$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Digest-MD5.git /var/lib/mock/dist-an7-build-29575-15403/root/chroot_tmpdir/scmroot/perl-Digest-MD5
Cloning into '/var/lib/mock/dist-an7-build-29575-15403/root/chroot_tmpdir/scmroot/perl-Digest-MD5'...
$ git reset --hard origin/a7
HEAD is now at 899cec1 import perl-Digest-MD5-2.52-3.el7.src.rpm