configured_target: limit size of short representation

... to 320 chars for the configuration to keep error messages managable
in case of heavy configurations (e.g., generated internally by a complex
configure target).

1 files changed, 5 insertions, 1 deletions

diff --git a/src/buildtool/build_engine/target_map/configured_target.hpp b/src/buildtool/build_engine/target_map/configured_target.hpp
index e5713460..962508ec 100644
--- a/src/buildtool/build_engine/target_map/configured_target.hpp
+++ b/src/buildtool/build_engine/target_map/configured_target.hpp
@@ -30,6 +30,8 @@ struct ConfiguredTarget {
     BuildMaps::Base::EntityName target;
     Configuration config;
 
+    static constexpr std::size_t kConfigLength = 320;
+
     [[nodiscard]] auto operator==(
         BuildMaps::Target::ConfiguredTarget const& other) const noexcept
         -> bool {
@@ -42,7 +44,9 @@ struct ConfiguredTarget {
 
     [[nodiscard]] auto ToShortString() const noexcept -> std::string {
         return fmt::format(
-            "[{},{}]", target.ToString(), PruneJson(config.ToJson()).dump());
+            "[{},{}]",
+            target.ToString(),
+            AbbreviateJson(PruneJson(config.ToJson()), kConfigLength));
     }
 };