$ git clone -n https://gitee.com/src-anolis-os/rear.git /var/lib/mock/dist-an7-updates-build-90846-44210/root/chroot_tmpdir/scmroot/rear
Cloning into '/var/lib/mock/dist-an7-updates-build-90846-44210/root/chroot_tmpdir/scmroot/rear'...
$ git reset --hard origin/a7
HEAD is now at 012320d !4 rebrand: update os.conf for Anolis OS Merge pull request !4 from layne yang/a7