$ git clone -n https://gitee.com/fundawang/emacs.git /var/lib/mock/dist-an23-build-326632-68995/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/dist-an23-build-326632-68995/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin 21c1dc97fc5c16ed5aaef7560b86b1b11cb7a8a1:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/emacs
 * [new ref]         21c1dc97fc5c16ed5aaef7560b86b1b11cb7a8a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21c1dc9 build with webkit2gtk-4.1