configs/*/grub/grub.cfg: auto-boot after 15 seconds

* Set the default boot entry and its timeout.
* Add classes to menu entries to allow theming them.

Fixes #179

configs/baseline/grub/grub.cfg

@@ -14,14 +14,18 @@ if loadfont "${prefix}/fonts/unicode.pf2" ; then
     terminal_output gfxterm
 fi
 
-menuentry "Arch Linux (x86_64, UEFI)" {
+default=archlinux
+timeout=15
+timeout_style=menu
+
+menuentry "Arch Linux (x86_64, UEFI)" --class arch --class gnu-linux --class gnu --class os --id 'archlinux' {
     set gfxpayload=keep
     search --no-floppy --set=root --label %ARCHISO_LABEL%
     linux /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL%
     initrd /%INSTALL_DIR%/boot/x86_64/initramfs-linux.img
 }
 
-menuentry "Arch Linux (x86_64, UEFI) Copy to RAM" {
+menuentry "Arch Linux (x86_64, UEFI) Copy to RAM" --class arch --class gnu-linux --class gnu --class os --id 'archlinux-copy-to-ram' {
     set gfxpayload=keep
     search --no-floppy --set=root --label %ARCHISO_LABEL%
     linux /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL% copytoram

configs/releng/grub/grub.cfg

@@ -14,18 +14,22 @@ if loadfont "${prefix}/fonts/unicode.pf2" ; then
     terminal_output gfxterm
 fi
 
+default=archlinux
+timeout=15
+timeout_style=menu
+
 # GRUB init tune for accessibility
 #
 play 600 988 1 1319 4
 
-menuentry "Arch Linux install medium (x86_64, UEFI)" {
+menuentry "Arch Linux install medium (x86_64, UEFI)" --class arch --class gnu-linux --class gnu --class os --id 'archlinux' {
     set gfxpayload=keep
     search --no-floppy --set=root --label %ARCHISO_LABEL%
     linux /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL%
     initrd /%INSTALL_DIR%/boot/intel-ucode.img /%INSTALL_DIR%/boot/amd-ucode.img /%INSTALL_DIR%/boot/x86_64/initramfs-linux.img
 }
 
-menuentry "Arch Linux install medium with speakup screen reader (x86_64, UEFI)" --hotkey=s {
+menuentry "Arch Linux install medium with speakup screen reader (x86_64, UEFI)" --hotkey s --class arch --class gnu-linux --class gnu --class os --id 'archlinux-accessibility' {
     set gfxpayload=keep
     search --no-floppy --set=root --label %ARCHISO_LABEL%
     linux /%INSTALL_DIR%/boot/x86_64/vmlinuz-linux archisobasedir=%INSTALL_DIR% archisolabel=%ARCHISO_LABEL% accessibility=on
@@ -48,16 +52,16 @@ if [ "${grub_platform}" == "efi" ]; then
     fi
 
     menuentry 'UEFI Firmware Settings' --id 'uefi-firmware' {
-		fwsetup
-	}
+        fwsetup
+    }
 fi
 
-menuentry "System shutdown" {
-	echo "System shutting down..."
-	halt
+menuentry "System shutdown" --class shutdown --class poweroff {
+    echo "System shutting down..."
+    halt
 }
 
-menuentry "System restart" {
-	echo "System rebooting..."
-	reboot
+menuentry "System restart" --class reboot --class restart {
+    echo "System rebooting..."
+    reboot
 }