$ git clone -n https://gitee.com/fundawang/llvm15.git /var/lib/mock/dist-an23-build-248429-63249/root/chroot_tmpdir/scmroot/llvm15
Cloning into '/var/lib/mock/dist-an23-build-248429-63249/root/chroot_tmpdir/scmroot/llvm15'...
$ git reset --hard a0d75a02b75f18ac7e70ffe3f970141adefd1ecc
HEAD is now at a0d75a0 Drop conflicts with llvm-libs