mklive: added -C and -T to append kernel cmdline args and modify bootloader title.

Requested by pancake.

grub/grub_void.cfg.in

@@ -25,12 +25,13 @@ if loadfont "(${voidlive})/boot/grub/fonts/unicode.pf2" ; then
 fi
 
 if [ cpuid -l ]; then
-    menuentry "Void GNU/Linux @@KERNVER@@ (@@ARCH@@)" {
+    menuentry "@@BOOT_TITLE@@ @@KERNVER@@ (@@ARCH@@)" {
         set gfxpayload="keep"
         linux (${voidlive})/boot/vmlinuz \
 		root=live:CDLABEL=VOID_LIVE ro \
 		rd.luks=0 rd.md=0 rd.dm=0 loglevel=4 gpt add_efi_memmap \
-		vconsole.unicode=1 vconsole.keymap=@@KEYMAP@@ locale.LANG=@@LOCALE@@
+		vconsole.unicode=1 vconsole.keymap=@@KEYMAP@@ \
+		locale.LANG=@@LOCALE@@ @@BOOT_CMDLINE@@
         initrd (${voidlive})/boot/initrd
     }
 fi

isolinux/isolinux.cfg.in

@@ -21,9 +21,9 @@ MENU COLOR border       * #00000000 #00000000 none
 MENU COLOR sel          * #ffffffff #FF5255FF *
 
 LABEL linux
-MENU LABEL Boot Void GNU/Linux @@KERNVER@@ @@ARCH@@
+MENU LABEL @@BOOT_TITLE@@ @@KERNVER@@ @@ARCH@@
 KERNEL /boot/vmlinuz
-APPEND initrd=/boot/initrd root=live:CDLABEL=VOID_LIVE ro rd.luks=0 rd.md=0 rd.dm=0 loglevel=4 vconsole.unicode=1 vconsole.keymap=@@KEYMAP@@ locale.LANG=@@LOCALE@@
+APPEND initrd=/boot/initrd root=live:CDLABEL=VOID_LIVE ro rd.luks=0 rd.md=0 rd.dm=0 loglevel=4 vconsole.unicode=1 vconsole.keymap=@@KEYMAP@@ locale.LANG=@@LOCALE@@ @@BOOT_CMDLINE@@
 LABEL c
 MENU LABEL Boot first HD found by BIOS
 COM32 chain.c32

mklive.sh.in

@@ -59,6 +59,9 @@ Options:
  -o <file>          Output file name for the ISO image (auto if unset).
  -p "pkg pkgN ..."  Install additional packages into the ISO image.
 
+ -C "cmdline args"  Add additional kernel command line arguments.
+ -T "title"         Modify the bootloader title.
+
 The $(basename $0) script generates a live image of the Void Linux distribution.
 This ISO image can be written to a CD/DVD-ROM or any USB stick.
 _EOF
@@ -141,7 +144,10 @@ generate_isolinux_boot() {
         -e "s|@@KERNVER@@|${KERNELVERSION}|" \
         -e "s|@@KEYMAP@@|${KEYMAP}|" \
         -e "s|@@ARCH@@|$(uname -m)|" \
-        -e "s|@@LOCALE@@|${LOCALE}|" $ISOLINUX_DIR/isolinux.cfg
+        -e "s|@@LOCALE@@|${LOCALE}|" \
+        -e "s|@@BOOT_TITLE@@|${BOOT_TITLE}|" \
+        -e "s|@@BOOT_CMDLINE@@|${BOOT_CMDLINE}|" \
+        $ISOLINUX_DIR/isolinux.cfg
 }
 
 generate_grub_efi_boot() {
@@ -151,6 +157,8 @@ generate_grub_efi_boot() {
         -e "s|@@KERNVER@@|${KERNELVERSION}|" \
         -e "s|@@KEYMAP@@|${KEYMAP}|" \
         -e "s|@@ARCH@@|$(uname -m)|" \
+        -e "s|@@BOOT_TITLE@@|${BOOT_TITLE}|" \
+        -e "s|@@BOOT_CMDLINE@@|${BOOT_CMDLINE}|" \
         -e "s|@@LOCALE@@|${LOCALE}|" $GRUB_DIR/grub_void.cfg
 
     modprobe -q loop
@@ -212,7 +220,7 @@ generate_iso_image() {
 #
 # main()
 #
-while getopts "b:r:c:k:l:i:s:o:p:h" opt; do
+while getopts "b:r:c:C:T:k:l:i:s:o:p:h" opt; do
     case $opt in
         b) BASE_SYSTEM_PKG="$OPTARG";;
         r) XBPS_REPOSITORY+="--repository=$OPTARG ";;
@@ -223,6 +231,8 @@ while getopts "b:r:c:k:l:i:s:o:p:h" opt; do
         s) SQUASHFS_COMPRESSION="$OPTARG";;
         o) OUTPUT_FILE="$OPTARG";;
         p) PACKAGE_LIST="$OPTARG";;
+        C) BOOT_CMDLINE="$OPTARG";;
+        T) BOOT_TITLE="$OPTARG";;
         h) usage;;
     esac
 done
@@ -235,6 +245,7 @@ shift $(($OPTIND - 1))
 : ${INITRAMFS_COMPRESSION:=xz}
 : ${SQUASHFS_COMPRESSION:=xz}
 : ${BASE_SYSTEM_PKG:=base-system}
+: ${BOOT_TITLE:="Void Linux"}
 
 # Required packages in the image for a working system.
 PACKAGE_LIST="$BASE_SYSTEM_PKG dialog $PACKAGE_LIST"