453e9abc9e
echo $(cat <<EOF bla EOF) It does accept backticks: echo `cat <<EOF bla EOF` svn path=/nixos/trunk/; revision=15192
151 lines
3.8 KiB
Bash
151 lines
3.8 KiB
Bash
#! @bash@/bin/sh -e
|
|
|
|
shopt -s nullglob
|
|
|
|
export PATH=/empty
|
|
for i in @path@; do PATH=$PATH:$i/bin; done
|
|
|
|
default=$1
|
|
if test -z "$1"; then
|
|
echo "Syntax: grub-menu-builder.sh <DEFAULT-CONFIG>"
|
|
exit 1
|
|
fi
|
|
|
|
bootMount="@bootMount@"
|
|
if test -z "$bootMount"; then bootMount=/boot; fi
|
|
|
|
|
|
target=/boot/grub/menu.lst
|
|
tmp=$target.tmp
|
|
|
|
cat > $tmp << GRUBEND
|
|
# Automatically generated. DO NOT EDIT THIS FILE!
|
|
default 0
|
|
timeout 5
|
|
GRUBEND
|
|
|
|
|
|
if test -n "@grubSplashImage@"; then
|
|
splashLocation=@grubSplashImage@
|
|
# !!! image in /nix/store doesn't seem to work
|
|
#if test -n "@copyKernels@"; then
|
|
cp -f $splashLocation /boot/background.xpm.gz
|
|
splashLocation="$bootMount/background.xpm.gz"
|
|
#fi
|
|
echo "splashimage $splashLocation" >> $tmp
|
|
fi
|
|
|
|
configurationCounter=0
|
|
configurationLimit="@configurationLimit@"
|
|
numAlienEntries=`cat <<EOF | egrep '^[[:space:]]*title' | wc -l
|
|
@extraGrubEntries@
|
|
EOF`
|
|
|
|
if test $((configurationLimit+numAlienEntries)) -gt 190; then
|
|
configurationLimit=$((190-numAlienEntries));
|
|
fi
|
|
|
|
addEntry() {
|
|
local name="$1"
|
|
local path="$2"
|
|
local shortSuffix="$3"
|
|
|
|
configurationCounter=$((configurationCounter + 1))
|
|
if test $configurationCounter -gt @configurationLimit@ ; then
|
|
return
|
|
fi;
|
|
|
|
if ! test -e $path/kernel -a -e $path/initrd; then
|
|
return
|
|
fi
|
|
|
|
local kernel=$(readlink -f $path/kernel)
|
|
local initrd=$(readlink -f $path/initrd)
|
|
|
|
if test "$path" = "$default"; then
|
|
cp "$kernel" /boot/nixos-kernel
|
|
cp "$initrd" /boot/nixos-initrd
|
|
cp "$(readlink -f "$path/init")" /boot/nixos-init
|
|
cat > /boot/nixos-grub-config <<EOF
|
|
title Emergency boot
|
|
kernel ${bootMount:-/boot}/nixos-kernel systemConfig=$(readlink -f "$path") init=/boot/nixos-init $(cat "$path/kernel-params")
|
|
initrd ${bootMount:-/boot}/nixos-initrd
|
|
EOF
|
|
fi
|
|
|
|
if test -n "@copyKernels@"; then
|
|
local kernel2=/boot/kernels/$(echo $kernel | sed 's^/^-^g')
|
|
if ! test -e $kernel2; then
|
|
cp $kernel $kernel2
|
|
fi
|
|
kernel=$kernel2
|
|
|
|
local initrd2=/boot/kernels/$(echo $initrd | sed 's^/^-^g')
|
|
if ! test -e $initrd2; then
|
|
cp $initrd $initrd2
|
|
fi
|
|
initrd=$initrd2
|
|
|
|
if test -n "$bootMount"; then
|
|
kernel=$(echo $kernel2 | sed -e "s^/boot^$bootMount^")
|
|
initrd=$(echo $initrd2 | sed -e "s^/boot^$bootMount^")
|
|
fi
|
|
fi
|
|
|
|
local confName=$(if test -e $path/configuration-name; then
|
|
cat $path/configuration-name;
|
|
fi);
|
|
if test -n "$confName" ; then
|
|
name="$confName $3";
|
|
fi;
|
|
|
|
cat >> $tmp << GRUBEND
|
|
|
|
title $name
|
|
kernel $kernel systemConfig=$(readlink -f $path) init=$(readlink -f $path/init) $(cat $path/kernel-params)
|
|
initrd $initrd
|
|
GRUBEND
|
|
}
|
|
|
|
|
|
rm -rf /boot/kernels
|
|
if test -n "@copyKernels@"; then
|
|
mkdir -p /boot/kernels
|
|
fi
|
|
|
|
# Additional entries specified verbatim by the configuration.
|
|
extraGrubEntries=`cat <<EOF
|
|
@extraGrubEntries@
|
|
EOF`
|
|
|
|
|
|
if test -n "@extraGrubEntriesBeforeNixos@"; then
|
|
echo "$extraGrubEntries" >> $tmp
|
|
fi
|
|
|
|
addEntry "NixOS - Default" $default ""
|
|
|
|
if test -z "@extraGrubEntriesBeforeNixos@"; then
|
|
echo "$extraGrubEntries" >> $tmp
|
|
fi
|
|
|
|
# Add all generations of the system profile to the menu, in reverse
|
|
# (most recent to least recent) order.
|
|
for link in $((ls -d $default/fine-tune/* ) | sort -n); do
|
|
date=$(stat --printf="%y\n" $link | sed 's/\..*//')
|
|
addEntry "NixOS - variation" $link ""
|
|
done
|
|
for generation in $(
|
|
(cd /nix/var/nix/profiles && ls -d system-*-link) \
|
|
| sed 's/system-\([0-9]\+\)-link/\1/' \
|
|
| sort -n -r); do
|
|
echo $generation
|
|
link=/nix/var/nix/profiles/system-$generation-link
|
|
date=$(stat --printf="%y\n" $link | sed 's/\..*//')
|
|
kernelVersion=$(cd $(dirname $(readlink -f $link/kernel))/lib/modules && echo *)
|
|
addEntry "NixOS - Configuration $generation ($date - $kernelVersion)" $link "$generation ($date)"
|
|
done
|
|
|
|
|
|
cp $tmp $target
|