$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/cyrus-imapd /var/lib/mock/dist-el8-build-6825-241/root/chroot_tmpdir/scmroot/cyrus-imapd
Cloning into '/var/lib/mock/dist-el8-build-6825-241/root/chroot_tmpdir/scmroot/cyrus-imapd'...
$ git reset --hard origin/a8
HEAD is now at 8781e85 import cyrus-imapd-3.0.7-16.el8.src.rpm