Function relToAny

utils/grpc.go:234–243

relToAny returns an import-style path (forward slashes) for abs under any root; "" if none match.

(abs string, roots []string)

// relToAny returns an import-style path (forward slashes) for abs under any root; "" if none match.
func relToAny(abs string, roots []string) string {
	abs = filepath.Clean(abs)
	for _, r := range roots {
		r = filepath.Clean(r)
		if rel, err := filepath.Rel(r, abs); err == nil && !strings.HasPrefix(rel, "..") && !strings.HasPrefix(filepath.ToSlash(rel), "../") {
			return filepath.ToSlash(rel)
		}
	}
	return ""
}

// deriveProtoDirFromPath extracts the package from a gRPC path and searches protoInclude roots
// for a matching directory. This enables automatic proto directory resolution for multi-service