$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/linux-firmware.git /var/lib/mock/dist-an7-build-32200-15937/root/chroot_tmpdir/scmroot/linux-firmware
Cloning into '/var/lib/mock/dist-an7-build-32200-15937/root/chroot_tmpdir/scmroot/linux-firmware'...
$ git reset --hard origin/a7
HEAD is now at 932e10f import linux-firmware-20190429-72.gitddde598.el7.src.rpm