snack/snap/capabilities.go

package snap

import (
	"context"

	"github.com/gogrlx/snack"
)

// Compile-time interface checks.
var _ snack.VersionQuerier = (*Snap)(nil)

// LatestVersion returns the latest stable version of a snap.
func (s *Snap) LatestVersion(ctx context.Context, pkg string) (string, error) {
	return latestVersion(ctx, pkg)
}

// ListUpgrades returns snaps that have newer versions available.
func (s *Snap) ListUpgrades(ctx context.Context) ([]snack.Package, error) {
	return listUpgrades(ctx)
}

// UpgradeAvailable reports whether a newer version is available.
func (s *Snap) UpgradeAvailable(ctx context.Context, pkg string) (bool, error) {
	return upgradeAvailable(ctx, pkg)
}

// VersionCmp compares two version strings.
func (s *Snap) VersionCmp(ctx context.Context, ver1, ver2 string) (int, error) {
	return versionCmp(ctx, ver1, ver2)
}