fix build-deps outputting stuff we need to build

scripts/build-deps.ts

@@ -32,13 +32,20 @@ const get_deps = async (pkg: Package | PackageRequirement) => {
   }
 }
 
-const rv: PackageRequirement[] = []
+const bootstrap_required = new Set<string>()
+const set = new Set<string>()
+let rv: PackageRequirement[] = []
 for await (const pkg of ARGV.pkgs()) {
   const deps = await get_deps(pkg)
   const wet = await hydrate(deps)
   rv.push(...wet.pkgs)
+  set.add(pkg.project)
+  wet.bootstrap_required.forEach(x => bootstrap_required.add(x))
 }
 
+// we don’t want to pre-install packages we intend to build
+rv = rv.filter(({ project }) => !set.has(project) || bootstrap_required.has(project))
+
 const gas = rv.map(pkg.str)
 
 if (Deno.env.get("GITHUB_ACTIONS")) {