From 1a9f87f584d37ccea3ea84b788a4eb36321ccbb9 Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fl.fischer@fau.de>
Date: Tue, 26 Jun 2018 16:22:13 +0200
Subject: [vis] add suw plugin to write as root

---
 config/vis/plugins/suw.lua | 32 ++++++++++++++++++++++++++++++++
 config/vis/visrc.lua       |  5 +++--
 2 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 config/vis/plugins/suw.lua

diff --git a/config/vis/plugins/suw.lua b/config/vis/plugins/suw.lua
new file mode 100644
index 0000000..b68e123
--- /dev/null
+++ b/config/vis/plugins/suw.lua
@@ -0,0 +1,32 @@
+--- a module for writing to to a file by increasing privilege
+-- @author [Alejandro Baez](https://twitter.com/a_baez)
+-- @module suw
+
+--- cmd for sudo write and quit
+local suwq = function()
+  local file = vis.win.file
+  vis:command((", > sudo tee %s"):format(file.name))
+
+  vis:command("q!")
+end
+
+--- cmd for sudo write
+local suw = function()
+  local file = vis.win.file
+  vis:command((", > sudo tee %s"):format(file.name))
+
+  vis.events.emit(vis.events.FILE_SAVE_PRE, function(...) return true end)
+  vis.events.emit(vis.events.FILE_SAVE_POST, function(...)
+    file.modified = false
+  end)
+end
+
+local function main()
+  local comment = "write to file with privilege"
+
+  vis:command_register("suw", suw, comment)
+  vis:command_register("suwq", suwq, comment .. " and quit")
+end
+
+
+return main()
\ No newline at end of file
diff --git a/config/vis/visrc.lua b/config/vis/visrc.lua
index ce42ab9..a4a2a14 100644
--- a/config/vis/visrc.lua
+++ b/config/vis/visrc.lua
@@ -8,6 +8,8 @@ require('plugins/vis-commentary/vis-commentary')
 -- This hooks vis.events.START so its fine to load it before the default settings
 require('plugins/vis-modelines/vis-modelines')
 
+require('plugins/suw')
+
 vis.events.subscribe(vis.events.INIT, function()
 	-- Your global configuration options
 	local theme = "default"
@@ -31,8 +33,7 @@ vis.events.subscribe(vis.events.WIN_OPEN, function(win)
 			win:set_syntax("diff")
 		end
 
-		local filetype = win.file.name:match(".*%.(.*)")
-		if filetype == "py" then
+		if win.syntax == "python" then
 			vis:command("set expand")
 		end
 	end
-- 
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