$ git clone -n http://git.inferitos.ru/rpms/llvm11 /var/lib/mock/inferit-9_5-extras-build-66332-139931/root/chroot_tmpdir/scmroot/llvm11
Cloning into '/var/lib/mock/inferit-9_5-extras-build-66332-139931/root/chroot_tmpdir/scmroot/llvm11'...
$ git fetch origin changed/i9cf/llvm11-11.1.0-6.el9:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object 14fdbdf33c913e7350d69471a37a75b2190f884e to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/llvm11
 ! [new tag]         changed/i9cf/llvm11-11.1.0-6.el9 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i9cf/llvm11-11.1.0-6.el9
HEAD is now at b1bb03f import llvm11-11.1.0-6.el9