$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gnome-system-monitor /var/lib/mock/dist-el8-build-2868-28/root/chroot_tmpdir/scmroot/gnome-system-monitor
Cloning into '/var/lib/mock/dist-el8-build-2868-28/root/chroot_tmpdir/scmroot/gnome-system-monitor'...
$ git reset --hard origin/a8
HEAD is now at 2c26ade import gnome-system-monitor-3.28.2-1.el8.src.rpm