$ git clone -n https://gitee.com/src-anolis-os/nss-altfiles.git /var/lib/mock/dist-lifsea8-build-154517-52643/root/chroot_tmpdir/scmroot/nss-altfiles
Cloning into '/var/lib/mock/dist-lifsea8-build-154517-52643/root/chroot_tmpdir/scmroot/nss-altfiles'...
$ git reset --hard origin/a8
HEAD is now at c6f3dde import nss-altfiles-2.18.1-12.el8.src.rpm