$ git clone -n https://gitee.com/rabbitali/gdk-pixbuf2_1764744421.git /var/lib/mock/dist-an23-build-490613-74493/root/chroot_tmpdir/scmroot/gdk-pixbuf2_1764744421
Cloning into '/var/lib/mock/dist-an23-build-490613-74493/root/chroot_tmpdir/scmroot/gdk-pixbuf2_1764744421'...
$ git fetch origin c15403b6aa3b5a7a0110ca50e54dc8d30b6d0c52:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/gdk-pixbuf2_1764744421
 * [new ref]         c15403b6aa3b5a7a0110ca50e54dc8d30b6d0c52 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c15403b Update code from upstream