$ git clone -n https://gitee.com/hongwei-qin/git.git /var/lib/mock/dist-an8.10-build-450287-73450/root/chroot_tmpdir/scmroot/git
Cloning into '/var/lib/mock/dist-an8.10-build-450287-73450/root/chroot_tmpdir/scmroot/git'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/hongwei-qin/git
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6db949b Skip some test on aarch64