From 7ff60b7445ccb599edcbf0078d181034f61a0859 Mon Sep 17 00:00:00 2001
From: eldritch horrors <pennae@lix.systems>
Date: Sat, 5 Oct 2024 00:38:35 +0200
Subject: libstore: move Goal::exitCode to WorkResult

the field is simply duplicated between the two, and now that we can
return WorkResults from Worker::run we no longer need both of them.

Change-Id: I82fc47d050b39b7bb7d1656445630d271f6c9830
---
 src/libstore/build/entry-points.cc |  6 +++---
 src/libstore/build/goal.cc         | 19 ++++++++++---------
 src/libstore/build/goal.hh         |  5 -----
 3 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/src/libstore/build/entry-points.cc b/src/libstore/build/entry-points.cc
index 73b0f01f3..3efd31682 100644
--- a/src/libstore/build/entry-points.cc
+++ b/src/libstore/build/entry-points.cc
@@ -32,7 +32,7 @@ void Store::buildPaths(const std::vector<DerivedPath> & reqs, BuildMode buildMod
             else
                 ex = i->ex;
         }
-        if (i->exitCode != Goal::ecSuccess) {
+        if (result.exitCode != Goal::ecSuccess) {
             if (auto i2 = dynamic_cast<DerivationGoal *>(i.get()))
                 failed.insert(printStorePath(i2->drvPath));
             else if (auto i2 = dynamic_cast<PathSubstitutionGoal *>(i.get()))
@@ -118,7 +118,7 @@ void Store::ensurePath(const StorePath & path)
     });
     auto [goal, result] = *goals.begin();
 
-    if (goal->exitCode != Goal::ecSuccess) {
+    if (result.exitCode != Goal::ecSuccess) {
         if (goal->ex) {
             goal->ex->withExitStatus(worker.failingExitStatus());
             throw std::move(*goal->ex);
@@ -140,7 +140,7 @@ void Store::repairPath(const StorePath & path)
     });
     auto [goal, result] = *goals.begin();
 
-    if (goal->exitCode != Goal::ecSuccess) {
+    if (result.exitCode != Goal::ecSuccess) {
         /* Since substituting the path didn't work, if we have a valid
            deriver, then rebuild the deriver. */
         auto info = queryPathInfo(path);
diff --git a/src/libstore/build/goal.cc b/src/libstore/build/goal.cc
index ef5e8ae96..c7dee08b7 100644
--- a/src/libstore/build/goal.cc
+++ b/src/libstore/build/goal.cc
@@ -25,8 +25,6 @@ try {
     BOOST_OUTCOME_CO_TRY(auto result, co_await workImpl());
 
     trace("done");
-    assert(!exitCode.has_value());
-    exitCode = result.exitCode;
     ex = result.ex;
 
     notify->fulfill(result);
@@ -42,14 +40,17 @@ Goal::waitForGoals(kj::Array<std::pair<GoalPtr, kj::Promise<Result<WorkResult>>>
 try {
     auto left = dependencies.size();
     for (auto & [dep, p] : dependencies) {
-        p = p.then([this, dep, &left](auto _result) {
+        p = p.then([this, dep, &left](auto _result) -> Result<WorkResult> {
+            BOOST_OUTCOME_TRY(auto result, _result);
+
             left--;
             trace(fmt("waitee '%s' done; %d left", dep->name, left));
 
-            if (dep->exitCode != Goal::ecSuccess) ++nrFailed;
-            if (dep->exitCode == Goal::ecNoSubstituters) ++nrNoSubstituters;
-            if (dep->exitCode == Goal::ecIncompleteClosure) ++nrIncompleteClosure;
-            return _result;
+            if (result.exitCode != Goal::ecSuccess) ++nrFailed;
+            if (result.exitCode == Goal::ecNoSubstituters) ++nrNoSubstituters;
+            if (result.exitCode == Goal::ecIncompleteClosure) ++nrIncompleteClosure;
+
+            return std::move(result);
         }).eagerlyEvaluate(nullptr);
     }
 
@@ -57,11 +58,11 @@ try {
 
     while (auto item = co_await collectDeps.next()) {
         auto & [dep, _result] = *item;
-        BOOST_OUTCOME_CO_TRYV(_result);
+        BOOST_OUTCOME_CO_TRY(auto result, _result);
 
         waiteeDone(dep);
 
-        if (dep->exitCode == ecFailed && !settings.keepGoing) {
+        if (result.exitCode == ecFailed && !settings.keepGoing) {
             co_return result::success();
         }
     }
diff --git a/src/libstore/build/goal.hh b/src/libstore/build/goal.hh
index fbcbbcffc..904b7564b 100644
--- a/src/libstore/build/goal.hh
+++ b/src/libstore/build/goal.hh
@@ -82,11 +82,6 @@ struct Goal
      */
     std::string name;
 
-    /**
-     * Whether the goal is finished.
-     */
-    std::optional<ExitCode> exitCode;
-
     /**
      * Build result.
      */
-- 
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