$ git clone -n https://gitee.com/wenyuzifang/gdk-pixbuf2_1758007900.git /var/lib/mock/dist-an23-build-469014-74027/root/chroot_tmpdir/scmroot/gdk-pixbuf2_1758007900
Cloning into '/var/lib/mock/dist-an23-build-469014-74027/root/chroot_tmpdir/scmroot/gdk-pixbuf2_1758007900'...
$ git fetch origin 7ebcb29bbe132b9e027968913d2d85b14dc8b53c:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gdk-pixbuf2_1758007900
 * [new ref]         7ebcb29bbe132b9e027968913d2d85b14dc8b53c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ebcb29 Update code from upstream