$ git clone -n https://src.fedoraproject.org/rpms/libdbi-drivers.git /var/lib/mock/f45-build-16033-481/root/chroot_tmpdir/scmroot/libdbi-drivers
Cloning into '/var/lib/mock/f45-build-16033-481/root/chroot_tmpdir/scmroot/libdbi-drivers'...
$ git fetch origin bbc6589b511c0e49dd305cd69ca8e29f7aeae714:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libdbi-drivers
 * [new ref]         bbc6589b511c0e49dd305cd69ca8e29f7aeae714 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbc6589 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild