Arch Linux

Description:

Some people want to install from USB-HDDs instead of CD-ROMs. I've noticed that there's now .IMG file available for this purpose. While .ISO contains /hook/boot-cd, .IMG contains /hook/boot-usb to detect and mount the boot media. This works, but having support for USB-HDD boot in the "default" .ISO would be nice still, for many reasons (simplicity, users confused by two images instead of one, storage/bandwidth issues, the need to kill a whole partition with .IMGs, etc).

With the current arch-core-install-2008.04-rc-i686.iso/boot/archlive.img initrd, it's impossible to boot from USB-HDD, because the boot-cd hook does not find the USB-HDD. Patching and rebuilding initrd image is a much more complex task than just copying few files to USB stick and running syslinux on it, so I think we should do it beforehand (see patch).

Make finding of the booted device more robust
by including FAT-formatted USB HDDs.
--- boot-cd.orig 2008-06-11 12:07:08.000000000 +0200
+++ boot-cd 2008-06-11 12:12:33.000000000 +0200
@@ -13,8 +13,14 @@
found=0

/bin/modprobe -q isofs >/dev/null 2>&1
- for cdrom in /dev/cd/*; do
- if mount -r -t iso9660 "${cdrom}" ${bootmnt} >/dev/null 2>&1; then
+ fstype=iso9660
+ for cdrom in /dev/cd/* fat /dev/sd*; do
+ if [ $cdrom = fat ]; then
+ /bin/modprobe -q vfat >/dev/null 2>&1
+ fstype=vfat
+ continue
+ fi
+ if mount -r -t $fstype "${cdrom}" ${bootmnt} >/dev/null 2>&1; then
if [ -e "${bootmnt}/archlive.sqfs" ]; then
found=1
msg "${cdrom}"