1 # **************************************************************************
2 # * Copyright(c) 1998-2014, ALICE Experiment at CERN, All rights reserved. *
4 # * Author: The ALICE Off-line Project. *
5 # * Contributors are mentioned in the code where appropriate. *
7 # * Permission to use, copy, modify and distribute this software and its *
8 # * documentation strictly for non-commercial purposes is hereby granted *
9 # * without fee, provided that the above copyright notice appears in all *
10 # * copies and that both the copyright notice and this permission notice *
11 # * appear in the supporting documentation. The authors make no claims *
12 # * about the suitability of this software for any purpose. It is *
13 # * provided "as is" without express or implied warranty. *
14 # **************************************************************************
16 # Configure ARVerion.h using Git informatiion
17 # Sets 4 git variables
18 # - GIT_REFSPEC - complete name of the current reference
19 # - ALIROOT_BRANCH - name of the branch or tag extracted from the current reference
20 # - GIT_SHA1 - current hash in the long format
21 # - GIT_SHORT_SHA1 - current hash in the short format
22 if(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
23 include(GetGitRevisionDescription)
28 get_git_head_revision(GIT_REFSPEC GIT_SHA1)
30 # GIT_REFSPEC is empty for detached mode = tags in detached mode or checkout to specific hash
32 # returns the closest reference to the current hash
33 # name of the current tag or heads/branch in the case of branches
34 git_describe(ALIROOT_GIT_TAG "--all" "--abbrev=0")
36 STRING(REGEX REPLACE "^(.+/)(.+)/(.*)$" "\\2" BRANCH_TYPE "${GIT_REFSPEC}" )
38 # the revision is not set in the case of a branch, it means we are doing development
39 # and the revision will trigger a reconfiguration
40 if(BRANCH_TYPE STREQUAL "heads")
41 set(ALIROOT_REVISION "ThisIsaBranchNoRevisionProvided")
42 STRING(REGEX REPLACE "^(.+/)(.+/)(.*)$" "\\3" SHORT_BRANCH "${GIT_REFSPEC}" )
44 set(SHORT_BRANCH ${ALIROOT_GIT_TAG})
45 set(ALIROOT_REVISION ${GIT_SHA1})
48 set(ALIROOT_BRANCH ${SHORT_BRANCH})
50 # generate the short version of the revision hash
51 execute_process(COMMAND git rev-parse --short ${GIT_SHA1}
52 WORKING_DIRECTORY ${AliRoot_SOURCE_DIR}
53 OUTPUT_STRIP_TRAILING_WHITESPACE
55 OUTPUT_VARIABLE GIT_SHORT_SHA1)
57 # if the rev-parse fails we set the short sha to the long initial one
59 set(GIT_SHORT_SHA1 ${GIT_SHA1})
62 message(STATUS "Aliroot branch/tag: \"${ALIROOT_BRANCH}\" - Revision: \"${GIT_SHORT_SHA1}\" ")
65 message(STATUS "Git not installed. I can't tell you which revision you are using!")
68 message("AliRoot sources not downloaded from a Version Control System. I can't tell which revision you are using!")
69 endif(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
71 configure_file(${PROJECT_SOURCE_DIR}/cmake/ARVersion.h.tmp ${CMAKE_BINARY_DIR}/version/ARVersion.h @ONLY)
72 install(FILES ${PROJECT_BINARY_DIR}/version/ARVersion.h DESTINATION include)
74 string (REPLACE "-" "." ALIROOT_BRANCH_SPEC "${ALIROOT_BRANCH}")