vis: fzf.sh allow multi select (puts to messages), skip register value if default register

vis/.config/vis/fzf.sh

@@ -263,6 +263,7 @@ fi
 exec fzf --query "$3" \
 	--prompt "$prompt" \
 	--header-label "$label" \
+	--multi \
 	--ansi \
 	--delimiter : \
 	--ghost '    (Use alt-? for help)' \

vis/.config/vis/visrc.lua

@@ -93,13 +93,17 @@ end
 
 local function fzf_sh(arg)
 	action = function(out)
+		if (out:find('\n') or #out) == #out then
 			open_file_pos(out, vis.win.file.modified and 'o' or 'e')
+		else
+			vis:message(out)
+		end
 	end
 	local home = os.getenv('HOME')
 	local path = vis.win.file.path or ''
 	local dir = path:match('^.*/') or ''
 	local reg = ''
-	if reg ~= '"' then
+	if vis.register ~= '"' then
 		reg = string.gsub(vis.registers[vis.register][1], '%z', '')
 	end
 	local cmd = home ..
@@ -111,7 +115,11 @@ end
 local function search(cmd, action)
 	if action == nil then
 		action = function(out)
+			if (out:find('\n') or #s) == #s then
 				open_file_pos(out, 'e')
+			else
+				vis:message(out)
+			end
 		end
 	end
 	if cmd:match('^fzf ') and vis.register ~= '"' then