$ git clone -n https://gitee.com/wenyuzifang/librsvg2_1764915884.git /var/lib/mock/dist-an23-build-492380-74553/root/chroot_tmpdir/scmroot/librsvg2_1764915884
Cloning into '/var/lib/mock/dist-an23-build-492380-74553/root/chroot_tmpdir/scmroot/librsvg2_1764915884'...
$ git fetch origin 554755eb9fb26e09456e44b34884f4bcf70c0b54:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/librsvg2_1764915884
 * [new ref]         554755eb9fb26e09456e44b34884f4bcf70c0b54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 554755e Update code from upstream