$ git clone -n https://gitee.com/yan1hcdc/unbound.git /mnt/mock/kojid//dist-an23.5-riscv-build-544990-86949/root/chroot_tmpdir/scmroot/unbound
Cloning into '/mnt/mock/kojid//dist-an23.5-riscv-build-544990-86949/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/unbound
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05f2986 fix assertion failure testcode/unitverify on riscv64