forgot to commit openos

data/openos/etc/motd

@@ -0,0 +1,38 @@
+local component = require("component")
+local computer = require("computer")
+local unicode = require("unicode")
+local tty = require("tty")
+
+local f = io.open("/usr/misc/greetings.txt")
+local lines = {_OSVERSION .. " (" .. math.floor(computer.totalMemory() / 1024) .. "k RAM)"}
+local greeting = ""
+if f then
+  local greetings = {}
+  pcall(function()
+    for line in f:lines() do table.insert(greetings, line) end
+  end)
+  f:close()
+  greeting = greetings[math.random(1, math.max(#greetings, 1))] or ""
+end
+local width = math.min(#greeting, (tty.getViewport() or math.huge) - 5)
+local maxLine = #lines[1]
+while #greeting > 0 do
+  local si, ei = greeting:sub(1, width):find("%s%S*$")
+  local line = #greeting <= width and greeting or greeting:sub(1, si or width)
+  lines[#lines + 1] = line
+  maxLine = math.max(maxLine, #line)
+  greeting = greeting:sub(#line + 1)
+end
+
+local borders = {{unicode.char(0x2552), unicode.char(0x2550), unicode.char(0x2555)},
+                 {unicode.char(0x2502), nil, unicode.char(0x2502)},
+                 {unicode.char(0x2514), unicode.char(0x2500), unicode.char(0x2518)}}
+io.write(borders[1][1], string.rep(borders[1][2], maxLine + 2), borders[1][3], "\n")
+for _,line in ipairs(lines) do
+  io.write(borders[2][1], " ", line, (" "):rep(maxLine - #line + 1), borders[2][3], " \n")
+end
+io.write(borders[3][1] .. string.rep(borders[3][2], maxLine + 2) .. borders[3][3] .. "\n")
+
+if require("filesystem").get("home").isReadOnly() then
+  io.write("\27[33mNote: Your home directory is readonly. Run `install` and reboot.\27[m\n")
+end