$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libical /var/lib/mock/dist-el8-build-5795-43/root/chroot_tmpdir/scmroot/libical
Cloning into '/var/lib/mock/dist-el8-build-5795-43/root/chroot_tmpdir/scmroot/libical'...
$ git reset --hard origin/a8
HEAD is now at 02c852e import libical-3.0.3-3.el8.src.rpm