$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/cairo.git /var/lib/mock/dist-an7-build-30947-15667/root/chroot_tmpdir/scmroot/cairo
Cloning into '/var/lib/mock/dist-an7-build-30947-15667/root/chroot_tmpdir/scmroot/cairo'...
$ git reset --hard origin/a7
HEAD is now at 070fabe import cairo-1.15.12-4.el7.src.rpm