Invocation meta-data: include repository-config digest

To do so, extend multi-repo setup to also return the digest of the
configuration file.

1 files changed, 12 insertions, 3 deletions

diff --git a/src/other_tools/just_mr/setup.cpp b/src/other_tools/just_mr/setup.cpp
index 5fb8dfed..9ba02fa7 100644
--- a/src/other_tools/just_mr/setup.cpp
+++ b/src/other_tools/just_mr/setup.cpp
@@ -30,6 +30,7 @@
 #include "nlohmann/json.hpp"
 #include "src/buildtool/build_engine/expression/expression.hpp"
 #include "src/buildtool/build_engine/expression/expression_ptr.hpp"
+#include "src/buildtool/common/artifact_digest.hpp"
 #include "src/buildtool/common/remote/remote_common.hpp"
 #include "src/buildtool/common/user_structs.hpp"
 #include "src/buildtool/crypto/hash_function.hpp"
@@ -51,7 +52,6 @@
 #include "src/buildtool/multithreading/task_system.hpp"
 #include "src/buildtool/progress_reporting/base_progress_reporter.hpp"
 #include "src/buildtool/serve_api/remote/serve_api.hpp"
-#include "src/buildtool/storage/fs_utils.hpp"
 #include "src/buildtool/storage/garbage_collector.hpp"
 #include "src/other_tools/just_mr/progress_reporting/progress.hpp"
 #include "src/other_tools/just_mr/progress_reporting/progress_reporter.hpp"
@@ -82,7 +82,7 @@ auto MultiRepoSetup(std::shared_ptr<Configuration> const& config,
                     Storage const& native_storage,
                     bool interactive,
                     std::string const& multi_repo_tool_name)
-    -> std::optional<std::filesystem::path> {
+    -> std::optional<std::pair<std::filesystem::path, std::string>> {
     // provide report
     Logger::Log(LogLevel::Info, "Performing repositories setup");
     // set anchor dir to setup_root; current dir will be reverted when anchor
@@ -536,5 +536,14 @@ auto MultiRepoSetup(std::shared_ptr<Configuration> const& config,
         return std::nullopt;
     }
     // if successful, return the output config
-    return StorageUtils::AddToCAS(native_storage, mr_config.dump(2));
+    auto const& cas = native_storage.CAS();
+    auto digest = cas.StoreBlob(mr_config.dump(2));
+    if (not digest) {
+        return std::nullopt;
+    }
+    auto blob_path = cas.BlobPath(*digest, /*is_executable=*/false);
+    if (not blob_path) {
+        return std::nullopt;
+    }
+    return std::make_optional(std::make_pair(*blob_path, digest->hash()));
 }