$ git clone -n https://gitee.com/src-opencloudos-rpms/git.git /var/lib/mock/dist-oc8-build-138099-79637/root/chroot_tmpdir/scmroot/git
Cloning into '/var/lib/mock/dist-oc8-build-138099-79637/root/chroot_tmpdir/scmroot/git'...
$ git fetch origin b495eb7fc12312e51df3947d491d9d8bae828fed:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/git
 * [new ref]         b495eb7fc12312e51df3947d491d9d8bae828fed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b495eb7 import git-2.43.5-3.tl3