Merge pull request #12663 from obsidiansystems/local-derivation-goal-encapsulation

Separate derivation building from the scheduler

src/libstore/build/derivation-goal.cc

@@ -5,31 +5,17 @@
 #include "nix/util/processes.hh"
 #include "nix/util/config-global.hh"
 #include "nix/store/build/worker.hh"
-#include "nix/store/builtins.hh"
-#include "nix/store/builtins/buildenv.hh"
-#include "nix/util/references.hh"
-#include "nix/util/finally.hh"
 #include "nix/util/util.hh"
-#include "nix/util/archive.hh"
 #include "nix/util/compression.hh"
 #include "nix/store/common-protocol.hh"
 #include "nix/store/common-protocol-impl.hh"
-#include "nix/util/topo-sort.hh"
-#include "nix/util/callback.hh"
 #include "nix/store/local-store.hh" // TODO remove, along with remaining downcasts
 
-#include <regex>
-#include <queue>
-
 #include <fstream>
 #include <sys/types.h>
 #include <fcntl.h>
 #include <unistd.h>
 
-#ifndef _WIN32 // TODO abstract over proc exit status
-#  include <sys/wait.h>
-#endif
-
 #include <nlohmann/json.hpp>
 
 #include "nix/util/strings.hh"
@@ -879,11 +865,7 @@ void runPostBuildHook(
 }
 
 
-void appendLogTailErrorMsg(
+void DerivationGoal::appendLogTailErrorMsg(std::string & msg)
-    const Store & store,
-    const StorePath & drvPath,
-    const std::list<std::string> & logTail,
-    std::string & msg)
 {
     if (!logger->isVerbose() && !logTail.empty()) {
         msg += fmt(";\nlast %d log lines:\n", logTail.size());
@@ -900,7 +882,7 @@ void appendLogTailErrorMsg(
         // command will not put it at the start of the line unfortunately.
         msg += fmt("For full logs, run:\n  " ANSI_BOLD "%s %s" ANSI_NORMAL,
             nixLogCommand,
-            store.printStorePath(drvPath));
+            worker.store.printStorePath(drvPath));
     }
 }
 
@@ -947,7 +929,7 @@ Goal::Co DerivationGoal::hookDone()
             Magenta(worker.store.printStorePath(drvPath)),
             statusToString(status));
 
-        appendLogTailErrorMsg(worker.store, drvPath, logTail, msg);
+        appendLogTailErrorMsg(msg);
 
         outputLocks.unlock();
 

src/libstore/include/nix/store/build/derivation-goal.hh

@@ -63,13 +63,6 @@ void runPostBuildHook(
     const StorePath & drvPath,
     const StorePathSet & outputPaths);
 
-/** Used internally */
-void appendLogTailErrorMsg(
-    const Store & store,
-    const StorePath & drvPath,
-    const std::list<std::string> & logTail,
-    std::string & msg);
-
 /**
  * A goal for building some or all of the outputs of a derivation.
  */
@@ -306,6 +299,8 @@ struct DerivationGoal : public Goal
         SingleDrvOutputs builtOutputs = {},
         std::optional<Error> ex = {});
 
+    void appendLogTailErrorMsg(std::string & msg);
+
     StorePathSet exportReferences(const StorePathSet & storePaths);
 
     JobCategory jobCategory() const override {