$ git clone -n https://gitee.com/fundawang/llvm15.git /var/lib/mock/dist-an23-build-235131-62743/root/chroot_tmpdir/scmroot/llvm15
Cloning into '/var/lib/mock/dist-an23-build-235131-62743/root/chroot_tmpdir/scmroot/llvm15'...
$ git reset --hard 64ce3ecdf62e39aaec90b2d1f08dc5bda10b8831
HEAD is now at 64ce3ec update pkg name