feat: version handling

cmd/cairde/main.go

@@ -16,10 +16,24 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 )
 
-const (
+var (
+	// Version is the current version of Cairde (LDFLAGS).
+	Version string
+
+	// Commit is the current git commit of Cairde (LDFLAGS).
+	Commit string
+
+	// help is the command-line help output.
 	help = `cairde [options]
 
-A terminal client for metadata resistant messaging built on the Cwtch protocol.
+   _________    ________  ____  ______
+  / ____/   |  /  _/ __ \/ __ \/ ____/
+ / /   / /| |  / // /_/ / / / / __/
+/ /___/ ___ |_/ // _, _/ /_/ / /___
+\____/_/  |_/___/_/ |_/_____/_____/
+
+  Metadata resistant messaging
+    %s
 
 Options:
   -a    turn on the Tor ACN immediately
@@ -30,6 +44,14 @@ Options:
 )
 
 func main() {
+	if Version == "" {
+		Version = "pre-alpha"
+	}
+	if Commit == "" {
+		Commit = "       "
+	}
+	cairdeVersion := fmt.Sprintf("%s commit %s", Version, Commit[:7])
+
 	var (
 		acnFlag     bool
 		debugFlag   bool
@@ -44,39 +66,44 @@ func main() {
 	flag.Parse()
 
 	if helpFlag {
-		fmt.Print(help)
+		fmt.Print(fmt.Sprintf(help, cairdeVersion))
 		os.Exit(0)
 	}
 
 	if versionFlag {
-		fmt.Print("cairde pre-alpha v0.1.0") // TODO
+		fmt.Printf("%s\n", cairdeVersion)
 		os.Exit(0)
 	}
 
 	// NOTE(d1): pending https://git.coopcloud.tech/decentral1se/cairde/issues/1
 	_, err := exec.LookPath("tor")
 	if err != nil {
-		log.Fatal("could not find 'tor' command, is it installed?")
+		log.Fatal("main: could not find 'tor' command, is it installed?")
 	}
 
-	f, err := tea.LogToFile("cairde.log", "debug")
+	f, err := tea.LogToFile("cairde.log", "debug") // TODO
 	if err != nil {
 		log.Fatal(err)
 	}
 	defer f.Close()
 
-	filelogger, err := openPrivacyLog.NewFile(openPrivacyLog.LevelInfo, "cwtch.log")
+	filelogger, err := openPrivacyLog.NewFile(openPrivacyLog.LevelInfo, "cwtch.log") // TODO
 	if err == nil {
 		openPrivacyLog.SetStd(filelogger)
 	}
 
 	user, err := user.Current()
 	if err != nil {
-		log.Fatalf("unable to determine current user: %s", err)
+		log.Fatalf("main: unable to determine current user: %s", err)
 	}
 
 	p := tea.NewProgram(
-		ui.NewModel(user.Username, user.HomeDir, debugFlag),
+		ui.NewModel(
+			user.Username,
+			user.HomeDir,
+			cairdeVersion,
+			debugFlag,
+		),
 		tea.WithAltScreen(),
 		tea.WithMouseAllMotion(),
 	)

makefile

@@ -1,3 +1,7 @@
+COMMIT       := $(shell git rev-list -1 HEAD)
+LDFLAGS      := "-X 'main.Commit=$(COMMIT)'"
+DIST_LDFLAGS := $(LDFLAGS)" -s -w"
+
 .PHONY: format check clean build run loc test
 
 DEFAULT: run
@@ -16,7 +20,7 @@ clean:
 	@find -type f -name "*.log" -exec rm '{}' \;
 
 build: clean
-	@go build -ldflags="-s -w" -v ./cmd/cairde
+	@go build -ldflags=$(DIST_LDFLAGS) ./cmd/cairde
 
 run: build
 	@./cairde

ui/model.go

@@ -17,7 +17,7 @@ import (
 	"github.com/charmbracelet/lipgloss"
 )
 
-const (
+var (
 	welcomeMessage = `
    _________    ________  ____  ______
   / ____/   |  /  _/ __ \/ __ \/ ____/
@@ -26,7 +26,7 @@ const (
 \____/_/  |_/___/_/ |_/_____/_____/
 
   Metadata resistant messaging
-       Pre-alpha v0.1.0
+    %s
 
 Run /start for the getting started guide.
 Run /help to see all available commands.`
@@ -82,12 +82,14 @@ type model struct {
 	input       textinput.Model
 	hiddenInput string
 
+	version string
+
 	statusBuffer chan string
 
 	debug bool
 }
 
-func NewModel(username, homeDir string, debug bool) model { // nolint:revive
+func NewModel(username, homeDir, version string, debug bool) model { // nolint:revive
 	input := textinput.New()
 	input.Prompt = "> "
 	input.PromptStyle = inputPromptStyle
@@ -107,6 +109,8 @@ func NewModel(username, homeDir string, debug bool) model { // nolint:revive
 
 		input: input,
 
+		version: version,
+
 		statusBuffer: make(chan string),
 
 		showWelcomeMessage: true,
@@ -195,8 +199,9 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	}
 
 	if m.showWelcomeMessage {
+		withVersion := fmt.Sprintf(welcomeMessage, m.version)
 		cmds = append(cmds, m.sendStatusCmd(
-			strings.Split(welcomeMessage, "\n")...,
+			strings.Split(withVersion, "\n")...,
 		))
 		m.showWelcomeMessage = false
 	}