$ git clone -n https://src.fedoraproject.org/rpms/golang-github-yvasiyarov-newrelic-platform.git /var/lib/mock/f45-build-12620-442/root/chroot_tmpdir/scmroot/golang-github-yvasiyarov-newrelic-platform
Cloning into '/var/lib/mock/f45-build-12620-442/root/chroot_tmpdir/scmroot/golang-github-yvasiyarov-newrelic-platform'...
$ git fetch origin b15594fa3292e5590263b1081f72dd884eb4b1ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-yvasiyarov-newrelic-platform
 * [new ref]         b15594fa3292e5590263b1081f72dd884eb4b1ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b15594f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild