Show the current version on the lower left corner in the status bar (#116)

<img width="1377" height="919" alt="Screenshot 2025-09-05 at 17 29 59"
src="https://github.com/user-attachments/assets/8aef38e8-38ed-413e-99ff-a840e09b7e98"
/>

Signed-off-by: Djordje Lukic <[email protected]>

Author: rumpl

Taskfile.yml

@@ -12,7 +12,7 @@ vars:
     sh: date -u +"%Y-%m-%dT%H:%M:%SZ"
   GO_SOURCES: "**/*.go"
   BUILD_ARGS: '--build-arg GIT_TAG="{{.GIT_TAG}}" --build-arg GIT_COMMIT="{{.GIT_COMMIT}}" --build-arg BUILD_DATE="{{.BUILD_DATE}}" --build-arg TELEMETRY_ENDPOINT="{{.TELEMETRY_ENDPOINT}}" --build-arg TELEMETRY_API_KEY="{{.TELEMETRY_API_KEY}}" --build-arg TELEMETRY_HEADER="{{.TELEMETRY_HEADER}}"'
-  LDFLAGS: '-X "github.com/docker/cagent/cmd/root.Version={{.GIT_TAG}}" -X "github.com/docker/cagent/cmd/root.Commit={{.GIT_COMMIT}}" -X "github.com/docker/cagent/cmd/root.BuildTime={{.BUILD_DATE}}" -X "github.com/docker/cagent/internal/telemetry.TelemetryEndpoint={{.TELEMETRY_ENDPOINT}}" -X "github.com/docker/cagent/internal/telemetry.TelemetryAPIKey={{.TELEMETRY_API_KEY}}" -X "github.com/docker/cagent/internal/telemetry.TelemetryHeader={{.TELEMETRY_HEADER}}"'
+  LDFLAGS: '-X "github.com/docker/cagent/internal/version.Version={{.GIT_TAG}}" -X "github.com/docker/cagent/internal/version.Commit={{.GIT_COMMIT}}" -X "github.com/docker/cagent/internal/version.BuildTime={{.BUILD_DATE}}" -X "github.com/docker/cagent/internal/telemetry.TelemetryEndpoint={{.TELEMETRY_ENDPOINT}}" -X "github.com/docker/cagent/internal/telemetry.TelemetryAPIKey={{.TELEMETRY_API_KEY}}" -X "github.com/docker/cagent/internal/telemetry.TelemetryHeader={{.TELEMETRY_HEADER}}"'
 
 tasks:
   default:

cmd/root/root.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/docker/cagent/internal/config"
 	"github.com/docker/cagent/internal/telemetry"
+	"github.com/docker/cagent/internal/version"
 	"github.com/spf13/cobra"
 )
 
@@ -106,7 +107,7 @@ func NewRootCmd() *cobra.Command {
 
 func Execute() {
 	// Set the version for automatic telemetry initialization
-	telemetry.SetGlobalTelemetryVersion(Version)
+	telemetry.SetGlobalTelemetryVersion(version.Version)
 
 	// Print startup message only on first installation/setup
 	if isFirstRun() {

cmd/root/version.go

@@ -4,16 +4,10 @@ import (
 	"fmt"
 
 	"github.com/docker/cagent/internal/telemetry"
+	"github.com/docker/cagent/internal/version"
 	"github.com/spf13/cobra"
 )
 
-// version information
-var (
-	Version   = "dev"
-	BuildTime = "unknown"
-	Commit    = "unknown"
-)
-
 // NewVersionCmd creates a new version command
 func NewVersionCmd() *cobra.Command {
 	return &cobra.Command{
@@ -24,9 +18,9 @@ func NewVersionCmd() *cobra.Command {
 			// Track the version command
 			telemetry.TrackCommand("version", args)
 
-			fmt.Printf("cagent version %s\n", Version)
-			fmt.Printf("Build time: %s\n", BuildTime)
-			fmt.Printf("Commit: %s\n", Commit)
+			fmt.Printf("cagent version %s\n", version.Version)
+			fmt.Printf("Build time: %s\n", version.BuildTime)
+			fmt.Printf("Commit: %s\n", version.Commit)
 		},
 	}
 }

internal/tui/components/statusbar/statusbar.go

@@ -4,8 +4,10 @@ import (
 	"strings"
 
 	"github.com/charmbracelet/bubbles/v2/key"
+	"github.com/charmbracelet/lipgloss/v2"
 	"github.com/docker/cagent/internal/tui/core"
 	"github.com/docker/cagent/internal/tui/styles"
+	"github.com/docker/cagent/internal/version"
 )
 
 // StatusBar represents the status bar component that displays key bindings help
@@ -47,27 +49,41 @@ func (s *StatusBar) formatHelpString(bindings []key.Binding) string {
 
 // View renders the status bar
 func (s *StatusBar) View() string {
-	if s.help == nil {
-		return ""
-	}
+	versionText := styles.MutedStyle.Render(version.Version)
 
-	help := s.help.Help()
-	if help == nil {
-		return ""
+	var helpText string
+	if s.help != nil {
+		help := s.help.Help()
+		if help != nil {
+			shortcuts := help.ShortHelp()
+			if len(shortcuts) > 0 {
+				helpText = s.formatHelpString(shortcuts)
+			}
+		}
 	}
 
-	shortcuts := help.ShortHelp()
-	if len(shortcuts) == 0 {
-		return ""
+	// If no help text, just show version aligned right
+	if helpText == "" {
+		return styles.BaseStyle.
+			Width(s.width).
+			PaddingLeft(1).
+			PaddingRight(1).
+			Align(lipgloss.Right).
+			Render(versionText)
 	}
 
-	statusText := s.formatHelpString(shortcuts)
-	if statusText == "" {
-		return ""
+	helpStyled := styles.BaseStyle.PaddingLeft(1).Render(helpText)
+	versionStyled := styles.BaseStyle.PaddingRight(1).Render(versionText)
+
+	helpWidth := lipgloss.Width(helpStyled)
+	versionWidth := lipgloss.Width(versionStyled)
+	availableSpace := s.width - helpWidth - versionWidth
+
+	if availableSpace < 0 {
+		availableSpace = 1
 	}
 
-	return styles.BaseStyle.
-		Width(s.width).
-		PaddingLeft(1).
-		Render(statusText)
+	spacer := strings.Repeat(" ", availableSpace)
+
+	return helpStyled + spacer + versionStyled
 }

internal/version/version.go

@@ -0,0 +1,8 @@
+package version
+
+// version information
+var (
+	Version   = "dev"
+	BuildTime = "unknown"
+	Commit    = "unknown"
+)