$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/mozilla-filesystem.git /var/lib/mock/dist-an7-build-32377-15990/root/chroot_tmpdir/scmroot/mozilla-filesystem
Cloning into '/var/lib/mock/dist-an7-build-32377-15990/root/chroot_tmpdir/scmroot/mozilla-filesystem'...
$ git reset --hard origin/a7
HEAD is now at 3566612 import mozilla-filesystem-1.9-11.el7.src.rpm