getBuildLog: factor out resolving derivations

1 files changed, 8 insertions, 1 deletions

diff --git a/src/libstore/log-store.hh b/src/libstore/log-store.hh
index ff1b92e17..b807e3e71 100644
--- a/src/libstore/log-store.hh
+++ b/src/libstore/log-store.hh
@@ -11,7 +11,14 @@ struct LogStore : public virtual Store
 
     /* Return the build log of the specified store path, if available,
        or null otherwise. */
-    virtual std::optional<std::string> getBuildLog(const StorePath & path) = 0;
+    std::optional<std::string> getBuildLog(const StorePath & path) {
+      auto maybePath = getBuildDerivationPath(path);
+      if (!maybePath)
+          return std::nullopt;
+      return getBuildLogExact(maybePath.value());
+    }
+
+    virtual std::optional<std::string> getBuildLogExact(const StorePath & path) = 0;
 
     virtual void addBuildLog(const StorePath & path, std::string_view log) = 0;