Add buildQueued plugin hook

src/lib/Hydra/Plugin.pm

@@ -20,6 +20,11 @@ sub instantiate {
     return @$plugins;
 }
 
+# Called when build $build has been queued.
+sub buildQueued {
+    my ($self, $build) = @_;
+}
+
 # Called when build $build has started.
 sub buildStarted {
     my ($self, $build) = @_;

src/lib/Hydra/Plugin/GithubStatus.pm

@@ -69,6 +69,10 @@ sub common {
     }
 }
 
+sub buildQueued {
+    common(@_, [], 0);
+}
+
 sub buildStarted {
     common(@_, [], 0);
 }

src/script/hydra-eval-jobset

@@ -471,6 +471,7 @@ sub checkBuild {
         print STDERR "added build ${\$build->id} (${\$jobset->project->name}:${\$jobset->name}:$jobName)\n";
     });
 
+    system("hydra-notify build-queued " . $build->id) if defined $buildMap->{$build->id} && $buildMap->{$build->id}->{new};
     return $build;
 };
 

src/script/hydra-notify

@@ -42,6 +42,15 @@ if ($cmd eq "build-finished") {
     }
 }
 
+elsif ($cmd eq "build-queued") {
+    foreach my $plugin (@plugins) {
+        eval { $plugin->buildQueued($build); };
+        if ($@) {
+            print STDERR "$plugin->buildQueued: $@\n";
+        }
+    }
+}
+
 elsif ($cmd eq "build-started") {
     foreach my $plugin (@plugins) {
         eval { $plugin->buildStarted($build); };