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## ************************************************************************************************
##
## BornAgain: simulate and fit reflection and scattering
##
##! @file cmake/BornAgain/Git.cmake
##! @brief Retrieve info from Git, and set variables GIT_*, for use in logging.
##!
##! @homepage http://www.bornagainproject.org
##! @license GNU General Public License v3 or higher (see COPYING)
##! @copyright Forschungszentrum Jülich GmbH 2024
##! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
##
## ************************************************************************************************
# obtain the hash of the last commit
execute_process(COMMAND git log --pretty=format:%h -n 1
OUTPUT_VARIABLE GIT_COMMIT
ERROR_QUIET
)
string(STRIP "${GIT_COMMIT}" GIT_COMMIT)
# Check whether we got any revision (which isn't
# always the case, e.g. when someone downloaded a zip
# file from Github instead of a checkout)
if (NOT "${GIT_COMMIT}" STREQUAL "")
# git tag (if any)
execute_process(
COMMAND git describe --exact-match --tags
OUTPUT_VARIABLE GIT_TAG ERROR_QUIET)
# git branch name
execute_process(
COMMAND git branch --show-current
OUTPUT_VARIABLE GIT_BRANCH)
string(STRIP "${GIT_TAG}" GIT_TAG)
string(STRIP "${GIT_BRANCH}" GIT_BRANCH)
endif()
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