chore: Add the version of the Argo CD dependency to version output

internal/version/version.go

@@ -17,63 +17,103 @@ package version
 import (
 	"encoding/json"
 	"runtime"
+	"runtime/debug"
+	"time"
 
 	"gopkg.in/yaml.v3"
 )
 
 var version = "99.9.9-unreleased"
 var gitRevision = "unknown"
 var gitStatus = "unknown"
+var buildDate = time.Now().Format(time.RFC3339)
 
+// versionInformation represents the version information of the argocd-agent.
 type versionInformation struct {
-	Name        string `json:"name"`
-	Component   string `json:"component"`
-	Version     string `json:"version"`
+	// Name is the name of the argocd-agent.
+	Name string `json:"name"`
+	// Component is the component of the argocd-agent.
+	Component string `json:"component"`
+	// Version is the version of the argocd-agent.
+	Version string `json:"version"`
+	// GitRevision is the git revision of the argocd-agent.
 	GitRevision string `json:"gitRevision" yaml:"gitRevision"`
-	GitStatus   string `json:"gitStatus" yaml:"gitStatus"`
-	GoVersion   string `json:"goVersion" yaml:"goVersion"`
+	// GitStatus is the git status of the argocd-agent.
+	GitStatus string `json:"gitStatus" yaml:"gitStatus"`
+	// GoVersion is the go version of the argocd-agent.
+	GoVersion string `json:"goVersion" yaml:"goVersion"`
+	// BuildDate is the build date of the argocd-agent.
+	BuildDate string `json:"buildDate" yaml:"buildDate"`
+	// ArgoCDVersion is the version of the argocd-agent's dependency on argocd.
+	ArgoCDVersion string `json:"argocdVersion" yaml:"argocdVersion"`
 }
 
+// Version represents the version of the argocd-agent.
 type Version struct {
 	v versionInformation
 }
 
+// New returns a new Version object.
 func New(name, component string) *Version {
 	v := versionInformation{
-		Name:        name,
-		Component:   component,
-		Version:     version,
-		GitRevision: gitRevision,
-		GitStatus:   gitStatus,
-		GoVersion:   runtime.Version(),
+		Name:          name,
+		Component:     component,
+		Version:       version,
+		GitRevision:   gitRevision,
+		GitStatus:     gitStatus,
+		GoVersion:     runtime.Version(),
+		BuildDate:     buildDate,
+		ArgoCDVersion: getArgoCDVersion(),
 	}
 	return &Version{v: v}
 }
 
+// QualifiedVersion returns the qualified version of the argocd-agent.
 func (v *Version) QualifiedVersion() string {
 	return v.v.Name + "-" + v.v.Version
 }
 
+// Version returns the version of the argocd-agent.
 func (v *Version) Version() string {
 	return version
 }
 
+// Name returns the name of the argocd-agent.
 func (v *Version) Name() string {
 	return v.v.Name
 }
 
+// Component returns the component of the argocd-agent
 func (v *Version) Component() string {
 	return v.v.Component
 }
 
+// GitRevision returns the git revision of the argocd-agent.
 func (v *Version) GitRevision() string {
 	return v.v.GitRevision
 }
 
+// GitStatus returns the git status of the argocd-agent.
+
 func (v *Version) GitStatus() string {
 	return v.v.GitStatus
 }
 
+// getArgoCDVersion returns the version of the argocd-agent's dependency on argocd.
+func getArgoCDVersion() string {
+	buildInfo, ok := debug.ReadBuildInfo()
+	if !ok {
+		return "unknown"
+	}
+	for _, dep := range buildInfo.Deps {
+		if dep.Path == "github.com/argoproj/argo-cd/v2" {
+			return dep.Version
+		}
+	}
+	return "unknown"
+}
+
+// YAML returns the version information of the argocd-agent in YAML format.
 func (v *Version) YAML() string {
 	b, err := yaml.Marshal(v.v)
 	if err != nil {
@@ -82,6 +122,7 @@ func (v *Version) YAML() string {
 	return string(b)
 }
 
+// JSON returns the version information of the argocd-agent in JSON format.
 func (v *Version) JSON(indent bool) string {
 	var b []byte
 	var err error