[vis] add suw plugin to write as root

1 files changed, 32 insertions, 0 deletions

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