$ git clone -n https://gitee.com/src-opencloudos-rpms/fakeroot.git /var/lib/mock/dist-oc9-build-49966-14595/root/chroot_tmpdir/scmroot/fakeroot
Cloning into '/var/lib/mock/dist-oc9-build-49966-14595/root/chroot_tmpdir/scmroot/fakeroot'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/fakeroot
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 215f306 import fakeroot-1.29-3.tl4