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boot.loader.systemd-boot: add extraInstallCommands option (#200715)

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Markus Partheymueller 2022-11-14 14:20:58 +01:00 committed by GitHub
parent b60aa0e01c
commit 5bc1b01a40
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1 changed files with 23 additions and 1 deletions
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24
nixos/modules/system/boot/loader/systemd-boot/systemd-boot.nix
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@ -57,6 +57,12 @@ let
--disallow-untyped-defs \
$out
'';
finalSystemdBootBuilder = pkgs.writeScript "install-systemd-boot.sh" ''
#!${pkgs.runtimeShell}
${checkedSystemdBootBuilder} "$@"
${cfg.extraInstallCommands}
'';
in {
imports =
@ -99,6 +105,22 @@ in {
'';
};
extraInstallCommands = mkOption {
default = "";
example = ''
default_cfg=$(cat /boot/loader/loader.conf | grep default | awk '{print $2}')
init_value=$(cat /boot/loader/entries/$default_cfg | grep init= | awk '{print $2}')
sed -i "s|@INIT@|$init_value|g" /boot/custom/config_with_placeholder.conf
'';
type = types.lines;
description = lib.mdDoc ''
Additional shell commands inserted in the bootloader installer
script after generating menu entries. It can be used to expand
on extra boot entries that cannot incorporate certain pieces of
information (such as the resulting `init=` kernel parameter).
'';
};
consoleMode = mkOption {
default = "keep";
@ -277,7 +299,7 @@ in {
];
system = {
build.installBootLoader = checkedSystemdBootBuilder;
build.installBootLoader = finalSystemdBootBuilder;
boot.loader.id = "systemd-boot";