$ git clone -n https://gitee.com/hev/rust.git /var/lib/mock/dist-an23-build-306448-66887/root/chroot_tmpdir/scmroot/rust
Cloning into '/var/lib/mock/dist-an23-build-306448-66887/root/chroot_tmpdir/scmroot/rust'...
$ git fetch origin f8f59f9c1cf6c31f0fce115780283171efc834c2:KOJI_FETCH_HEAD
From https://gitee.com/hev/rust
 * [new ref]         f8f59f9c1cf6c31f0fce115780283171efc834c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8f59f9 Add support for loongarch64