$ git clone -n https://gitee.com/fundawang/unbound.git /var/lib/mock/dist-an23-build-353970-71027/root/chroot_tmpdir/scmroot/unbound
Cloning into '/var/lib/mock/dist-an23-build-353970-71027/root/chroot_tmpdir/scmroot/unbound'...
$ git fetch origin 3ae44c283855d97ed372de7e4858ef31b0e0d94b:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/unbound
 * [new ref]         3ae44c283855d97ed372de7e4858ef31b0e0d94b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ae44c2 1.19.1