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# (C) Copyright 2011- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
set( ECBUILD_GIT ON CACHE BOOL "Turn on/off ecbuild_git() function" )
mark_as_advanced(ECBUILD_GIT)
if( ECBUILD_GIT )
find_package(Git)
set( ECMWF_USER $ENV{USER} CACHE STRING "ECMWF git user" )
set( ECMWF_GIT SSH CACHE STRING "ECMWF git protocol" )
set( ECMWF_GIT_SSH "ssh://git@git.ecmwf.int" CACHE INTERNAL "ECMWF ssh address" )
set( ECMWF_GIT_HTTPS "https://${ECMWF_USER}@git.ecmwf.int/scm" CACHE INTERNAL "ECMWF https address" )
if( ECMWF_GIT MATCHES "[Ss][Ss][Hh]" )
set( ECMWF_GIT_ADDRESS ${ECMWF_GIT_SSH} CACHE INTERNAL "" )
else()
set( ECMWF_GIT_ADDRESS ${ECMWF_GIT_HTTPS} CACHE INTERNAL "" )
endif()
endif()
##############################################################################
#.rst:
#
# ecbuild_git
# ===========
#
# Manages an external Git repository. ::
#
# ecbuild_git( PROJECT <name>
# DIR <directory>
# URL <giturl>
# [ BRANCH <gitbranch> | TAG <gittag> ]
# [ UPDATE | NOREMOTE ] )
# [ MANUAL ] )
#
# Options
# -------
#
# PROJECT : required
# project name for the Git repository to be managed
#
# DIR : required
# directory to clone the repository into (can be relative)
#
# URL : required
# Git URL of the remote repository to clone (see ``git help clone``)
#
# BRANCH : optional, cannot be combined with TAG
# Git branch to check out
#
# TAG : optional, cannot be combined with BRANCH
# Git tag or commit id to check out
#
# UPDATE : optional, requires BRANCH, cannot be combined with NOREMOTE
# Create a CMake target update to fetch changes from the remote repository
#
# NOREMOTE : optional, cannot be combined with UPDATE
# Do not fetch changes from the remote repository
#
# MANUAL : optional
# Do not automatically switch branches or tags
#
##############################################################################
macro( ecbuild_git )
set( options UPDATE NOREMOTE MANUAL )
set( single_value_args PROJECT DIR URL TAG BRANCH )
set( multi_value_args )
cmake_parse_arguments( _PAR "${options}" "${single_value_args}" "${multi_value_args}" ${_FIRST_ARG} ${ARGN} )
if( DEFINED _PAR_BRANCH AND DEFINED _PAR_TAG )
ecbuild_critical( "Cannot defined both BRANCH and TAG in macro ecbuild_git" )
endif()
if( _PAR_UPDATE AND _PAR_NOREMOTE )
ecbuild_critical( "Cannot pass both NOREMOTE and UPDATE in macro ecbuild_git" )
endif()
if(_PAR_UNPARSED_ARGUMENTS)
ecbuild_critical("Unknown keywords given to ecbuild_git(): \"${_PAR_UNPARSED_ARGUMENTS}\"")
endif()
if( ECBUILD_GIT )
set( _needs_switch 0 )
get_filename_component( ABS_PAR_DIR "${_PAR_DIR}" ABSOLUTE )
get_filename_component( PARENT_DIR "${_PAR_DIR}/.." ABSOLUTE )
### clone if no directory
if( NOT EXISTS "${_PAR_DIR}" )
ecbuild_info( "Cloning ${_PAR_PROJECT} from ${_PAR_URL} into ${_PAR_DIR}...")
execute_process(
COMMAND ${GIT_EXECUTABLE} "clone" ${_PAR_URL} ${clone_args} ${_PAR_DIR} "-q"
RESULT_VARIABLE nok ERROR_VARIABLE error
WORKING_DIRECTORY "${PARENT_DIR}")
if(nok)
ecbuild_critical("${_PAR_DIR} git clone failed:\n ${GIT_EXECUTABLE} clone ${_PAR_URL} ${clone_args} ${_PAR_DIR} -q\n ${error}\n")
endif()
ecbuild_info( "${_PAR_DIR} retrieved.")
set( _needs_switch 1 )
endif()
### check current tag and sha1
if( IS_DIRECTORY "${_PAR_DIR}/.git" )
execute_process( COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
OUTPUT_VARIABLE _sha1 RESULT_VARIABLE nok ERROR_VARIABLE error
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY "${ABS_PAR_DIR}" )
if(nok)
ecbuild_info("git rev-parse HEAD on ${_PAR_DIR} failed:\n ${error}")
endif()
execute_process( COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD
OUTPUT_VARIABLE _current_branch RESULT_VARIABLE nok ERROR_VARIABLE error
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY "${ABS_PAR_DIR}" )
if( nok OR _current_branch STREQUAL "" )
ecbuild_info("git rev-parse --abbrev-ref HEAD on ${_PAR_DIR} failed:\n ${error}")
endif()
execute_process( COMMAND ${GIT_EXECUTABLE} describe --exact-match --abbrev=0
OUTPUT_VARIABLE _current_tag RESULT_VARIABLE nok ERROR_VARIABLE error
OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY "${ABS_PAR_DIR}" )
if( error MATCHES "no tag exactly matches" OR error MATCHES "No names found" )
unset( _current_tag )
else()
if( nok )
ecbuild_info("git describe --exact-match --abbrev=0 on ${_PAR_DIR} failed:\n ${error}")
endif()
endif()
if( NOT _current_tag ) # try nother method
execute_process( COMMAND ${GIT_EXECUTABLE} name-rev --tags --name-only ${_sha1}
OUTPUT_VARIABLE _current_tag RESULT_VARIABLE nok ERROR_VARIABLE error
OUTPUT_STRIP_TRAILING_WHITESPACE
WORKING_DIRECTORY "${ABS_PAR_DIR}" )
if( nok OR _current_tag STREQUAL "" )
ecbuild_info("git name-rev --tags --name-only on ${_PAR_DIR} failed:\n ${error}")
endif()
endif()
endif()
if( NOT _PAR_MANUAL AND DEFINED _PAR_BRANCH AND NOT "${_current_branch}" STREQUAL "${_PAR_BRANCH}" )
set( _needs_switch 1 )
endif()
if( NOT _PAR_MANUAL AND DEFINED _PAR_TAG AND NOT "${_current_tag}" STREQUAL "${_PAR_TAG}" )
set( _needs_switch 1 )
endif()
if( DEFINED _PAR_BRANCH AND _PAR_UPDATE AND NOT _PAR_NOREMOTE )
add_custom_target( git_update_${_PAR_PROJECT}
COMMAND "${GIT_EXECUTABLE}" pull -q
WORKING_DIRECTORY "${ABS_PAR_DIR}"
COMMENT "git pull of branch ${_PAR_BRANCH} on ${_PAR_DIR}" )
set( git_update_targets "git_update_${_PAR_PROJECT};${git_update_targets}" )
endif()
### updates
if( _needs_switch AND IS_DIRECTORY "${_PAR_DIR}/.git" )
if( DEFINED _PAR_BRANCH )
set ( _gitref ${_PAR_BRANCH} )
ecbuild_info("Updating ${_PAR_PROJECT} to head of BRANCH ${_PAR_BRANCH}...")
else()
ecbuild_info("Updating ${_PAR_PROJECT} to TAG ${_PAR_TAG}...")
set ( _gitref ${_PAR_TAG} )
endif()
# fetching latest tags and branches
if( NOT _PAR_NOREMOTE )
ecbuild_info("git fetch --all @ ${ABS_PAR_DIR}")
execute_process( COMMAND "${GIT_EXECUTABLE}" fetch --all -q
RESULT_VARIABLE nok ERROR_VARIABLE error
WORKING_DIRECTORY "${ABS_PAR_DIR}")
if(nok)
ecbuild_warn("git fetch --all in ${_PAR_DIR} failed:\n ${error}")
endif()
ecbuild_info("git fetch --all --tags @ ${ABS_PAR_DIR}")
execute_process( COMMAND "${GIT_EXECUTABLE}" fetch --all --tags -q
RESULT_VARIABLE nok ERROR_VARIABLE error
WORKING_DIRECTORY "${ABS_PAR_DIR}")
if(nok)
ecbuild_warn("git fetch --all --tags in ${_PAR_DIR} failed:\n ${error}")
endif()
else()
ecbuild_info("${_PAR_DIR} marked NOREMOTE : Skipping git fetch")
endif()
# checking out gitref
ecbuild_info("git checkout ${_gitref} @ ${ABS_PAR_DIR}")
execute_process( COMMAND "${GIT_EXECUTABLE}" checkout -q "${_gitref}"
RESULT_VARIABLE nok ERROR_VARIABLE error
WORKING_DIRECTORY "${ABS_PAR_DIR}")
if(nok)
ecbuild_critical("git checkout ${_gitref} on ${_PAR_DIR} failed:\n ${GIT_EXECUTABLE} checkout -q ${_gitref}\n ${error}")
endif()
if( DEFINED _PAR_BRANCH AND _PAR_UPDATE ) #############################################################################
# Use git pull --ff-only, we WANT this to fail on upstream rebase and
# we DON'T want merge commits here!
execute_process( COMMAND "${GIT_EXECUTABLE}" pull -q --ff-only
RESULT_VARIABLE nok ERROR_VARIABLE error
WORKING_DIRECTORY "${ABS_PAR_DIR}")
if(nok)
ecbuild_critical("git pull of branch ${_PAR_BRANCH} on ${_PAR_DIR} failed:\n ${error}")
endif()
endif() ####################################################################################
endif( _needs_switch AND IS_DIRECTORY "${_PAR_DIR}/.git" )
endif( ECBUILD_GIT )
endmacro()
##############################################################################
#.rst:
#
# ecbuild_stash
# =============
#
# Manages an external Git repository on ECMWF Stash. ::
#
# ecbuild_stash( PROJECT <name>
# DIR <directory>
# STASH <repository>
# [ BRANCH <gitbranch> | TAG <gittag> ]
# [ UPDATE | NOREMOTE ] )
# [ MANUAL ] )
#
# Options
# -------
#
# PROJECT : required
# project name for the Git repository to be managed
#
# DIR : required
# directory to clone the repository into (can be relative)
#
# STASH : required
# Stash repository in the form <project>/<repository>
#
# BRANCH : optional, cannot be combined with TAG
# Git branch to check out
#
# TAG : optional, cannot be combined with BRANCH
# Git tag or commit id to check out
#
# UPDATE : optional, requires BRANCH, cannot be combined with NOREMOTE
# Create a CMake target update to fetch changes from the remote repository
#
# NOREMOTE : optional, cannot be combined with UPDATE
# Do not fetch changes from the remote repository
#
# MANUAL : optional
# Do not automatically switch branches or tags
#
##############################################################################
macro( ecmwf_stash )
set( options )
set( single_value_args STASH )
set( multi_value_args )
cmake_parse_arguments( _PAR "${options}" "${single_value_args}" "${multi_value_args}" ${_FIRST_ARG} ${ARGN} )
ecbuild_git( URL "${ECMWF_GIT_ADDRESS}/${_PAR_STASH}.git" ${_PAR_UNPARSED_ARGUMENTS} )
endmacro()
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