$ git clone -n https://gitee.com/src-opencloudos-rpms/gnome-shell.git /var/lib/mock/dist-oc8-build-243564-83138/root/chroot_tmpdir/scmroot/gnome-shell
Cloning into '/var/lib/mock/dist-oc8-build-243564-83138/root/chroot_tmpdir/scmroot/gnome-shell'...
$ git fetch origin ec482c0d6cf16701f659984b936ba166c5d942e3:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/gnome-shell
 * [new ref]         ec482c0d6cf16701f659984b936ba166c5d942e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec482c0 import gnome-shell-3.32.2-60.tl3