simplexcalc/internal/globals/globals.go

// Package globals provides build-time variables injected via ldflags.
package globals

import (
	"runtime"

	"go.uber.org/fx"
)

// Build-time variables populated from main() and copied into the
// Globals object. main() sets them from its own ldflags-injected
// values; nothing else writes them.
//
//nolint:gochecknoglobals // Build-time variables set by main().
var (
	Appname   string
	Version   string
	Buildarch string
)

// Globals holds build-time metadata about the application.
type Globals struct {
	Appname   string
	Version   string
	Buildarch string
}

// New creates a Globals instance from the package-level build-time
// variables.
//
//nolint:revive // lc parameter is required by fx even if unused.
func New(lc fx.Lifecycle) (*Globals, error) {
	arch := Buildarch
	if arch == "" {
		arch = runtime.GOARCH
	}

	return &Globals{
		Appname:   Appname,
		Buildarch: arch,
		Version:   Version,
	}, nil
}