feat: 更新LeonOS版本至0.1.9并添加欢迎信息

- 将LeonOS版本从0.1.8升级至0.1.9
- 在shell启动时添加欢迎信息
- 改进ver程序界面，添加顶部名称栏
- 简化安装程序流程，默认使用/leonos目录

data/computercraft/lua/bios.lua

@@ -1,4 +1,4 @@
-_G._HOST = _G._HOST .. " (LeonOS 0.1.8)"
+_G._HOST = _G._HOST .. " (LeonOS 0.1.9)"
 local fs = rawget(_G, "fs")
 
 _G._RC_ROM_DIR = _RC_ROM_DIR or (...) and fs.exists("/leonos") and "/leonos" or "/rom"
@@ -32,7 +32,7 @@ local rc = {
   _VERSION = {
     major = 0,
     minor = 1,
-    patch = 8
+    patch = 9
   },
   queueEvent  = pull(os, "queueEvent"),
   startTimer  = pull(os, "startTimer"),

data/computercraft/lua/rom/programs/shell.lua

@@ -30,6 +30,7 @@ if os.version then
 else
   textutils.coloredPrint(colors.yellow, rc.version(), colors.white)
 end
+textutils.coloredPrint(colors.yellow, "Welcome using the beta version of LeonOS!"colors.white)
 
 thread.vars().parentShell = thread.id()
 shell.init(_ENV)

data/computercraft/lua/rom/programs/ver.lua

@@ -2,5 +2,24 @@
 local rc = require("rc")
 local textutils = require("textutils")
 
+-- 程序顶部名称栏
+local term = require("term")
+local colors = require("colors")
+
+-- 保存当前颜色设置
+local old_fg = term.getTextColor()
+local old_bg = term.getBackgroundColor()
+
+-- 设置名称栏颜色并显示
+term.setTextColor(colors.white)
+term.setBackgroundColor(colors.cyan)
+term.at(1, 1).clearLine()
+term.at(1, 1).write("=== LeonOS Version ===")
+
+-- 恢复颜色设置
+term.setTextColor(old_fg)
+term.setBackgroundColor(old_bg)
+term.at(1, 2)
+
 -- Display LeonOS version
 textutils.coloredPrint(colors.yellow, rc.version(), colors.white)

installer.lua

@@ -1,5 +1,5 @@
 -- LeonOS installer
-local INSTALLER_VERSION = "0.1.8"
+local INSTALLER_VERSION = "0.1.9"
 local DEFAULT_ROM_DIR = "/leonos"
 
 print("Start loading LeonOS installer...")
@@ -88,8 +88,8 @@ end
 term.at(1, 2)
 tu.coloredPrint(colors.yellow,
   "LeonOS Installer (v"..INSTALLER_VERSION..")\n=======================")
-tu.coloredPrint("You are going to install LeonOS to your computer.")
-tu.coloredPrint("This will ",colors.red,"overwrite any existing files", colors.white, " in the installation directory.")
+tu.coloredPrint("You are going to install LeonOS "..rc.version().." to your computer.")
+tu.coloredPrint("This will ",colors.red,"OVERWRITE any existing files", colors.white, " in the installation directory.")
 tu.coloredPrint(colors.yellow, "Are you sure? (y/n)")
 local confirm = read()
 if confirm ~= "y" then
@@ -98,20 +98,16 @@ if confirm ~= "y" then
 end
 
 local ROM_DIR
-tu.coloredPrint("Enter installation directory ", colors.yellow, "[",
-  colors.lightBlue, DEFAULT_ROM_DIR, colors.yellow, "]")
-tu.coloredWrite(colors.yellow, "$ installer >>>")
-
-ROM_DIR = read()
-if #ROM_DIR == 0 then ROM_DIR = DEFAULT_ROM_DIR end
+-- tu.coloredPrint("Enter installation directory ", colors.yellow, "[",
+--   colors.lightBlue, DEFAULT_ROM_DIR, colors.yellow, "]")
+ROM_DIR = DEFAULT_ROM_DIR
 
 ROM_DIR = "/"..shell.resolve(ROM_DIR)
 
 settings.set("LeonOS.rom_dir", ROM_DIR)
 settings.save()
 
-tu.coloredPrint(colors.white, "Installing LeonOS to ", colors.lightBlue,
-  ROM_DIR, colors.white)
+tu.coloredPrint(colors.white, "Installing LeonOS "..rc.version().."...", colors.white)
 
 local function bullet(t)
   tu.coloredWrite(colors.red, "- ", colors.white, t)