$ git clone -n http://git.inferitos.ru/rpms/double-conversion /var/lib/mock/inferit-8_10-extras-build-51461-97212/root/chroot_tmpdir/scmroot/double-conversion
Cloning into '/var/lib/mock/inferit-8_10-extras-build-51461-97212/root/chroot_tmpdir/scmroot/double-conversion'...
$ git fetch origin changed/i8ce/double-conversion-3.1.5-1.el8:KOJI_FETCH_HEAD
error: cannot update ref 'refs/heads/KOJI_FETCH_HEAD': trying to write non-commit object ab0a869321a261ad2002f5b96879ddfaa19389b7 to branch 'refs/heads/KOJI_FETCH_HEAD'
From http://git.inferitos.ru/rpms/double-conversion
 ! [new tag]         changed/i8ce/double-conversion-3.1.5-1.el8 -> KOJI_FETCH_HEAD  (unable to update local ref)
$ git reset --hard changed/i8ce/double-conversion-3.1.5-1.el8
HEAD is now at 71e763f import double-conversion-3.1.5-1.el8