Adjust builder for the removal of the graph static directory

build/builder.sh

@@ -6,14 +6,14 @@ export RUBYOPT="-KU -E utf-8:utf-8"
 # Copy files to a mutable directory.
 cp -r $src/* .
 # We'll generate some static files so make static writable
-chmod -R u+w .
+chmod -R u+w static
 
 # Build site with Hugo
 hugo $hugoFlags --config=config.toml,config-gen.toml
 
 # Create generated files
 # Can't do submodules because nix flake inputs get their .git deleted
-ruby ./analyze.rb > static/graph/graph.gen.js # Graph files
+mkdir -p static/graph && ruby ./analyze.rb > static/graph/graph.gen.js # Graph files
 stork build --input public/index.toml --output static/index.st # Search index
 
 # Static folder changed, re-run Hugo