$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/javamail.git /var/lib/mock/dist-an7-build-28462-15259/root/chroot_tmpdir/scmroot/javamail
Cloning into '/var/lib/mock/dist-an7-build-28462-15259/root/chroot_tmpdir/scmroot/javamail'...
$ git reset --hard origin/a7
HEAD is now at 4dc4d2c import javamail-1.4.6-8.el7.src.rpm