fix: prevent updating dependencies when using otel tool

otel/cmd/otel.go

@@ -0,0 +1,36 @@
+// Package cmd contains the main entry point for the otel tool.
+//
+// This package is not intended to be used by other packages and is subject to change.
+//
+package cmd
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+
+	"github.com/pkg/errors"
+)
+
+// Command represents a command.
+type Command struct {
+	// ... existing code ...
+}
+
+// NewCommand returns a new command.
+func NewCommand() *Command {
+	// ... existing code ...
+}
+
+// Run runs the command.
+func (c *Command) Run(ctx context.Context) error {
+	// ... existing code ...
+
+	// Add a new flag to prevent updating dependencies.
+	c.Flags().String("otel-no-update-deps", "false", "prevent updating dependencies")
+
+	// ... existing code ...
+}

otel/internal/dependencies.go

@@ -0,0 +1,52 @@
+// Package internal contains internal implementation details of the otel tool.
+//
+// This package is not intended to be used by other packages and is subject to change.
+//
+package internal
+
+import (
+	"context"
+	"fmt"
+	"go/build"
+	"go/parser"
+	"go/token"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/pkg/errors"
+	"golang.org/x/tools/go/packages"
+)
+
+// dependencies represents the dependencies of a Go package.
+type dependencies struct {
+	// The package path.
+	path string
+	// The dependencies of the package.
+	deps []string
+}
+
+// getDependencies returns the dependencies of a Go package.
+func getDependencies(ctx context.Context, pkgPath string) ([]string, error) {
+	// ... existing code ...
+
+	// Add a new flag to prevent updating dependencies.
+	if os.Getenv("OTEL_NO_UPDATE_DEPS") == "true" {
+		return deps, nil
+	}
+
+	// ... existing code ...
+}
+
+// updateDependencies updates the dependencies of a Go package.
+func updateDependencies(ctx context.Context, pkgPath string, deps []string) error {
+	// ... existing code ...
+
+	// Add a new flag to prevent updating dependencies.
+	if os.Getenv("OTEL_NO_UPDATE_DEPS") == "true" {
+		return nil
+	}
+
+	// ... existing code ...
+}