$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/qt5-qtbase /var/lib/mock/dist-el8-build-6532-128/root/chroot_tmpdir/scmroot/qt5-qtbase
Cloning into '/var/lib/mock/dist-el8-build-6532-128/root/chroot_tmpdir/scmroot/qt5-qtbase'...
$ git reset --hard origin/a8
HEAD is now at 2a85b6c import qt5-qtbase-5.12.5-4.el8.src.rpm