From c32112e42e8d6d57897caff48f2e842b73445135 Mon Sep 17 00:00:00 2001
From: Vladislav Nepogodin <nepogodin.vlad@gmail.com>
Date: Mon, 10 Jan 2022 03:48:57 +0400
Subject: [PATCH] =?UTF-8?q?=F0=9F=91=B7=20add=20x86=5F64=5Fv3?=
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---
 src/tui.cpp   |  2 ++
 src/utils.cpp | 25 +++++++++++++++++++++++++
 src/utils.hpp |  2 ++
 3 files changed, 29 insertions(+)

diff --git a/src/tui.cpp b/src/tui.cpp
index 4caf73d..306162a 100644
--- a/src/tui.cpp
+++ b/src/tui.cpp
@@ -828,6 +828,8 @@ void install_base() noexcept {
     spdlog::info(fmt::format("Preparing for pkgs to install: \"{}\"", packages));
 
 #ifdef NDEVENV
+    utils::try_v3();
+
     // filter_packages
     const auto& hostcache = std::get<std::int32_t>(config_data["hostcache"]);
     if (hostcache) {
diff --git a/src/utils.cpp b/src/utils.cpp
index 8d17181..9941216 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -632,6 +632,31 @@ void show_iwctl() noexcept {
     }
 }
 
+void try_v3() noexcept {
+    const auto& ret_status = utils::exec("/lib/ld-linux-x86-64.so.2 --help | grep \"x86-64-v3 (supported, searched)\" > /dev/null", true);
+    if (ret_status != "0") {
+        spdlog::warn("x86-64-v3 is not supported");
+        return;
+    }
+    spdlog::info("x86-64-v3 is supported");
+
+#ifdef NDEVENV
+    static constexpr auto pacman_conf             = "/etc/pacman.conf";
+    static constexpr auto pacman_conf_cachyos     = "/etc/pacman-more.conf";
+    static constexpr auto pacman_conf_path_backup = "/etc/pacman.conf.bak";
+    std::error_code err{};
+
+    utils::exec(fmt::format("sed -i 's/Architecture = auto/#Architecture = auto/' {}", pacman_conf_cachyos));
+    utils::exec(fmt::format("sed -i 's/#<disabled_v3>//g' {}", pacman_conf_cachyos));
+
+    spdlog::info("backup old config");
+    fs::rename(pacman_conf, pacman_conf_path_backup, err);
+
+    spdlog::info("CachyOS -v3 Repo changed");
+    fs::rename(pacman_conf_cachyos, pacman_conf, err);
+#endif
+}
+
 void set_keymap() noexcept {
     auto* config_instance = Config::instance();
     auto& config_data     = config_instance->data();
diff --git a/src/utils.hpp b/src/utils.hpp
index 6a336b6..2b378e9 100644
--- a/src/utils.hpp
+++ b/src/utils.hpp
@@ -38,6 +38,8 @@ void id_system() noexcept;
 [[nodiscard]] bool handle_connection() noexcept;
 void show_iwctl() noexcept;
 
+void try_v3() noexcept;
+
 void set_keymap() noexcept;
 void parse_config() noexcept;
 void setup_luks_keyfile() noexcept;