From 6d2acb7635930fb04193a7393e67029dd2a47e33 Mon Sep 17 00:00:00 2001
From: Christian Hubinger <christian@trigo.at>
Date: Tue, 14 Mar 2017 15:15:02 +0100
Subject: [PATCH] fix: linter discards unsaved changes

The content of the current buffer is written to the tempfile instead of copying the file.
So unsaved changes will no longer be discarded silently.
---
 plugin/defaults.vim | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/plugin/defaults.vim b/plugin/defaults.vim
index 0e6f53a..4085f02 100644
--- a/plugin/defaults.vim
+++ b/plugin/defaults.vim
@@ -186,8 +186,9 @@ if !exists('g:formatdef_eslint_local')
 		" This formatter uses a temporary file as ESLint has not option to print 
 		" the formatted source to stdout without modifieing the file.
 		let l:eslint_js_tmp_file = fnameescape(tempname().".js")
-		return "rm -f ".l:eslint_js_tmp_file."; cat ".l:path." > ".l:eslint_js_tmp_file.";"
-					 \ .l:prog." -c ".l:cfg." --fix ".l:eslint_js_tmp_file." 1> /dev/null; exit_code=$?
+		let content = getline('1', '$')
+		call writefile(content, l:eslint_js_tmp_file)
+		return l:prog." -c ".l:cfg." --fix ".l:eslint_js_tmp_file." 1> /dev/null; exit_code=$?
 					 \ cat ".l:eslint_js_tmp_file."; rm -f ".l:eslint_js_tmp_file."; exit $exit_code"
 	endfunction
 	let g:formatdef_eslint_local = "g:BuildESLintLocalCmd()"