$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/systemd /var/lib/mock/dist-el8-build-7111-305/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-el8-build-7111-305/root/chroot_tmpdir/scmroot/systemd'...
$ git reset --hard origin/a8
HEAD is now at d1f835b import systemd-239-29.el8.src.rpm