$ git clone -n https://gitee.com/mgb01105731/llvm_1.git /var/lib/mock/dist-an23-build-242140-63089/root/chroot_tmpdir/scmroot/llvm_1
Cloning into '/var/lib/mock/dist-an23-build-242140-63089/root/chroot_tmpdir/scmroot/llvm_1'...
$ git reset --hard c4d049738fee2ccbe01af24c136b467477d8499d
HEAD is now at c4d0497 Del Specific Fields