename_component(_gitdescmoddir ${CMAKE_CURRENT_LIST_FILE} PATH)
function(get_git_head_revision _refspecvar _hashvar)
set(GIT_PARENT_DIR "${CMAKE_SOURCE_DIR}")
set(GIT_DIR "${GIT_PARENT_DIR}/.git")
while(NOT EXISTS "${GIT_DIR}") # .git dir not found, search parent directories
@ -73,6 +74,34 @@ function(get_git_head_revision _refspecvar _hashvar)
set(${_hashvar} "${HEAD_HASH}" PARENT_SCOPE)
endfunction()
function(git_rev_parse _var)
if(NOT GIT_FOUND)
find_package(Git QUIET)
endif()
if(NOT GIT_FOUND)
set(${_var} "n/a" PARENT_SCOPE)
return()
endif()
get_git_head_revision(refspec hash)
if(NOT hash)
set(${_var} "n/a" PARENT_SCOPE)
return()
endif()
execute_process(COMMAND "${GIT_EXECUTABLE}" rev-parse ${ARGN} ${hash}
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE res
OUTPUT_VARIABLE out
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT res EQUAL 0)
set(out "n/a")
endif()
set(${_var} "${out}" PARENT_SCOPE)
endfunction()
function(git_describe _var)
if(NOT GIT_FOUND)
find_package(Git QUIET)