$ git clone -n https://gitee.com/gaohongmei/nginx.git /var/lib/mock/dist-an23-build-249353-63335/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-an23-build-249353-63335/root/chroot_tmpdir/scmroot/nginx'...
$ git reset --hard 17d0e070c791818981f6cbf9ded09bb128098f60
HEAD is now at 17d0e07 Del Specific Fields