uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948 this can do it nicely. Signed-off-by: Anton Arapov <anton@deadbeef.mx>
This commit is contained in:
Anton Arapov
Alan Daniels
commit
56de2bcd43
30691 changed files with 3076956 additions and 0 deletions
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{ config, lib, pkgs, ... }:
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with lib;
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let
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blCfg = config.boot.loader;
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dtCfg = config.hardware.deviceTree;
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cfg = blCfg.generic-extlinux-compatible;
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timeoutStr = if blCfg.timeout == null then "-1" else toString blCfg.timeout;
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# The builder used to write during system activation
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builder = import ./extlinux-conf-builder.nix { inherit pkgs; };
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# The builder exposed in populateCmd, which runs on the build architecture
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populateBuilder = import ./extlinux-conf-builder.nix { pkgs = pkgs.buildPackages; };
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in
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{
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options = {
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boot.loader.generic-extlinux-compatible = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = ''
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Whether to generate an extlinux-compatible configuration file
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under <literal>/boot/extlinux.conf</literal>. For instance,
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U-Boot's generic distro boot support uses this file format.
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See <link xlink:href="http://git.denx.de/?p=u-boot.git;a=blob;f=doc/README.distro;hb=refs/heads/master">U-boot's documentation</link>
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for more information.
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'';
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};
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useGenerationDeviceTree = mkOption {
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default = true;
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type = types.bool;
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description = ''
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Whether to generate Device Tree-related directives in the
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extlinux configuration.
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When enabled, the bootloader will attempt to load the device
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tree binaries from the generation's kernel.
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Note that this affects all generations, regardless of the
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setting value used in their configurations.
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'';
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};
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configurationLimit = mkOption {
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default = 20;
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example = 10;
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type = types.int;
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description = ''
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Maximum number of configurations in the boot menu.
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'';
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};
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populateCmd = mkOption {
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type = types.str;
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readOnly = true;
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description = ''
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Contains the builder command used to populate an image,
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honoring all options except the <literal>-c <path-to-default-configuration></literal>
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argument.
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Useful to have for sdImage.populateRootCommands
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'';
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};
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};
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};
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config = let
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builderArgs = "-g ${toString cfg.configurationLimit} -t ${timeoutStr}"
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+ lib.optionalString (dtCfg.name != null) " -n ${dtCfg.name}"
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+ lib.optionalString (!cfg.useGenerationDeviceTree) " -r";
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in
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mkIf cfg.enable {
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system.build.installBootLoader = "${builder} ${builderArgs} -c";
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system.boot.loader.id = "generic-extlinux-compatible";
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boot.loader.generic-extlinux-compatible.populateCmd = "${populateBuilder} ${builderArgs}";
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};
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}
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@ -0,0 +1,8 @@
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{ pkgs }:
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pkgs.substituteAll {
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src = ./extlinux-conf-builder.sh;
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isExecutable = true;
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path = [pkgs.coreutils pkgs.gnused pkgs.gnugrep];
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inherit (pkgs) bash;
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}
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@ -0,0 +1,157 @@
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#! @bash@/bin/sh -e
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shopt -s nullglob
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export PATH=/empty
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for i in @path@; do PATH=$PATH:$i/bin; done
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usage() {
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echo "usage: $0 -t <timeout> -c <path-to-default-configuration> [-d <boot-dir>] [-g <num-generations>] [-n <dtbName>] [-r]" >&2
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exit 1
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}
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timeout= # Timeout in centiseconds
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default= # Default configuration
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target=/boot # Target directory
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numGenerations=0 # Number of other generations to include in the menu
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while getopts "t:c:d:g:n:r" opt; do
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case "$opt" in
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t) # U-Boot interprets '0' as infinite and negative as instant boot
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if [ "$OPTARG" -lt 0 ]; then
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timeout=0
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elif [ "$OPTARG" = 0 ]; then
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timeout=-10
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else
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timeout=$((OPTARG * 10))
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fi
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;;
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c) default="$OPTARG" ;;
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d) target="$OPTARG" ;;
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g) numGenerations="$OPTARG" ;;
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n) dtbName="$OPTARG" ;;
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r) noDeviceTree=1 ;;
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\?) usage ;;
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esac
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done
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[ "$timeout" = "" -o "$default" = "" ] && usage
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mkdir -p $target/nixos
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mkdir -p $target/extlinux
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# Convert a path to a file in the Nix store such as
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# /nix/store/<hash>-<name>/file to <hash>-<name>-<file>.
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cleanName() {
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local path="$1"
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echo "$path" | sed 's|^/nix/store/||' | sed 's|/|-|g'
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}
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# Copy a file from the Nix store to $target/nixos.
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declare -A filesCopied
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copyToKernelsDir() {
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local src=$(readlink -f "$1")
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local dst="$target/nixos/$(cleanName $src)"
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# Don't copy the file if $dst already exists. This means that we
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# have to create $dst atomically to prevent partially copied
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# kernels or initrd if this script is ever interrupted.
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if ! test -e $dst; then
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local dstTmp=$dst.tmp.$$
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cp -r $src $dstTmp
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mv $dstTmp $dst
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fi
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filesCopied[$dst]=1
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result=$dst
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}
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# Copy its kernel, initrd and dtbs to $target/nixos, and echo out an
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# extlinux menu entry
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addEntry() {
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local path=$(readlink -f "$1")
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local tag="$2" # Generation number or 'default'
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if ! test -e $path/kernel -a -e $path/initrd; then
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return
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fi
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copyToKernelsDir "$path/kernel"; kernel=$result
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copyToKernelsDir "$path/initrd"; initrd=$result
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dtbDir=$(readlink -m "$path/dtbs")
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if [ -e "$dtbDir" ]; then
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copyToKernelsDir "$dtbDir"; dtbs=$result
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fi
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timestampEpoch=$(stat -L -c '%Z' $path)
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timestamp=$(date "+%Y-%m-%d %H:%M" -d @$timestampEpoch)
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nixosLabel="$(cat $path/nixos-version)"
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extraParams="$(cat $path/kernel-params)"
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echo
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echo "LABEL nixos-$tag"
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if [ "$tag" = "default" ]; then
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echo " MENU LABEL NixOS - Default"
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else
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echo " MENU LABEL NixOS - Configuration $tag ($timestamp - $nixosLabel)"
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fi
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echo " LINUX ../nixos/$(basename $kernel)"
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echo " INITRD ../nixos/$(basename $initrd)"
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echo " APPEND init=$path/init $extraParams"
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if [ -n "$noDeviceTree" ]; then
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return
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fi
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if [ -d "$dtbDir" ]; then
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# if a dtbName was specified explicitly, use that, else use FDTDIR
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if [ -n "$dtbName" ]; then
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echo " FDT ../nixos/$(basename $dtbs)/${dtbName}"
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else
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echo " FDTDIR ../nixos/$(basename $dtbs)"
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fi
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else
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if [ -n "$dtbName" ]; then
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echo "Explicitly requested dtbName $dtbName, but there's no FDTDIR - bailing out." >&2
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exit 1
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fi
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fi
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}
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tmpFile="$target/extlinux/extlinux.conf.tmp.$$"
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cat > $tmpFile <<EOF
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# Generated file, all changes will be lost on nixos-rebuild!
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# Change this to e.g. nixos-42 to temporarily boot to an older configuration.
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DEFAULT nixos-default
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MENU TITLE ------------------------------------------------------------
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TIMEOUT $timeout
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EOF
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addEntry $default default >> $tmpFile
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if [ "$numGenerations" -gt 0 ]; then
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# Add up to $numGenerations generations of the system profile to the menu,
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# in reverse (most recent to least recent) order.
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for generation in $(
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(cd /nix/var/nix/profiles && ls -d system-*-link) \
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| sed 's/system-\([0-9]\+\)-link/\1/' \
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| sort -n -r \
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| head -n $numGenerations); do
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link=/nix/var/nix/profiles/system-$generation-link
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addEntry $link $generation
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done >> $tmpFile
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fi
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mv -f $tmpFile $target/extlinux/extlinux.conf
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# Remove obsolete files from $target/nixos.
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for fn in $target/nixos/*; do
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if ! test "${filesCopied[$fn]}" = 1; then
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echo "Removing no longer needed boot file: $fn"
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chmod +w -- "$fn"
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rm -rf -- "$fn"
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fi
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done
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