$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/libXcomposite /var/lib/mock/dist-el8-build-3678-34/root/chroot_tmpdir/scmroot/libXcomposite
Cloning into '/var/lib/mock/dist-el8-build-3678-34/root/chroot_tmpdir/scmroot/libXcomposite'...
$ git reset --hard origin/a8
HEAD is now at e8ef278 import libXcomposite-0.4.4-14.el8.src.rpm