$ git clone -n https://gitee.com/mgb01105731/librsvg2_1764838555.git /var/lib/mock/dist-an23-build-491869-74546/root/chroot_tmpdir/scmroot/librsvg2_1764838555
Cloning into '/var/lib/mock/dist-an23-build-491869-74546/root/chroot_tmpdir/scmroot/librsvg2_1764838555'...
$ git fetch origin a822a5204a8065190644d1186089f8770c6beb81:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/librsvg2_1764838555
 * [new ref]         a822a5204a8065190644d1186089f8770c6beb81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a822a52 Update code from upstream