1*f94106abSDominic Spill# 2*f94106abSDominic Spill# Internal file for GetGitRevisionDescription.cmake 3*f94106abSDominic Spill# 4*f94106abSDominic Spill# Requires CMake 2.6 or newer (uses the 'function' command) 5*f94106abSDominic Spill# 6*f94106abSDominic Spill# Original Author: 7*f94106abSDominic Spill# 2009-2010 Ryan Pavlik <[email protected]> <[email protected]> 8*f94106abSDominic Spill# http://academic.cleardefinition.com 9*f94106abSDominic Spill# Iowa State University HCI Graduate Program/VRAC 10*f94106abSDominic Spill# 11*f94106abSDominic Spill# Copyright Iowa State University 2009-2010. 12*f94106abSDominic Spill# Distributed under the Boost Software License, Version 1.0. 13*f94106abSDominic Spill# (See accompanying file LICENSE_1_0.txt or copy at 14*f94106abSDominic Spill# http://www.boost.org/LICENSE_1_0.txt) 15*f94106abSDominic Spill 16*f94106abSDominic Spillset(HEAD_HASH) 17*f94106abSDominic Spill 18*f94106abSDominic Spillfile(READ "@HEAD_FILE@" HEAD_CONTENTS LIMIT 1024) 19*f94106abSDominic Spill 20*f94106abSDominic Spillstring(STRIP "${HEAD_CONTENTS}" HEAD_CONTENTS) 21*f94106abSDominic Spillif(HEAD_CONTENTS MATCHES "ref") 22*f94106abSDominic Spill # named branch 23*f94106abSDominic Spill string(REPLACE "ref: " "" HEAD_REF "${HEAD_CONTENTS}") 24*f94106abSDominic Spill if(EXISTS "@GIT_DIR@/${HEAD_REF}") 25*f94106abSDominic Spill configure_file("@GIT_DIR@/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) 26*f94106abSDominic Spill elseif(EXISTS "@GIT_DIR@/logs/${HEAD_REF}") 27*f94106abSDominic Spill configure_file("@GIT_DIR@/logs/${HEAD_REF}" "@GIT_DATA@/head-ref" COPYONLY) 28*f94106abSDominic Spill set(HEAD_HASH "${HEAD_REF}") 29*f94106abSDominic Spill endif() 30*f94106abSDominic Spillelse() 31*f94106abSDominic Spill # detached HEAD 32*f94106abSDominic Spill configure_file("@GIT_DIR@/HEAD" "@GIT_DATA@/head-ref" COPYONLY) 33*f94106abSDominic Spillendif() 34*f94106abSDominic Spill 35*f94106abSDominic Spillif(NOT HEAD_HASH) 36*f94106abSDominic Spill file(READ "@GIT_DATA@/head-ref" HEAD_HASH LIMIT 1024) 37*f94106abSDominic Spill string(STRIP "${HEAD_HASH}" HEAD_HASH) 38*f94106abSDominic Spill string(SUBSTRING ${HEAD_HASH} 0 7 HEAD_HASH) 39*f94106abSDominic Spillendif() 40