$ git clone -n https://gitee.com/src-anolis-os/javacc.git /var/lib/mock/dist-an7-build-61126-33850/root/chroot_tmpdir/scmroot/javacc
Cloning into '/var/lib/mock/dist-an7-build-61126-33850/root/chroot_tmpdir/scmroot/javacc'...
$ git reset --hard origin/a7
HEAD is now at 6b791e7 import javacc-5.0-10.el7.src.rpm