go-update/build/main.go

package main

import (
	"encoding/json"
	"fmt"

	coreio "forge.lthn.ai/core/go-io"
)

func main() {
	// Read package.json
	data, err := coreio.Read(coreio.Local, "package.json")
	if err != nil {
		fmt.Println("Error reading package.json, skipping version file generation.")
		return
	}

	// Parse package.json
	var pkg struct {
		Version string `json:"version"`
	}
	if err := json.Unmarshal([]byte(data), &pkg); err != nil {
		fmt.Println("Error parsing package.json, skipping version file generation.")
		return
	}

	// Create the version file
	content := fmt.Sprintf("package updater\n\n// Generated by go:generate. DO NOT EDIT.\n\nconst PkgVersion = %q\n", pkg.Version)
	err = coreio.Write(coreio.Local, "version.go", content)
	if err != nil {
		fmt.Printf("Error writing version file: %v\n", err)
		return
	}

	fmt.Println("Generated version.go with version:", pkg.Version)
}