$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/powerpc-utils /var/lib/mock/dist-el8-build-1454-27/root/chroot_tmpdir/scmroot/powerpc-utils
Cloning into '/var/lib/mock/dist-el8-build-1454-27/root/chroot_tmpdir/scmroot/powerpc-utils'...
$ git reset --hard origin/a8
HEAD is now at 4b8791b import powerpc-utils-1.3.6-5.el8.src.rpm