$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/grep.git /var/lib/mock/dist-an7-build-31264-15705/root/chroot_tmpdir/scmroot/grep
Cloning into '/var/lib/mock/dist-an7-build-31264-15705/root/chroot_tmpdir/scmroot/grep'...
$ git reset --hard origin/a7
HEAD is now at 89e275e import grep-2.20-3.el7.src.rpm