$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gdb /var/lib/mock/dist-el8-build-5539-34/root/chroot_tmpdir/scmroot/gdb
Cloning into '/var/lib/mock/dist-el8-build-5539-34/root/chroot_tmpdir/scmroot/gdb'...
$ git reset --hard origin/a8
HEAD is now at 2f6dffa import gdb-8.2-11.el8.src.rpm