gc: add option --no-rotation

... to clean up what can be done without losing cache information.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/buildtool/common/cli.hpp b/src/buildtool/common/cli.hpp
index 387092bc..5b8df960 100644
--- a/src/buildtool/common/cli.hpp
+++ b/src/buildtool/common/cli.hpp
@@ -180,6 +180,10 @@ struct ServeArguments {
     std::vector<std::filesystem::path> repositories{};
 };
 
+struct GcArguments {
+    bool no_rotate{};
+};
+
 static inline auto SetupCommonArguments(
     gsl::not_null<CLI::App*> const& app,
     gsl::not_null<CommonArguments*> const& clargs) {
@@ -723,4 +727,12 @@ static inline void SetupRetryArguments(
                     "the resources that survived the outage. (Default: 60)");
 }
 
+static inline void SetupGcArguments(gsl::not_null<CLI::App*> const& app,
+                                    gsl::not_null<GcArguments*> const& args) {
+    app->add_flag("--no-rotate",
+                  args->no_rotate,
+                  "Do not rotate cache generations, only clean up what can be "
+                  "done without losing cache.");
+}
+
 #endif  // INCLUDED_SRC_BUILDTOOL_COMMON_CLI_HPP