$ git clone -n https://src.fedoraproject.org/rpms/llvm15.git /var/lib/mock/f38-build-side-42-init-devel-511861-25543/root/chroot_tmpdir/scmroot/llvm15
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-511861-25543/root/chroot_tmpdir/scmroot/llvm15'...
$ git reset --hard 64642ea93202615e0a55f1ce07ae44813728e6a3
HEAD is now at 64642ea Rebuild for LLVM 16.0.0 update