$ git clone -n https://gitee.com/renbo02/sane-backends.git /var/lib/mock/dist-an8.9-build-341607-69888/root/chroot_tmpdir/scmroot/sane-backends
Cloning into '/var/lib/mock/dist-an8.9-build-341607-69888/root/chroot_tmpdir/scmroot/sane-backends'...
$ git fetch origin 1e4a1d07c1222d6adca6c7cb353d165598d16cab:KOJI_FETCH_HEAD
From https://gitee.com/renbo02/sane-backends
 * [new ref]         1e4a1d07c1222d6adca6c7cb353d165598d16cab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e4a1d0 change the way to create user