Initial project scaffolding

- main.go: CLI entry point with flag parsing
- gitignore.go: .gitignore loading and parsing
- sync.go: initial sync with manifest tracking
- watcher.go: fsnotify-based file watcher with debouncing
- Dockerfile: multi-stage build for Alpine runtime

1 files changed, 22 insertions, 0 deletions

diff --git a/gitignore.go b/gitignore.go
new file mode 100644
index 0000000..f6816bd
--- /dev/null
+++ b/gitignore.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+
+	ignore "github.com/sabhiram/go-gitignore"
+)
+
+func loadGitignore(hostDir string) (*ignore.GitIgnore, error) {
+	gitignorePath := filepath.Join(hostDir, ".gitignore")
+
+	data, err := os.ReadFile(gitignorePath)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return ignore.CompileIgnoreLines(), nil
+		}
+		return nil, err
+	}
+
+	return ignore.CompileIgnoreLines(string(data)), nil
+}