$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/expat /var/lib/mock/dist-el8-build-242-27/root/chroot_tmpdir/scmroot/expat
Cloning into '/var/lib/mock/dist-el8-build-242-27/root/chroot_tmpdir/scmroot/expat'...
$ git reset --hard origin/a8
HEAD is now at 06ec4dd import expat-2.2.5-3.el8.src.rpm