$ git clone -n https://gitee.com/fundawang/gtk2.git /var/lib/mock/dist-an23-build-352677-70993/root/chroot_tmpdir/scmroot/gtk2
Cloning into '/var/lib/mock/dist-an23-build-352677-70993/root/chroot_tmpdir/scmroot/gtk2'...
$ git fetch origin 9879dfad3cfe50788f9e678cb1e73db5f7d3d475:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/gtk2
 * [new ref]         9879dfad3cfe50788f9e678cb1e73db5f7d3d475 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9879dfa Recognize loongarch64