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
23 # - ALIROOT_VERSION - name of the branch/tag
24 # - ALIROOT_VERSION_RPM - name of the branch/tag in rpm format, - replaced with .
25 # - ALIROOT_REVISION - short sha1
26 if(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
27 include(GetGitRevisionDescription)
32 message(STATUS "Git version = ${GIT_VERSION_STRING}")
34 get_git_head_revision(GIT_REFSPEC GIT_SHA1)
36 # generate the short version of the revision hash
37 execute_process(COMMAND git rev-parse --short ${GIT_SHA1}
38 WORKING_DIRECTORY ${AliRoot_SOURCE_DIR}
39 OUTPUT_STRIP_TRAILING_WHITESPACE
41 OUTPUT_VARIABLE GIT_SHORT_SHA1)
43 # if the rev-parse fails we set the short sha to the long initial one
45 set(GIT_SHORT_SHA1 ${GIT_SHA1})
48 # Older Git version < 1.7.3 do not have --count option for rev-list
49 # We use simple rev-list and we count the lines of the output
50 string(COMPARE GREATER "${GIT_VERSION_STRING}" "1.7.3" NEWGIT)
53 # generate the short version of the revision hash using --count
54 execute_process(COMMAND git rev-list --count ${GIT_SHA1}
55 WORKING_DIRECTORY ${AliRoot_SOURCE_DIR}
56 OUTPUT_STRIP_TRAILING_WHITESPACE
57 RESULT_VARIABLE revcount
58 OUTPUT_VARIABLE ALIROOT_SERIAL_ORIGINAL)
60 # generate the short version of the revision hash using -wc -l
61 execute_process(COMMAND git rev-list ${GIT_SHA1}
63 WORKING_DIRECTORY ${AliRoot_SOURCE_DIR}
64 OUTPUT_STRIP_TRAILING_WHITESPACE
65 RESULT_VARIABLE revcount
66 OUTPUT_VARIABLE ALIROOT_SERIAL_ORIGINAL)
69 # GIT_REFSPEC is empty for detached mode = tags in detached mode or checkout to specific hash
71 # returns the closest reference to the current hash
72 # name of the current tag or heads/branch in the case of branches
73 # Older git version of Git report only the name of the tag
74 # Newer version report tags/vAN-20141215
75 # Just in case we replace tags/ with nothing
76 git_describe(ALIROOT_GIT_TAG "--all" "--abbrev=0")
79 string(STRIP ${ALIROOT_GIT_TAG} ALIROOT_GIT_TAG)
80 string(REPLACE "tags/" "" ALIROOT_GIT_TAG ${ALIROOT_GIT_TAG})
81 endif(ALIROOT_GIT_TAG)
83 # using the closest tag for branches
84 git_describe(ALIROOT_CLOSEST_GIT_TAG "--abbrev=0")
87 string(STRIP ${ALIROOT_GIT_TAG} ALIROOT_GIT_TAG)
88 string(REPLACE "tags/" "" ALIROOT_GIT_TAG ${ALIROOT_GIT_TAG})
89 endif(ALIROOT_GIT_TAG)
91 STRING(REGEX REPLACE "^(.+/)(.+)/(.*)$" "\\2" BRANCH_TYPE "${GIT_REFSPEC}" )
93 # the revision is not set in the case of a branch, it means we are doing development
94 # and the revision will trigger a reconfiguration
95 if(BRANCH_TYPE STREQUAL "heads")
96 set(ALIROOT_REVISION "ThisIsaBranchNoRevisionProvided")
98 set(ALIROOT_GIT_TAG ${ALIROOT_CLOSEST_GIT_TAG})
99 STRING(REGEX REPLACE "^(.+/)(.+/)(.*)$" "\\3" SHORT_BRANCH "${GIT_REFSPEC}" )
100 message(STATUS "This is a working branch, ARVersion will not contain the revision and the serial number")
102 set(BRANCH_TYPE "tags")
103 set(SHORT_BRANCH ${ALIROOT_GIT_TAG})
104 set(ALIROOT_REVISION ${GIT_SHORT_SHA1})
105 set(ALIROOT_SERIAL ${ALIROOT_SERIAL_ORIGINAL})
108 set(ALIROOT_BRANCH ${SHORT_BRANCH})
109 set(ALIROOT_VERSION ${SHORT_BRANCH})
111 # extract major minor and patch from AliRoot tag
112 string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+" "\\1" ALIROOT_VERSION_MAJOR "${ALIROOT_GIT_TAG}")
113 string(REGEX REPLACE "^[0-9]+\\.([0-9])+\\.[0-9]+" "\\1" ALIROOT_VERSION_MINOR "${ALIROOT_GIT_TAG}")
114 string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+)" "\\1" ALIROOT_VERSION_PATCH "${ALIROOT_GIT_TAG}")
115 message(STATUS "Found ALIROOT version ${ALIROOT_VERSION_MAJOR}.${ALIROOT_VERSION_MINOR}.${ALIROOT_VERSION_PATCH}")
117 # Replace - with . for rpm creation
118 string(REPLACE "-" "." ALIROOT_VERSION_RPM ${ALIROOT_VERSION})
120 message(STATUS "Aliroot branch/tag: \"${ALIROOT_VERSION}\" - Revision: \"${GIT_SHORT_SHA1}\" - Serial: \"${ALIROOT_SERIAL_ORIGINAL}\"")
123 message(STATUS "Git not installed. I can't tell you which revision you are using!")
126 message("AliRoot sources not downloaded from a Version Control System. I can't tell which revision you are using!")
127 endif(EXISTS ${PROJECT_SOURCE_DIR}/.git/)
129 configure_file(${PROJECT_SOURCE_DIR}/cmake/ARVersion.h.tmp ${CMAKE_BINARY_DIR}/version/ARVersion.h @ONLY)
130 install(FILES ${PROJECT_BINARY_DIR}/version/ARVersion.h DESTINATION include)