[WIP] v0.7.0

pkg/pkgman/pkgcommon/options.go

@@ -2,3 +2,16 @@ package pkgcommon
 
 // PackageManagerOption defines a functional option for configuring a PackageManager.
 type PackageManagerOption func(interface{})
+
+// PackageParser defines an interface for parsing package version information.
+type PackageParser interface {
+	Parse(output string) (*PackageVersion, error)
+}
+
+// PackageVersion represents the installed and candidate versions of a package.
+type PackageVersion struct {
+	Installed string
+	Candidate string
+	Match     bool
+	Message   string
+}