$ git clone -n https://gitee.com/wenyuzifang/trousers_1757645954.git /var/lib/mock/dist-an23-build-468723-74027/root/chroot_tmpdir/scmroot/trousers_1757645954
Cloning into '/var/lib/mock/dist-an23-build-468723-74027/root/chroot_tmpdir/scmroot/trousers_1757645954'...
$ git fetch origin 29ccfe05ac66c884d1aa40cd8aa685999a5fb8f8:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/trousers_1757645954
 * [new ref]         29ccfe05ac66c884d1aa40cd8aa685999a5fb8f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29ccfe0 Update code from upstream