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server/cmake/Modules/FindGitInfo.cmake

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################################################################################
#
# Program: FindGitInfo from Slicer
#
# Copyright (c) Kitware Inc.
#
# See COPYRIGHT.txt
# or http://www.slicer.org/copyright/copyright.txt for details.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This file was originally developed by Jean-Christophe Fillion-Robin,
# Kitware Inc. and was partially funded by NIH grant 3P41RR013218-12S1
#
################################################################################
# If the command line client executable is found the macro
# GIT_WC_INFO(<dir> <var-prefix>)
# is defined to extract information of a git working copy at
# a given location.
#
# The macro defines the following variables:
# <var-prefix>_WC_REVISION_HASH - Current SHA1 hash
# <var-prefix>_WC_REVISION - Current SHA1 hash
# <var-prefix>_WC_REVISION_NAME - Name associated with <var-prefix>_WC_REVISION_HASH
# <var-prefix>_WC_URL - output of command `git config --get remote.origin.url'
# <var-prefix>_WC_ROOT - Same value as working copy URL
# <var-prefix>_WC_LAST_CHANGED_DATE - date of last commit
# <var-prefix>_WC_GITSVN - Set to false
# <var-prefix>_WC_LATEST_TAG - Latest tag found in history
# <var-prefix>_WC_LATEST_TAG_LONG - <last tag>-<commits since then>-g<actual commit hash>
#
# ... and also the following ones if it's a git-svn repository:
# <var-prefix>_WC_GITSVN - Set to True if it is a
# <var-prefix>_WC_INFO - output of command `git svn info'
# <var-prefix>_WC_URL - url of the associated SVN repository
# <var-prefix>_WC_ROOT - root url of the associated SVN repository
# <var-prefix>_WC_REVISION - current SVN revision number
# <var-prefix>_WC_LAST_CHANGED_AUTHOR - author of last commit
# <var-prefix>_WC_LAST_CHANGED_DATE - date of last commit
# <var-prefix>_WC_LAST_CHANGED_REV - revision of last commit
# <var-prefix>_WC_LAST_CHANGED_LOG - last log of base revision
#
# Example usage:
# find_package(GitInfo)
# if(GIT_FOUND)
# GIT_WC_INFO(${PROJECT_SOURCE_DIR} Project)
# message("Current revision is ${Project_WC_REVISION_HASH}")
# message("git found: ${GIT_EXECUTABLE}")
# endif()
#
# Look for git. Respect the quiet and required flags passed to this module.
set(FIND_QUIETLY_FLAG "")
if (DEFINED GitInfo_FIND_QUIETLY)
set(FIND_QUIETLY_FLAG "QUIET")
endif ()
set(FIND_REQUIRED_FLAG "")
if (DEFINED GitInfo_FIND_REQUIRED)
set(FIND_REQUIRED_FLAG "REQUIRED")
endif ()
find_package(Git ${FIND_QUIETLY_FLAG} ${FIND_REQUIRED_FLAG})
if(GIT_FOUND)
execute_process(COMMAND ${GIT_EXECUTABLE} --version
OUTPUT_VARIABLE git_version
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (git_version MATCHES "^git version [0-9]")
string(REPLACE "git version " "" GIT_VERSION_STRING "${git_version}")
endif()
unset(git_version)
macro(GIT_WC_INFO dir prefix)
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --verify -q --short=7 HEAD
WORKING_DIRECTORY ${dir}
ERROR_VARIABLE GIT_error
OUTPUT_VARIABLE ${prefix}_WC_REVISION_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(${prefix}_WC_REVISION ${${prefix}_WC_REVISION_HASH})
if(NOT ${GIT_error} EQUAL 0)
message(SEND_ERROR "Command \"${GIT_EXECUTBALE} rev-parse --verify -q --short=7 HEAD\" in directory ${dir} failed with output:\n${GIT_error}")
else(NOT ${GIT_error} EQUAL 0)
execute_process(COMMAND ${GIT_EXECUTABLE} name-rev ${${prefix}_WC_REVISION_HASH}
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_WC_REVISION_NAME
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif(NOT ${GIT_error} EQUAL 0)
execute_process(COMMAND ${GIT_EXECUTABLE} config --get remote.origin.url
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_WC_URL
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND ${GIT_EXECUTABLE} show -s --format="%ci" ${${prefix}_WC_REVISION_HASH}
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_show_output
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE "^([0-9][0-9][0-9][0-9]\\-[0-9][0-9]\\-[0-9][0-9]).*"
"\\1" ${prefix}_WC_LAST_CHANGED_DATE "${${prefix}_show_output}")
execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --abbrev=0
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_WC_LATEST_TAG
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_WC_LATEST_TAG_LONG
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
set(${prefix}_WC_GITSVN False)
# Check if this git is likely to be a git-svn repository
execute_process(COMMAND ${GIT_EXECUTABLE} config --get-regexp "^svn-remote"
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE git_config_output
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT "${git_config_output}" STREQUAL "")
# In case git-svn is used, attempt to extract svn info
execute_process(COMMAND ${GIT_EXECUTABLE} svn info
WORKING_DIRECTORY ${dir}
TIMEOUT 3
ERROR_VARIABLE git_svn_info_error
OUTPUT_VARIABLE ${prefix}_WC_INFO
RESULT_VARIABLE git_svn_info_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(${git_svn_info_result} EQUAL 0)
set(${prefix}_WC_GITSVN True)
string(REGEX REPLACE "^(.*\n)?URL: ([^\n]+).*"
"\\2" ${prefix}_WC_URL "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*"
"\\2" ${prefix}_WC_REVISION "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Repository Root: ([^\n]+).*"
"\\2" ${prefix}_WC_ROOT "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Author: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_AUTHOR "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Rev: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_REV "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Date: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_DATE "${${prefix}_WC_INFO}")
endif(${git_svn_info_result} EQUAL 0)
endif(NOT "${git_config_output}" STREQUAL "")
# If there is no 'remote.origin', default to "NA" value and print a warning message.
if(NOT ${prefix}_WC_URL)
message(WARNING "No remote origin set for git repository: ${dir}" )
set( ${prefix}_WC_URL "NA" )
else()
set(${prefix}_WC_ROOT ${${prefix}_WC_URL})
endif()
endmacro(GIT_WC_INFO)
# Get the version info from the latest tag and set it as the projects version.
#
# Parameters:
# prefix The prefix for all version variables.
#
macro(GIT_VERSION_INFO prefix)
# If this project is not deployed via git, the following version file will
# be used as fallback and needs to be deployed along with the sources. These
# will be generated automatically by depending on the global target
# 'project-version-files', if this project has access to the related git
# repositoy.
set(VERSION_FILE "${PROJECT_SOURCE_DIR}/.version")
if (NOT TARGET project-version-files)
add_custom_target(project-version-files)
endif ()
if (EXISTS "${PROJECT_SOURCE_DIR}/.git")
git_wc_info(${PROJECT_SOURCE_DIR} GIT)
# Add commands and targets for generating the required version file for
# source package deploys. The file will also be to a global property, so
# one is able to access a list of all generated version files, e.g. to
# clean up the source directory after the package has been packed.
add_custom_command(
OUTPUT ${VERSION_FILE}
COMMAND ${GIT_EXECUTABLE} describe --tags > ${VERSION_FILE}
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
set_property(GLOBAL APPEND
PROPERTY GIT_GENERATED_VERSION_FILES "${VERSION_FILE}")
add_custom_target(project-version-files-${prefix} DEPENDS ${VERSION_FILE})
add_dependencies(project-version-files project-version-files-${prefix})
# If git is not available (e.g. this git was packed as .tar.gz), try to read
# the version-info from a hidden file in the root directory. This file
# should not be versioned, but added at packaging time.
elseif (EXISTS "${VERSION_FILE}")
file(READ "${VERSION_FILE}" GIT_WC_LATEST_TAG_LONG)
string(STRIP "${GIT_WC_LATEST_TAG_LONG}" GIT_WC_LATEST_TAG_LONG)
# If no version could be gathered by git or the version file, print a
# warning, so the user has to define a version in the backup version file.
else ()
if (${ARGN} EQUAL "REQUIRED")
message(FATAL_ERROR "No version provided by git or .version file")
else ()
message(WARNING "No version provided by git or .version file")
endif()
endif ()
if (GIT_WC_LATEST_TAG_LONG MATCHES "^([^0-9]*)([0-9]+)[.]([0-9]+)(.*)")
set(${prefix}_VERSION ${GIT_WC_LATEST_TAG_LONG} CACHE STRING "" FORCE)
set(${prefix}_VERSION_MAJOR ${CMAKE_MATCH_2} CACHE STRING "" FORCE)
set(${prefix}_VERSION_MINOR ${CMAKE_MATCH_3} CACHE STRING "" FORCE)
if (GIT_WC_LATEST_TAG_LONG MATCHES
"^([^0-9]*)([0-9]+)[.]([0-9]+)[.]([0-9]+)")
set(${prefix}_VERSION_PATCH ${CMAKE_MATCH_4} CACHE STRING "" FORCE)
else ()
set(${prefix}_VERSION_PATCH 0 CACHE STRING "" FORCE)
endif()
if (GIT_WC_LATEST_TAG_LONG MATCHES
"^([^0-9]*)([0-9]+)[.]([0-9]+)(.*)-([0-9]+)-")
set(${prefix}_VERSION_TWEAK ${CMAKE_MATCH_5} CACHE STRING "" FORCE)
else ()
set(${prefix}_VERSION_TWEAK 0 CACHE STRING "" FORCE)
endif()
mark_as_advanced(${prefix}_VERSION
${prefix}_VERSION_MAJOR
${prefix}_VERSION_MINOR
${prefix}_VERSION_PATCH
${prefix}_VERSION_TWEAK)
else ()
message(FATAL_ERROR "Invalid version info: '${GIT_WC_LATEST_TAG_LONG}'.")
endif ()
endmacro()
endif(GIT_FOUND)
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