nixbld: Hydra sysbuild patch merged upstream

https://github.com/NixOS/hydra/issues/784

nixbld-etc-nixos/configuration.nix

@@ -447,7 +447,6 @@ in
     hydra-unstable = super.hydra-unstable.overrideAttrs(oa: {
       patches = oa.patches or [] ++ [
         ./hydra-conda.patch
-        ./hydra-unbreak-sysbuild.patch
         ./hydra-restrictdist.patch
         ./hydra-giteastatus.patch
       ];

nixbld-etc-nixos/hydra-unbreak-sysbuild.patch

@@ -1,25 +0,0 @@
-diff --git a/src/lib/Hydra/Schema/Builds.pm b/src/lib/Hydra/Schema/Builds.pm
-index d4334300..014d07ce 100644
---- a/src/lib/Hydra/Schema/Builds.pm
-+++ b/src/lib/Hydra/Schema/Builds.pm
-@@ -608,6 +608,7 @@ makeQueries('', "");
- makeQueries('ForProject', "and project = ?");
- makeQueries('ForJobset', "and jobset_id = ?");
- makeQueries('ForJob', "and jobset_id = ? and job = ?");
-+makeQueries('ForJobName', "and jobset_id = (select id from jobsets j where j.name = ?) and job = ?");
- 
- 
- my %hint = (
-diff --git a/src/script/hydra-eval-jobset b/src/script/hydra-eval-jobset
-index ea336bfc..2f208418 100755
---- a/src/script/hydra-eval-jobset
-+++ b/src/script/hydra-eval-jobset
-@@ -142,7 +142,7 @@ sub fetchInputSystemBuild {
-     $projectName ||= $project->name;
-     $jobsetName ||= $jobset->name;
- 
--    my @latestBuilds = $db->resultset('LatestSucceededForJob')
-+    my @latestBuilds = $db->resultset('LatestSucceededForJobName')
-         ->search({}, {bind => [$jobsetName, $jobName]});
- 
-     my @validBuilds = ();