about vim contrib support

[Manlio Perillo <manlio.perillo@gmail.com>]

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Hi.

In the contrib/vim/README file there are instructions about how to setup
git support with Vim builtin git syntax files.

However these instructions seems to be redundant, since the system
filetype.vim file already have the autocmd rules.

The only issue I found is with:

autocmd BufNewFile,BufRead .msg.[0-9]*
	\ if getline(1) =~ '^From.*# This line is ignored.$' |
	\   setf gitsendemail |
	\ endif

It should be:

autocmd BufNewFile,BufRead [0-9]*.patch

IMHO it should contain some other checks, to make sure it is a patch
generated by git format-patch, and not, as an example, a plain patch or
a Mercurial patch.


By the way: I don't understand the purpose of gitsendemail syntax.
On my system it does not highlight the diff.

I have implemented an alternate gitpatch syntax file, attached.
What I would like to get, is to syntax highligth the commit subject
message, but I'm not a Vim expert.


Regards   Manlio
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" Vim syntax file
" Language:		git format-patch message
" Maintainer:	Manlio Perillo
" Filenames:	[0-9]*.patch (first line is "From ... # This line is ignored.")
" Last Change:	2014 Gen 10

if exists("b:current_syntax")
    finish
endif

syn case match

syn match   gitsendemailComment "\%^From.*#.*"
syn match   gitsendemailComment "^GIT:.*"

if has("spell")
    syn spell toplevel
endif

syn include @gitcommitMessage syntax/gitcommit.vim
syn region gitcommitMessage start=/^Subject: \@=/ end=/^$|^#\@=/ contains=@gitcommitMessage

hi def link gitsendemailComment Comment

let b:current_syntax = "gitpatch"