$ git clone -n https://gitee.com/src-anolis-os/mailman.git /var/lib/mock/dist-an7-updates-build-64873-36815/root/chroot_tmpdir/scmroot/mailman
Cloning into '/var/lib/mock/dist-an7-updates-build-64873-36815/root/chroot_tmpdir/scmroot/mailman'...
$ git reset --hard origin/a7
HEAD is now at 13b37f8 !1 update version to errata Merge pull request !1 from xzyang/a7