$ git clone -n http://8.131.229.236/anolis-os/kexec-tools /var/lib/mock/dist-an8-build-17918-8182/root/chroot_tmpdir/scmroot/kexec-tools
Cloning into '/var/lib/mock/dist-an8-build-17918-8182/root/chroot_tmpdir/scmroot/kexec-tools'...
$ git reset --hard origin/a8
HEAD is now at b114b4f update to kexec-tools-2.0.21-1.1.an8.src.rpm