diff options
| -rw-r--r-- | main/compat-pvgrub/APKBUILD | 33 | ||||
| -rw-r--r-- | main/compat-pvgrub/compat-pvgrub.trigger | 3 | ||||
| -rwxr-xr-x | main/compat-pvgrub/update-pvgrub | 117 |
3 files changed, 153 insertions, 0 deletions
diff --git a/main/compat-pvgrub/APKBUILD b/main/compat-pvgrub/APKBUILD new file mode 100644 index 00000000000..61e3741e1ed --- /dev/null +++ b/main/compat-pvgrub/APKBUILD @@ -0,0 +1,33 @@ +# Contributor: William Pitcock <nenolod@dereferenced.org> +# Maintainer: William Pitcock <nenolod@dereferenced.org> +pkgname=compat-pvgrub +pkgver=1 +pkgrel=0 +pkgdesc="compatibility support for PV-GRUB 1.x" +url="http://www.alpinelinux.org/" +arch="noarch" +license="ISC" +depends="" +depends_dev="" +makedepends="$depends_dev" +triggers="compat-pvgrub.trigger=/boot" +install="" +subpackages="" +source="update-pvgrub" + +_builddir="$srcdir" + +package() { + cd "$_builddir" + + mkdir -p "$pkgdir"/boot/grub "$pkgdir"/sbin + touch "$pkgdir"/boot/grub/.keep-compat-pvgrub + + sed "/^version=/s/=.*/=$pkgver-r$pkgrel/" "$srcdir"/update-pvgrub \ + > "$pkgdir"/sbin/update-pvgrub + chmod 755 "$pkgdir"/sbin/update-pvgrub +} + +md5sums="19cc71a4929ebf83df27af57b167cd8e update-pvgrub" +sha256sums="ede72f8a3f7091d8e03f15720c1bab0e7da3f6c5bea70811690c84269d50b824 update-pvgrub" +sha512sums="6b41f5d7280527164ebfa631c04240f6c05854cb31fb839a1e7e5375c5bdc5a608e7e20228dc83d31534c21558c8157a437fb537b6c194f2d220b59a0438c017 update-pvgrub" diff --git a/main/compat-pvgrub/compat-pvgrub.trigger b/main/compat-pvgrub/compat-pvgrub.trigger new file mode 100644 index 00000000000..541aed7c690 --- /dev/null +++ b/main/compat-pvgrub/compat-pvgrub.trigger @@ -0,0 +1,3 @@ +#!/bin/sh + +update-pvgrub diff --git a/main/compat-pvgrub/update-pvgrub b/main/compat-pvgrub/update-pvgrub new file mode 100755 index 00000000000..56594a337b2 --- /dev/null +++ b/main/compat-pvgrub/update-pvgrub @@ -0,0 +1,117 @@ +#!/bin/sh + +version= +default=0 +timeout=5 +verbose=0 + +conf=/boot/grub/menu.lst +myconf=/etc/update-extlinux.conf + +# read in extlinux settings +if [ -f "$myconf" ]; then + . $myconf +fi + +everbose() { + if [ "$verbose" = "0" ]; then + return + fi + + echo $* +} + +ewarn() { + echo "WARNING:" $@ >&2 +} + +eerror() { + echo "ERROR:" $@ >&2 + return 1 +} + +everbose "Updating extlinux configuration." + +if [ "x$root" = "x" ]; then + 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 + +menu_hidden= + +umask 0022 +rm -f $conf.new +echo "# Generated by update-pvgrub $version" > $conf.new +echo "default 0" >> $conf.new +if [ "$hidden" = "1" ]; then + echo "hiddenmenu" >> $conf.new +fi +echo "timeout $rtimeout" >> $conf.new + +lst=0 + +for kernel in $(find /boot -name "vmlinuz-*" -type f); do + tag=$(basename $kernel | cut -b9-) + everbose "Found kernel: $kernel" + label=$(grep -w -l $tag /usr/share/kernel/*/kernel.release | cut -d/ -f5) + if [ -z "$label" ]; then + label=$lst + fi + echo "title Linux $tag" >> $conf.new + echo "root (hd0)" >> $conf.new + echo "kernel /boot/$(basename $kernel) root=$root modules=${modules}${TYPE:+,$TYPE} $default_kernel_opts" >> $conf.new + if [ -f "/boot/initramfs-$tag" ]; then + everbose "Found initramfs: /boot/initramfs-$tag" + echo "initrd /boot/initramfs-$tag" >> $conf.new + fi + echo "" >> $conf.new + lst=$(($lst + 1)) +done + +if [ -n "$password" ]; then + echo "password --md5 $password" >> $conf.new + echo "" >> $conf.new + chmod o-r $conf.new +fi + +everbose "$lst entries found." + +if cmp -s $conf.new $conf; then + everbose "Configuration unchanged." + rm $conf.new +fi + +if [ "$overwrite" != "1" ]; then + exit 0 +elif [ -f "$conf.new" ]; then + # keep a backup just in case + if [ -f "$conf" ]; then + mv $conf $conf.old + fi + + mv $conf.new $conf +fi |