$ git clone -n https://gitee.com/src-opencloudos-rpms/webkitgtk.git /var/lib/mock/dist-oc9-build-249227-83798/root/chroot_tmpdir/scmroot/webkitgtk
Cloning into '/var/lib/mock/dist-oc9-build-249227-83798/root/chroot_tmpdir/scmroot/webkitgtk'...
$ git fetch origin c21b9f48514def870703b2d987ff456779c30422:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/webkitgtk
 * [new ref]         c21b9f48514def870703b2d987ff456779c30422 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c21b9f4 import webkitgtk-2.52.1-3.tl4