$ git clone -n https://src.fedoraproject.org/rpms/mariadb-connector-odbc.git /var/lib/mock/f38-build-side-42-init-devel-1267357-30643/root/chroot_tmpdir/scmroot/mariadb-connector-odbc
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1267357-30643/root/chroot_tmpdir/scmroot/mariadb-connector-odbc'...
$ git fetch origin 4ef00050a4d713e637c3d8056e5a79bb619373db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mariadb-connector-odbc
 * [new ref]         4ef00050a4d713e637c3d8056e5a79bb619373db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ef0005 Rebase to 3.1.19