$ git clone -n http://git.inferitos.ru/rpms/unicode-emoji /var/lib/mock/inferit-8_8-bootstrap-build-35178-70375/root/chroot_tmpdir/scmroot/unicode-emoji
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-35178-70375/root/chroot_tmpdir/scmroot/unicode-emoji'...
$ git fetch origin changed/i8c/unicode-emoji-10.90.20180207-1.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object 9b20036f70061630a12e97335c0cad0feaae4c6a to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/unicode-emoji
 ! [new tag]         changed/i8c/unicode-emoji-10.90.20180207-1.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8c/unicode-emoji-10.90.20180207-1.el8
HEAD is now at 7c88469 import unicode-emoji-10.90.20180207-1.el8