$ git clone -n https://gitee.com/fundawang/llvm15.git /var/lib/mock/dist-an23-build-248423-63249/root/chroot_tmpdir/scmroot/llvm15
Cloning into '/var/lib/mock/dist-an23-build-248423-63249/root/chroot_tmpdir/scmroot/llvm15'...
$ git reset --hard dcf12943927185843f39d83c5df3485a5c181798
HEAD is now at dcf1294 Drop conflicts with llvm-libs