$ git clone -n https://src.fedoraproject.org/rpms/lldb.git /var/lib/mock/f39-build-1806349-41818/root/chroot_tmpdir/scmroot/lldb
Cloning into '/var/lib/mock/f39-build-1806349-41818/root/chroot_tmpdir/scmroot/lldb'...
$ git fetch origin 104f63963a6c115eb5e6c9ebb336238ef6b6d716:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lldb
 * [new ref]         104f63963a6c115eb5e6c9ebb336238ef6b6d716 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 104f639 Update to LLVM 17.0.4