From ef2da9cbe1d55fd9667ad7fe42792ffd8ed0ec50 Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Tue, 5 Dec 2023 13:07:05 +0100
Subject: Add CLI option to set write strategy for target-level cache

---
 src/buildtool/common/cli.hpp | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'src/buildtool/common/cli.hpp')

diff --git a/src/buildtool/common/cli.hpp b/src/buildtool/common/cli.hpp
index bdcc5716..9c2bc7e2 100644
--- a/src/buildtool/common/cli.hpp
+++ b/src/buildtool/common/cli.hpp
@@ -30,6 +30,7 @@
 #include "src/buildtool/common/clidefaults.hpp"
 #include "src/buildtool/compatibility/compatibility.hpp"
 #include "src/buildtool/logging/log_level.hpp"
+#include "src/buildtool/main/build_utils.hpp"
 #include "src/utils/cpp/path.hpp"
 
 constexpr auto kDefaultTimeout = std::chrono::milliseconds{300000};
@@ -103,6 +104,12 @@ struct BuildArguments {
     bool show_runfiles{false};
 };
 
+/// \brief Arguments related to target-level caching
+struct TCArguments {
+    TargetCacheWriteStrategy target_cache_write_strategy{
+        TargetCacheWriteStrategy::Sync};
+};
+
 /// \brief Arguments required for staging.
 struct StageArguments {
     std::filesystem::path output_dir{};
@@ -461,6 +468,26 @@ static inline auto SetupBuildArguments(
         ->type_name("LOGICAL_PATH");
 }
 
+static inline auto SetupTCArguments(gsl::not_null<CLI::App*> const& app,
+                                    gsl::not_null<TCArguments*> const& tcargs) {
+    app->add_option_function<std::string>(
+           "--target-cache-write-strategy",
+           [tcargs](auto const& s) {
+               auto strategy = ToTargetCacheWriteStrategy(s);
+               if (strategy) {
+                   tcargs->target_cache_write_strategy = *strategy;
+               }
+               else {
+                   Logger::Log(LogLevel::Warning,
+                               "Ignoring unknown strategy {} to write "
+                               "target-level cache.",
+                               nlohmann::json(s).dump());
+               }
+           },
+           "Strategy for writing target-cache. (Default: sync)")
+        ->type_name("STRATEGY");
+}
+
 static inline auto SetupStageArguments(
     gsl::not_null<CLI::App*> const& app,
     gsl::not_null<StageArguments*> const& clargs) {
-- 
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