$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/pixman /var/lib/mock/dist-el8-build-5402-34/root/chroot_tmpdir/scmroot/pixman
Cloning into '/var/lib/mock/dist-el8-build-5402-34/root/chroot_tmpdir/scmroot/pixman'...
$ git reset --hard origin/a8
HEAD is now at 659aadb import pixman-0.38.4-1.el8.src.rpm