$ git clone -n https://gitee.com/wenyuzifang/pycairo.git /var/lib/mock/dist-an23-build-448463-73409/root/chroot_tmpdir/scmroot/pycairo
Cloning into '/var/lib/mock/dist-an23-build-448463-73409/root/chroot_tmpdir/scmroot/pycairo'...
$ git fetch origin 283d87e52e941af66c51ac9756cb67cf63a38eb3:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/pycairo
 * [new ref]         283d87e52e941af66c51ac9756cb67cf63a38eb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 283d87e Update code from upstream