feat: nbgv segment

resolves #777

src/segment.go

@@ -116,6 +116,8 @@ const (
 	Crystal SegmentType = "crystal"
 	// Dart writes the active dart version
 	Dart SegmentType = "dart"
+	// Nbgv writes the nbgv version information
+	Nbgv SegmentType = "nbgv"
 )
 
 func (segment *Segment) string() string {
@@ -245,6 +247,7 @@ func (segment *Segment) mapSegmentWithWriter(env environmentInfo) error {
 		AZFunc:        &azfunc{},
 		Crystal:       &crystal{},
 		Dart:          &dart{},
+		Nbgv:          &nbgv{},
 	}
 	if writer, ok := functions[segment.Type]; ok {
 		props := &properties{

src/segment_nbgv.go

@@ -0,0 +1,41 @@
+package main
+
+type nbgv struct {
+	props *properties
+	env   environmentInfo
+	Nbgv  *VersionInfo
+}
+
+type VersionInfo struct {
+	VersionFileFound             bool `json:"VersionFileFound"`
+	Version                      bool `json:"Version"`
+	AssemblyVersion              bool `json:"AssemblyVersion"`
+	AssemblyInformationalVersion bool `json:"AssemblyInformationalVersion"`
+	NuGetPackageVersion          bool `json:"NuGetPackageVersion"`
+	ChocolateyPackageVersion     bool `json:"ChocolateyPackageVersion"`
+	NpmPackageVersion            bool `json:"NpmPackageVersion"`
+	SimpleVersion                bool `json:"SimpleVersion"`
+}
+
+func (n *nbgv) enabled() bool {
+	return true
+}
+
+func (n *nbgv) string() string {
+	segmentTemplate := n.props.getString(SegmentTemplate, "{{ .Nbgv.Version }}")
+	template := &textTemplate{
+		Template: segmentTemplate,
+		Context:  n,
+		Env:      n.env,
+	}
+	text, err := template.render()
+	if err != nil {
+		return err.Error()
+	}
+	return text
+}
+
+func (n *nbgv) init(props *properties, env environmentInfo) {
+	n.props = props
+	n.env = env
+}