$ git clone -n https://gitee.com/guost123/webkitgtk_update.git /var/lib/mock/dist-an23-build-442130-73171/root/chroot_tmpdir/scmroot/webkitgtk_update
Cloning into '/var/lib/mock/dist-an23-build-442130-73171/root/chroot_tmpdir/scmroot/webkitgtk_update'...
$ git fetch origin bcb604d6c5b7bbd2b4e2b0e173ff6b7359f14ffc:KOJI_FETCH_HEAD
From https://gitee.com/guost123/webkitgtk_update
 * [new ref]         bcb604d6c5b7bbd2b4e2b0e173ff6b7359f14ffc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcb604d add support for riscv64