$ git clone -n http://fedora.riscv.rocks:3000/rpms/mariadb.git /var/lib/mock/f40-build-754882-118002/root/chroot_tmpdir/scmroot/mariadb
Cloning into '/var/lib/mock/f40-build-754882-118002/root/chroot_tmpdir/scmroot/mariadb'...
$ git fetch origin 879d1e7aa7455663f905d77af57642ed068597d9:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/mariadb
 * [new ref]         879d1e7aa7455663f905d77af57642ed068597d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 879d1e7 Add support for riscv64