$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gtk2 /var/lib/mock/dist-el8-build-6268-88/root/chroot_tmpdir/scmroot/gtk2
Cloning into '/var/lib/mock/dist-el8-build-6268-88/root/chroot_tmpdir/scmroot/gtk2'...
$ git reset --hard origin/a8
HEAD is now at 7413a12 import gtk2-2.24.32-4.el8.src.rpm