ci noodling

Signed-off-by: oppiliappan <[e-mail]>

.tangled/workflows/test.yml

···
 when:
   - event: ["push", "pull_request"]
-    branch: master
+    branch: ["master","ci"]
 
 engine: nixery
 
···
 
   - name: run gomod2nix
     command: |
-      HOME=$(mktemp -d)
-      echo $HOME
+      # this var is overridden by the env setup otherwise
+      export HOME=/tmp/build-home
+      mkdir -p $HOME
+      rm -rf /homeless-shelter || true
       nix run .#gomod2nix
 
   - name: verify no changes

spindle/engine/engine.go

···
 		l.Info("using workflow timeout", "timeout", workflowTimeout)
 
 		for _, w := range wfs {
-			wg.Add(1)
-			go func() {
-				defer wg.Done()
-
+			wg.Go(func() {
 				wid := models.WorkflowId{
 					PipelineId: pipelineId,
 					Name:       w.Name,
···
 				if err != nil {
 					l.Error("failed to set workflow status to success", "wid", wid, "err", err)
 				}
-			}()
+			})
 		}
 	}