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🐛 fix bug

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make sure that we have valid initcpio config,
overwise we will end up here with unbootable system.
This commit is contained in:
Vladislav Nepogodin 2022-08-18 03:56:20 +04:00
parent ea82bbb4cc
commit 51e661e706
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GPG Key ID: B62C3D10C54D5DA9
3 changed files with 21 additions and 2 deletions
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11
src/initcpio.hpp
View File

@ -61,6 +61,17 @@ class Initcpio {
hooks.emplace_back(std::move(hook));
return this->write();
}
inline bool append_hooks(std::vector<std::string>&& hook) noexcept {
/* clang-format off */
if (!this->parse_file()) { return false; }
auto&& filtered_input = hook | ranges::views::filter([&](auto&& el) {
return !ranges::contains(hooks, el);
}) | ranges::to<std::vector<std::string>>();
if (filtered_input.empty()) { return false; }
hooks.insert(hooks.end(), filtered_input.begin(), filtered_input.end());
return this->write();
}
inline bool insert_hook(std::string&& needle, std::string&& hook) noexcept {
/* clang-format off */
if (!this->parse_file()) { return false; }

10
src/utils.cpp
View File

@ -747,6 +747,10 @@ void install_base(const std::string_view& packages) noexcept {
const auto& initcpio_filename = fmt::format(FMT_COMPILE("{}/etc/mkinitcpio.conf"), mountpoint);
auto initcpio = detail::Initcpio{initcpio_filename};
// NOTE: make sure that we have valid initcpio config,
// overwise we will end up here with unbootable system.
initcpio.append_hooks({"base", "udev", "autodetect", "modconf", "block", "filesystems", "keyboard", "fsck"});
// filter_packages
utils::install_from_pkglist(base_pkgs);
@ -760,6 +764,7 @@ void install_base(const std::string_view& packages) noexcept {
std::int32_t zfs_root = 0;
const auto& filesystem_type = fmt::format(FMT_COMPILE("findmnt -ln -o FSTYPE {}"), mountpoint);
spdlog::info("filesystem type on '{}' := '{}'", mountpoint, filesystem_type);
if (filesystem_type == "btrfs") {
btrfs_root = 1;
initcpio.remove_hook("fsck");
@ -776,6 +781,7 @@ void install_base(const std::string_view& packages) noexcept {
// add luks and lvm hooks as needed
const auto& lvm = std::get<std::int32_t>(config_data["LVM"]);
const auto& luks = std::get<std::int32_t>(config_data["LUKS"]);
spdlog::info("LVM := {}, LUKS := {}", lvm, luks);
if (lvm == 1 && luks == 0) {
initcpio.insert_hook("filesystems", "lvm2");
@ -792,7 +798,9 @@ void install_base(const std::string_view& packages) noexcept {
// Just explicitly flush the data to file,
// if smth really happened between our calls.
initcpio.write();
if (initcpio.parse_file()) {
initcpio.write();
}
if (lvm + luks + btrfs_root + zfs_root > 0) {
utils::arch_chroot("mkinitcpio -P");

2
tests/unit-initcpio.cpp
View File

@ -58,7 +58,7 @@ int main() {
initcpio.append_module("radeon");
initcpio.append_hook("btrfs");
initcpio.append_module("crc32c-intel");
initcpio.hooks.insert(initcpio.hooks.end(), {"usr", "lvm2", "zfs"});
initcpio.append_hooks({"usr", "lvm2", "zfs"});
// Write data.
assert(initcpio.write());