binary support fixes

sys/apps/shell.lua

@@ -669,6 +669,10 @@ if settings.get("motd.enabled") then
 end
 
 while not bExit do
+	local cx = term.getCursorPos()
+	if cx ~= 1 then
+		print()
+	end
 	if config.displayDirectory then
 		term.setTextColour(_colors.directoryTextColor)
 		term.setBackgroundColor(_colors.directoryBackgroundColor)

sys/init/2.vfs.lua

@@ -223,12 +223,12 @@ function fs.copy(s, t)
 		end
 
 	else
-		local sf = Util.readFile(s)
+		local sf = Util.readFile(s, 'rb')
 		if not sf then
 			error('No such file')
 		end
 
-		Util.writeFile(t, sf)
+		Util.writeFile(t, sf, 'wb')
 	end
 end
 

sys/modules/opus/fs/ramfs.lua

@@ -154,6 +154,9 @@ function ramfs.open(node, fn, fl)
 
 		local ctr = 0
 		return {
+			readAll = function()
+				return string.char(table.unpack(c))
+			end,
 			read = function(n)
 				if n and n > 1 and ctr < node.size then
 					-- some programs open in rb, when it should have

sys/modules/opus/ui/components/Tabs.lua

@@ -32,6 +32,7 @@ function UI.Tabs:add(children)
 	if not self.tabBar then
 		self.tabBar = UI.TabBar({
 			buttons = buttons,
+			backgroundColor = self.barBackgroundColor,
 		})
 	else
 		self.tabBar:addButtons(buttons)

sys/modules/opus/util.lua

@@ -493,7 +493,7 @@ function Util.backup(fname)
 	fs.copy(fname, backup)
 end
 
-function Util.writeFile(fname, data)
+function Util.writeFile(fname, data, flags)
 	if not fname or not data then error('Util.writeFile: invalid parameters', 2) end
 
 	if fs.exists(fname) then
@@ -505,7 +505,7 @@ function Util.writeFile(fname, data)
 		end
 	end
 
-	local file = io.open(fname, "w")
+	local file = io.open(fname, flags or "w")
 	if not file then
 		error('Unable to open ' .. fname, 2)
 	end