libstore: remove Worker::updateProgress

just update progress every time a goal has returned from work(). there
seem to be no performance penalties, and the code is much simpler now.

Change-Id: I288ee568b764ee61f40a498d986afda49987cb50

src/libstore/build/derivation-goal.cc

@@ -79,7 +79,6 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath,
     trace("created");
 
     mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
-    worker.updateProgress();
 }
 
 
@@ -100,7 +99,6 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation
     trace("created");
 
     mcExpectedBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.expectedBuilds);
-    worker.updateProgress();
 
     /* Prevent the .chroot directory from being
        garbage-collected. (See isActiveTempFile() in gc.cc.) */
@@ -670,7 +668,6 @@ void DerivationGoal::started()
     act = std::make_unique<Activity>(*logger, lvlInfo, actBuild, msg,
         Logger::Fields{worker.store.printStorePath(drvPath), hook ? machineName : "", 1, 1});
     mcRunningBuilds = std::make_unique<MaintainCount<uint64_t>>(worker.runningBuilds);
-    worker.updateProgress();
 }
 
 void DerivationGoal::tryToBuild()
@@ -1537,8 +1534,6 @@ void DerivationGoal::done(
             worker.failedBuilds++;
     }
 
-    worker.updateProgress();
-
     auto traceBuiltOutputsFile = getEnv("_NIX_TRACE_BUILT_OUTPUTS").value_or("");
     if (traceBuiltOutputsFile != "") {
         std::fstream fs;

src/libstore/build/drv-output-substitution-goal.cc

@@ -48,7 +48,6 @@ void DrvOutputSubstitutionGoal::tryNext()
 
     maintainRunningSubstitutions =
         std::make_unique<MaintainCount<uint64_t>>(worker.runningCASubstitutions);
-    worker.updateProgress();
 
     if (subs.size() == 0) {
         /* None left.  Terminate this goal and let someone else deal
@@ -62,7 +61,6 @@ void DrvOutputSubstitutionGoal::tryNext()
 
         if (substituterFailed) {
             worker.failedSubstitutions++;
-            worker.updateProgress();
         }
 
         return;

src/libstore/build/substitution-goal.cc

@@ -86,7 +86,6 @@ void PathSubstitutionGoal::tryNext()
 
         if (substituterFailed) {
             worker.failedSubstitutions++;
-            worker.updateProgress();
         }
 
         return;
@@ -150,8 +149,6 @@ void PathSubstitutionGoal::tryNext()
         ? std::make_unique<MaintainCount<uint64_t>>(worker.expectedDownloadSize, narInfo->fileSize)
         : nullptr;
 
-    worker.updateProgress();
-
     /* Bail out early if this substituter lacks a valid
        signature. LocalStore::addToStore() also checks for this, but
        only after we've downloaded the path. */
@@ -210,7 +207,6 @@ void PathSubstitutionGoal::tryToRun()
     }
 
     maintainRunningSubstitutions = std::make_unique<MaintainCount<uint64_t>>(worker.runningSubstitutions);
-    worker.updateProgress();
 
     outPipe.create();
 
@@ -289,8 +285,6 @@ void PathSubstitutionGoal::finished()
     worker.doneNarSize += maintainExpectedNar->delta;
     maintainExpectedNar.reset();
 
-    worker.updateProgress();
-
     done(ecSuccess, BuildResult::Substituted);
 }
 

src/libstore/build/worker.cc

@@ -300,6 +300,19 @@ void Worker::run(const Goals & _topGoals)
             for (auto & goal : awake2) {
                 checkInterrupt();
                 goal->work();
+
+                actDerivations.progress(
+                    doneBuilds, expectedBuilds + doneBuilds, runningBuilds, failedBuilds
+                );
+                actSubstitutions.progress(
+                    doneSubstitutions,
+                    expectedSubstitutions + doneSubstitutions,
+                    runningSubstitutions,
+                    failedSubstitutions
+                );
+                act.setExpected(actFileTransfer, expectedDownloadSize + doneDownloadSize);
+                act.setExpected(actCopyPath, expectedNarSize + doneNarSize);
+
                 if (topGoals.empty()) break; // stuff may have been cancelled
             }
         }

src/libstore/build/worker.hh

@@ -281,14 +281,6 @@ public:
     bool pathContentsGood(const StorePath & path);
 
     void markContentsGood(const StorePath & path);
-
-    void updateProgress()
-    {
-        actDerivations.progress(doneBuilds, expectedBuilds + doneBuilds, runningBuilds, failedBuilds);
-        actSubstitutions.progress(doneSubstitutions, expectedSubstitutions + doneSubstitutions, runningSubstitutions, failedSubstitutions);
-        act.setExpected(actFileTransfer, expectedDownloadSize + doneDownloadSize);
-        act.setExpected(actCopyPath, expectedNarSize + doneNarSize);
-    }
 };
 
 }