Adding upstream version 0.20200629.

Signed-off-by: Daniel Baumann <daniel@debian.org>

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2015 nfnty
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

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+# vim-nftables
+
+## Installation
+
+Recommend [NeoBundle](https://github.com/Shougo/neobundle.vim) for installation.
+
+Add the following to your vimrc:
+
+```vim
+NeoBundle 'nfnty/vim-nftables'
+```

ftdetect/nftables.vim

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+function! s:DetectFiletype()
+    if getline(1) =~# '^#!\s*\%\(/\S\+\)\?/\%\(s\)\?bin/\%\(env\s\+\)\?nft\>'
+        setfiletype nftables
+    endif
+endfunction
+
+augroup nftables
+    autocmd!
+    autocmd BufRead,BufNewFile * call s:DetectFiletype()
+    autocmd BufRead,BufNewFile *.nft,nftables.conf setfiletype nftables
+augroup END

ftplugin/nftables.vim

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+if exists('b:did_ftplugin')
+    finish
+endif
+let b:did_ftplugin = 1
+
+let s:save_cpo = &cpoptions
+set cpoptions&vim
+
+setlocal smartindent nocindent
+setlocal commentstring=#%s
+setlocal formatoptions-=t formatoptions+=croqnlj
+
+setlocal comments=b:#
+
+setlocal tabstop=4 shiftwidth=4 softtabstop=4 expandtab
+setlocal textwidth=99
+
+let b:undo_ftplugin = '
+    \ setlocal formatoptions< comments< commentstring<
+    \|setlocal tabstop< shiftwidth< softtabstop< expandtab< textwidth<
+    \'
+
+let &cpoptions = s:save_cpo
+unlet s:save_cpo

indent/nftables.vim

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+" Only load this indent file when no other was loaded.
+if exists('b:did_indent')
+  finish
+endif
+let b:did_indent = 1
+
+setlocal cindent
+setlocal cinoptions=L0,(0,Ws,J1,j1,+N
+setlocal cinkeys=0{,0},!^F,o,O,0[,0]
+" Don't think cinwords will actually do anything at all... never mind
+setlocal cinwords=table,chain
+
+" Some preliminary settings
+setlocal nolisp         " Make sure lisp indenting doesn't supersede us
+setlocal autoindent     " indentexpr isn't much help otherwise
+" Also do indentkeys, otherwise # gets shoved to column 0 :-/
+setlocal indentkeys=0{,0},!^F,o,O,0[,0]

syntax/nftables.vim

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+if exists('b:current_syntax')
+    finish
+endif
+
+syn match nftablesSet /{.*}/ contains=nftablesSetEntry
+syn match nftablesSetEntry /[a-zA-Z0-9]\+/ contained
+hi def link nftablesSet Keyword
+hi def link nftablesSetEntry Operator
+
+syn match nftablesNumber "\<[0-9A-Fa-f./:]\+\>" contains=nftablesMask,nftablesDelimiter
+syn match nftablesHex "\<0x[0-9A-Fa-f]\+\>"
+syn match nftablesDelimiter "[./:]" contained
+syn match nftablesMask "/[0-9.]\+" contained contains=nftablesDelimiter
+hi def link nftablesNumber Number
+hi def link nftablesHex Number
+hi def link nftablesDelimiter Operator
+hi def link nftablesMask Operator
+
+syn region Comment start=/#/ end=/$/
+syn region String start=/"/ end=/"/
+syn keyword Function flush
+syn keyword Function table chain map
+syn keyword Statement type hook
+syn keyword Type ip ip6 inet arp bridge
+syn keyword Type filter nat route
+syn keyword Type ether vlan arp ip icmp igmp ip6 icmpv6 tcp udp udplite sctp dccp ah esp comp icmpx
+syn keyword Type ct
+syn keyword Type length protocol priority mark iif iifname iiftype oif oifname oiftype skuid skgid rtclassid
+syn keyword Constant prerouting input forward output postrouting
+
+syn keyword Special snat dnat masquerade redirect
+syn keyword Special accept drop reject queue
+syn keyword Keyword continue return jump goto
+syn keyword Keyword counter log limit
+syn keyword Keyword define
+
+let b:current_syntax = 'nftables'