The first build of a module a merge adds on the operator's Approve passes the guard of a build through a verb on the warrant it checked (issue 1146, AC9)

cmd/mesh-controller/first_builds.go

@@ -76,7 +76,16 @@ func askFirstBuilds(ctx context.Context, inv *inventory.Inventory, m link.Source
 	}
 	fmt.Printf("%s merged into %s (%.8s) on the operator's Approve (%s): the mesh builds nothing from it yet, so the "+
 		"first build of %s is asked\n", repository, m.Base, m.Commit, why, strings.Join(added, ", "))
-	askBuilds(ctx, inv, m, buildSource{Repository: repository, Seat: gitSeat}, added)
+	// The ask carries the warrant just checked, for this repository and these module paths alone: the guard of a build
+	// through a verb (verbMayAsk) lets exactly that through.
+	paths := make([]string, 0, len(added))
+	for _, dir := range added {
+		if dir == "." {
+			dir = ""
+		}
+		paths = append(paths, dir)
+	}
+	askBuilds(withFirstBuildWarrant(ctx, repository, paths, why), inv, m, buildSource{Repository: repository, Seat: gitSeat}, added)
 	// Answered: it no longer waits, so the word's arrival again asks nothing twice.
 	return inv.AnswerMerge(ctx, repository, m.Commit, inventory.WaitingRecord, false)
 }