$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/gdk-pixbuf2 /var/lib/mock/dist-el8-build-288-27/root/chroot_tmpdir/scmroot/gdk-pixbuf2
Cloning into '/var/lib/mock/dist-el8-build-288-27/root/chroot_tmpdir/scmroot/gdk-pixbuf2'...
$ git reset --hard origin/a8
HEAD is now at b1358b3 import gdk-pixbuf2-2.36.12-5.el8.src.rpm