$ git clone -n https://gitee.com/wenyuzifang/perl-libnet.git /var/lib/mock/dist-an23-build-449018-73423/root/chroot_tmpdir/scmroot/perl-libnet
Cloning into '/var/lib/mock/dist-an23-build-449018-73423/root/chroot_tmpdir/scmroot/perl-libnet'...
$ git fetch origin eeab72591c4a6ac6c763e9e8280b5c115f52d505:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/perl-libnet
 * [new ref]         eeab72591c4a6ac6c763e9e8280b5c115f52d505 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eeab725 Update code from upstream