From 5a829683459011f6f0f6c53b9f3bf7601b2d6468 Mon Sep 17 00:00:00 2001
From: shaj13 <hajsanad@gmail.com>
Date: Sun, 5 Apr 2026 15:55:59 +0000
Subject: [PATCH] rag/treesitter: add nocgo build support

Allow building without CGO for applications that do not use RAG.
DocumentProcessor returns an error when built without CGO and RAG is used.
---
 pkg/rag/treesitter/treesitter.go       |  2 ++
 pkg/rag/treesitter/treesitter_nocgo.go | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 pkg/rag/treesitter/treesitter_nocgo.go

diff --git a/pkg/rag/treesitter/treesitter.go b/pkg/rag/treesitter/treesitter.go
index cb7d6d82e..02dc26830 100644
--- a/pkg/rag/treesitter/treesitter.go
+++ b/pkg/rag/treesitter/treesitter.go
@@ -1,3 +1,5 @@
+//go:build cgo
+
 package treesitter
 
 import (
diff --git a/pkg/rag/treesitter/treesitter_nocgo.go b/pkg/rag/treesitter/treesitter_nocgo.go
new file mode 100644
index 000000000..1dacaa937
--- /dev/null
+++ b/pkg/rag/treesitter/treesitter_nocgo.go
@@ -0,0 +1,24 @@
+//go:build !cgo
+
+package treesitter
+
+import (
+	"errors"
+
+	"github.com/docker/docker-agent/pkg/rag/chunk"
+)
+
+// DocumentProcessor implements chunk.DocumentProcessor and always returns an
+// error when the application is built without CGO and uses RAG. For applications
+// that do not use RAG, this allows building without any CGO requirement.
+type DocumentProcessor struct{}
+
+// NewDocumentProcessor creates a new DocumentProcessor.
+func NewDocumentProcessor(_, _ int, _ bool) *DocumentProcessor {
+	return &DocumentProcessor{}
+}
+
+// Process implements chunk.DocumentProcessor.
+func (p *DocumentProcessor) Process(_ string, _ []byte) ([]chunk.Chunk, error) {
+	return nil, errors.New("rag/treesitter: document processor must be built with CGO_ENABLED=1")
+}