From ed04ccd8e2297458ec97381806a05dea13090f0f Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Thu, 7 May 2026 09:47:05 +0300
Subject: update docs and ascii banner

---
 internal/flags/flags.go   |  4 ++++
 internal/flags/version.go | 13 ++++++++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

(limited to 'internal/flags')

diff --git a/internal/flags/flags.go b/internal/flags/flags.go
index 9b1c3cf..5d00b74 100644
--- a/internal/flags/flags.go
+++ b/internal/flags/flags.go
@@ -42,6 +42,9 @@ type Config struct {
 	CollapsedFields  []string
 	CountField       string
 	GlobalFilter     globalfilter.Filter
+
+	// ShowVersion prints the banner plus version and exits without running.
+	ShowVersion bool
 }
 
 var (
@@ -177,6 +180,7 @@ func parse() error {
 	flag.BoolVar(&cfg.TestLiveFlames, "testliveflames", false, "Run TUI with continuously-updating synthetic flamegraph data for live keyboard-navigation testing")
 	flag.DurationVar(&cfg.LiveInterval, "live-interval", cfg.LiveInterval, "Synthetic live flamegraph refresh interval for --testliveflames")
 	flag.BoolVar(&cfg.TUIExportEnable, "tuiExport", cfg.TUIExportEnable, "Enable TUI CSV snapshot export files (separate from Parquet recording)")
+	flag.BoolVar(&cfg.ShowVersion, "version", false, "Print version banner and exit")
 	fields := flag.String("fields", "",
 		fmt.Sprintf("Comma separated list of fields to collapse, valid are: %v", validFields))
 	flag.StringVar(&cfg.CountField, "count", cfg.CountField,
diff --git a/internal/flags/version.go b/internal/flags/version.go
index 3db0b9f..583d19b 100644
--- a/internal/flags/version.go
+++ b/internal/flags/version.go
@@ -5,11 +5,14 @@ import "fmt"
 // Version is the current application version.
 const Version = "v0.0.1"
 
-const asciiBannerTemplate = ` ___   _____    ___ _     _
-|_ _| / / _ \  | _ (_)___| |_ 
- | | / / (_) | |   / / _ \  _|
-|___/_/ \___/  |_|_\_\___/\__| NG
-               %s`
+const asciiBannerTemplate = ` ██╗    ██╗  ██████╗     ██████╗  ██╗  ██████╗  ████████╗
+ ██║   ██╔╝ ██╔═══██╗    ██╔══██╗ ██║ ██╔═══██╗ ╚══██╔══╝
+ ██║  ██╔╝  ██║   ██║    ██████╔╝ ██║ ██║   ██║    ██║   
+ ██║ ██╔╝   ██║   ██║    ██╔══██╗ ██║ ██║   ██║    ██║   
+ ██║██╔╝    ╚██████╔╝    ██║  ██║ ██║ ╚██████╔╝    ██║   
+ ╚═╝╚═╝      ╚═════╝     ╚═╝  ╚═╝ ╚═╝  ╚═════╝     ╚═╝   
+       ⚡ Next-Generation BPF I/O Syscall Tracer ⚡
+                          %s`
 
 // PrintVersion prints the banner with the current version.
 func PrintVersion() {
-- 
cgit v1.2.3