GIT_REPOSITORY https://github.com/manticoresoftware/columnar.git GIT_TAG "${AUTO_TAG}"
------------------------------------------------------
Only 1-st line of this file is mandatory and important.
Default line here is GIT_REPOSITORY https://github.com/manticoresoftware/columnar.git GIT_TAG ${AUTO_TAG}
AUTO_TAG to automatically substituted by 'cX-sY' where X is columnar API version, and Y is secondary API version