$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/systemtap /var/lib/mock/dist-el8-build-5586-34/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/dist-el8-build-5586-34/root/chroot_tmpdir/scmroot/systemtap'...
$ git reset --hard origin/a8
HEAD is now at f2f3f6e import systemtap-4.2-6.el8.src.rpm