Allow verbose boot by pressing "v", single by "s", FreeBSD bootloader…

… by backspace

overlays/boot/boot/lua/local.lua

@@ -0,0 +1,73 @@
+local core = require("core")
+local screen = require("screen")
+
+-- loader.* functions are not part of normal lua, where are they documented?
+-- Just look at the other lua files for "documentation"
+
+screen.clear()
+screen.defcursor()
+
+KEY_LOWER_V = 118
+KEY_UPPER_V = 86
+KEY_LOWER_S = 115
+KEY_UPPER_S = 83
+
+local shouldboot = true
+
+local endtime = loader.time() + 3
+local time
+local last
+
+repeat
+    time = endtime - loader.time()
+
+    if last == nil or last ~= time then
+        last = time
+    end
+
+    if io.ischar() then
+        local ch = io.getchar()
+
+        if ch == core.KEY_ENTER then
+            core.setSingleUser(false)
+            core.boot()
+            break
+        end
+
+        if ch == core.KEY_BACKSPACE or ch == core.KEY_DELETE then
+            loader.setenv("beastie_disable", "NO")
+            loader.setenv("loader_logo", "none")
+            loader.setenv("loader_brand", "none")
+            loader.setenv("autoboot_delay", "NO")
+            shouldboot = false
+            break
+        end
+
+        if ch == KEY_LOWER_S or ch == KEY_UPPER_S then
+            printc("Single user boot")
+            core.setSingleUser(true)
+            loader.setenv("kern.vt.color.15.rgb", "0,0,0")
+            loader.setenv("kern.vt.color.7.rgb", "0,0,0")
+            core.boot()
+            break
+        end
+
+        if ch == KEY_LOWER_V or ch == KEY_UPPER_V then
+            printc("Verbose boot")
+            loader.unsetenv("boot_mute")
+            core.setVerbose(true)
+            loader.setenv("kern.vt.color.15.rgb", "0,0,0")
+            loader.setenv("kern.vt.color.7.rgb", "0,0,0")
+            core.boot()
+            break
+        end
+    end
+
+    loader.delay(50000)
+until time <= 0
+
+if shouldboot == true then
+    -- Set black font so that we don't see the messages while the kernel is being loaded
+    printc(core.KEYSTR_CSI .. "3" .. "0" .. "m")
+    core.boot()
+end