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-rw-r--r--main/syslinux/APKBUILD17
-rw-r--r--main/syslinux/syslinux.post-upgrade61
-rwxr-xr-xmain/syslinux/update-extlinux118
-rw-r--r--main/syslinux/update-extlinux.conf (renamed from main/syslinux/extlinux.conf)9
4 files changed, 159 insertions, 46 deletions
diff --git a/main/syslinux/APKBUILD b/main/syslinux/APKBUILD
index 5a962cfddd..6687475c53 100644
--- a/main/syslinux/APKBUILD
+++ b/main/syslinux/APKBUILD
@@ -1,16 +1,17 @@
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
pkgname=syslinux
pkgver=4.04
-pkgrel=4
-pkgdesc="a boot loader for the Linux operating system which operates off an MS-DOS/Windows FAT filesystem."
+pkgrel=5
+pkgdesc="Boot loader for the Linux operating system"
url="http://syslinux.org"
arch="x86 x86_64"
license="GPL"
makedepends="nasm perl"
depends="mtools blkid"
-triggers=""
+triggers="syslinux.trigger=/boot"
+install="syslinux.post-upgrade"
source="http://www.kernel.org/pub/linux/utils/boot/syslinux/${pkgver%%.*}.xx/$pkgname-$pkgver.tar.bz2
- extlinux.conf
+ update-extlinux.conf
update-extlinux
"
subpackages="$pkgname-doc"
@@ -30,11 +31,11 @@ package() {
cd "$_builddir"
make INSTALLROOT="$pkgdir" MANDIR=/usr/share/man local-install
- mkdir -p "$pkgdir"/etc
- cp "$srcdir"/extlinux.conf "$pkgdir"/etc/
+ mkdir -p "$pkgdir"/etc/update-extlinux.d
+ cp "$srcdir"/update-extlinux.conf "$pkgdir"/etc/
cp "$srcdir"/update-extlinux "$pkgdir"/sbin/
}
md5sums="a3936208767eb7ced65320abe2e33a10 syslinux-4.04.tar.bz2
-37f8ae1cbb41b68241d6027abd828318 extlinux.conf
-0d769b8a7c01137535bbd26f130a0658 update-extlinux"
+14443fe391bd315a54478851abdc32cb update-extlinux.conf
+7164c110dae13a8d06d175943e48b841 update-extlinux"
diff --git a/main/syslinux/syslinux.post-upgrade b/main/syslinux/syslinux.post-upgrade
new file mode 100644
index 0000000000..90388668de
--- /dev/null
+++ b/main/syslinux/syslinux.post-upgrade
@@ -0,0 +1,61 @@
+#!/bin/sh
+
+# find given append opt
+get_append_opt() {
+ awk -v search="$1" '
+ $1 == "append" || $1 == "APPEND" {
+ split($0, a);
+ for (i in a) {
+ if (index(a[i], search) == 1) {
+ print a[i];
+ }
+ }
+ }' /boot/extlinux.conf | sort | uniq
+}
+
+# print default kernel options
+get_default_opts() {
+ awk '
+ $1 == "append" || $1 == "APPEND" {
+ opts="";
+ space="";
+ split($0, a);
+ for (i in a) {
+ if (i != 1 \
+ && (index(a[i], "root=") != 1) \
+ && (index(a[i], "initrd=") != 1) \
+ && (index(a[i], "modules=") != 1)) {
+ opts = opts space a[i];
+ space = " ";
+ }
+ }
+ print opts;
+ }
+ ' /boot/extlinux.conf | sort | uniq
+}
+
+if ! [ -f /boot/extlinux.conf ]; then
+ exit 0
+fi
+
+# check if we already have a generated extlinux.conf
+if grep -q '^# Generated by update-extlinux' /boot/extlinux.conf; then
+ exit 0
+fi
+
+# try fish out the kernel opts from extlinuix.conf's append line
+root=$(get_append_opt 'root=' | head -n 1)
+modules=$(get_append_opt 'modules=' | head -n 1)
+opts=$(get_default_opts | head -n 1)
+
+# populate update-extlinux.conf with the info we know
+if [ -n "$root" ]; then
+ sed -i -e "/^root=/s|.*|$root|g" /etc/update-extlinux.conf
+fi
+if [ -n "$modules" ]; then
+ sed -i -e "/^modules=/s|.*|$modules|g" /etc/update-extlinux.conf
+fi
+if [ -n "$opts" ]; then
+ sed -i -e "/^default_kernel_opts=/s|.*|default_kernel_opts=\"$opts\"|g" /etc/update-extlinux.conf
+fi
+
diff --git a/main/syslinux/update-extlinux b/main/syslinux/update-extlinux
index 25585334be..a2488cc8df 100755
--- a/main/syslinux/update-extlinux
+++ b/main/syslinux/update-extlinux
@@ -4,8 +4,13 @@ default=0
timeout=5
verbose=0
+conf=/boot/extlinux.conf
+myconf=/etc/update-extlinux.conf
+
# read in extlinux settings
-source /etc/extlinux.conf
+if [ -f "$myconf" ]; then
+ . $myconf
+fi
everbose() {
if [ "$verbose" = "0" ]; then
@@ -15,14 +20,44 @@ everbose() {
echo $*
}
+ewarn() {
+ echo "WARNING:" $@ >&2
+}
+
+eerror() {
+ echo "ERROR:" $@ >&2
+ return 1
+}
+
everbose "Updating extlinux configuration."
if [ "x$root" = "x" ]; then
- everbose "WARNING: Root device not specified, determining automatically."
- everbose -n "Root device is: "
- export `blkid -o export /dev/root`
- root=UUID=$UUID
- everbose $root
+ ewarn "Root device is not specified in $myconf."
+ blkid_export=$(blkid -o export /dev/root)
+ if [ -n "$blkid_export" ]; then
+ export $blkid_export
+ fi
+ if [ -z "$UUID" ]; then
+ # try parse /proc/mount for mounted /
+ dev=$(awk '$2 == "/" {dev=$1} END {print dev}' /proc/mounts)
+ if [ -n "$dev" ]; then
+ blkid_export=$(blkid -o export $dev)
+ if [ -n "$blkid_export" ]; then
+ export "$blkid_export"
+ fi
+ fi
+ fi
+ if [ -z "$UUID" ]; then
+ if [ -z "$dev" ]; then
+ eerror "Failed to detect root device"
+ exit 1
+ else
+ root=$dev
+ fi
+ else
+ root=UUID=$UUID
+ fi
+ everbose "Root device is: $root"
fi
everbose "Installing mboot.c32 to /boot."
@@ -32,29 +67,26 @@ everbose "Installing menu.c32 to /boot."
cp /usr/share/syslinux/menu.c32 /boot
rtimeout=$((${timeout}\*10))
+syslinux_menu=menu.c32
+menu_hidden=
+
# vesa menu has been requested?
-if [ "$fancy_menu" = "1" ]; then
- everbose "Installing vesamenu.c32 to /boot."
- cp /usr/share/syslinux/vesamenu.c32 /boot
-
- echo "DEFAULT vesamenu.c32" > /boot/extlinux.conf.new
- echo "PROMPT 0" >> /boot/extlinux.conf.new
- echo "MENU TITLE Alpine/$(uname -s) Boot Menu" >> /boot/extlinux.conf.new
- if [ "$hidden" = "1" ]; then
- echo "MENU HIDDEN" >> /boot/extlinux.conf.new
- fi
- echo "MENU AUTOBOOT Alpine will be booted automatically in # seconds." >> /boot/extlinux.conf.new
- echo "TIMEOUT $rtimeout" >> /boot/extlinux.conf.new
-else
- echo "DEFAULT menu.c32" > /boot/extlinux.conf.new
- echo "PROMPT 0" >> /boot/extlinux.conf.new
- echo "MENU TITLE Alpine/$(uname -s) Boot Menu" >> /boot/extlinux.conf.new
- if [ "$hidden" = "1" ]; then
- echo "MENU HIDDEN" >> /boot/extlinux.conf.new
- fi
- echo "MENU AUTOBOOT Alpine will be booted automatically in # seconds." >> /boot/extlinux.conf.new
- echo "TIMEOUT $rtimeout" >> /boot/extlinux.conf.new
+if [ "$vesa_menu" = "1" ]; then
+ syslinux_menu=vesamenu.c32
+fi
+
+everbose "Installing $syslinux_menu to /boot."
+cp /usr/share/syslinux/vesamenu.c32 /boot
+
+echo "# Generated by update-extlinux" > $conf.new
+echo "DEFAULT $syslinux_menu" >> $conf.new
+echo "PROMPT 0" >> $conf.new
+echo "MENU TITLE Alpine/$(uname -s) Boot Menu" >> $conf.new
+if [ "$hidden" = "1" ]; then
+ echo "MENU HIDDEN" >> $conf.new
fi
+echo "MENU AUTOBOOT Alpine will be booted automatically in # seconds." >> $conf.new
+echo "TIMEOUT $rtimeout" >> $conf.new
lst=0
for kernel in $(find /boot -name vmlinuz-* -type f); do
@@ -66,24 +98,38 @@ for kernel in $(find /boot -name vmlinuz-* -type f); do
initramfs="initrd=initramfs-$tag"
fi
- echo "LABEL $lst" >> /boot/extlinux.conf.new
+ echo "LABEL $lst" >> $conf.new
if [ "$lst" = "$default" ]; then
- echo " MENU DEFAULT" >> /boot/extlinux.conf.new
+ echo " MENU DEFAULT" >> $conf.new
fi
- echo " MENU LABEL Linux $tag" >> /boot/extlinux.conf.new
- echo " KERNEL $(basename $kernel)" >> /boot/extlinux.conf.new
- echo " APPEND $initramfs root=$root modules=$modules,$TYPE $default_kernel_opts" >> /boot/extlinux.conf.new
+ echo " MENU LABEL Linux $tag" >> $conf.new
+ echo " KERNEL $(basename $kernel)" >> $conf.new
+ echo " APPEND $initramfs root=$root modules=${modules}${TYPE:+,$TYPE} $default_kernel_opts" >> $conf.new
+ echo "" >> $conf.new
lst=$(($lst + 1))
done
if [ -f "/boot/memtest" ]; then
everbose "Found memtest86+: /boot/memtest"
- echo "LABEL $lst" >> /boot/extlinux.conf.new
- echo " MENU LABEL Memtest86+" >> /boot/extlinux.conf.new
- echo " KERNEL memtest" >> /boot/extlinux.conf.new
+ echo "LABEL $lst" >> $conf.new
+ echo " MENU LABEL Memtest86+" >> $conf.new
+ echo " KERNEL memtest" >> $conf.new
+ echo "" >> $conf.new
lst=$(($lst + 1))
fi
everbose "$lst entries found."
-mv /boot/extlinux.conf.new /boot/extlinux.conf
+for entry in /etc/update-extlinux.d/*; do
+ [ -f "$entry" ] && cat $entry >> $conf.new
+done
+
+if [ "$overwrite" = "1" ]; then
+ # keep a backup just in case
+ if [ -f "$conf" ]; then
+ mv $conf $conf.old
+ fi
+
+ mv $conf.new $conf
+fi
+
diff --git a/main/syslinux/extlinux.conf b/main/syslinux/update-extlinux.conf
index 05bdcc935b..17a47f22ca 100644
--- a/main/syslinux/extlinux.conf
+++ b/main/syslinux/update-extlinux.conf
@@ -1,8 +1,13 @@
# configuration for extlinux config builder
-# fancy_menu
+# overwrite
+# Overwrite current /boot/extlinux.conf. If this is not '1' we will only
+# write to /boot/extlinux.conf.new
+overwrite=1
+
+# vesa_menu
# use fancy vesa menu (vesamenu.c32) menus, won't work with serial
-fancy_menu=0
+vesa_menu=0
# default_kernel_opts
# default kernel options