$ git clone -n http://git.inferitos.ru/rpms/utf8cpp /var/lib/mock/inferit-9-extras-build-33804-63885/root/chroot_tmpdir/scmroot/utf8cpp
Cloning into '/var/lib/mock/inferit-9-extras-build-33804-63885/root/chroot_tmpdir/scmroot/utf8cpp'...
$ git fetch origin changed/i9cf/utf8cpp-3.2.1-3.el9:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object f955bb6153b13cdcb4db38319c5af6f6291d7111 to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/utf8cpp
 ! [new tag]         changed/i9cf/utf8cpp-3.2.1-3.el9 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i9cf/utf8cpp-3.2.1-3.el9
HEAD is now at c310730 import utf8cpp-3.2.1-3.el9