improve version display start message

.air.toml

@@ -21,7 +21,7 @@ tmp_dir = "tmp"
   poll = false
   poll_interval = 0
   post_cmd = []
-  pre_cmd = ["echo 'dev' > handlers/VERSION echo 'dev' > cmd/VERSION"]
+  pre_cmd = ["git rev-parse --short HEAD > handlers/VERSION; git rev-parse --short HEAD > cmd/VERSION"]
   rerun = false
   rerun_delay = 500
   send_interrupt = false

cmd/main.go

@@ -189,6 +189,6 @@ func main() {
 
 	app.All("/*", handlers.NewProxySiteHandler(proxyOpts))
 
-	fmt.Println(cli.StartupMessage("1.0.0", *port, *ruleset))
+	fmt.Println(cli.StartupMessage(version, *port, *ruleset))
 	log.Fatal(app.Listen(":" + *port))
 }

internal/cli/art.go

@@ -1,6 +1,9 @@
 package cli
 
-import "fmt"
+import (
+	"fmt"
+	"strings"
+)
 
 var art string = `
  _____╬═╬____________________________________________
@@ -10,21 +13,30 @@ var art string = `
  |___|╬═╬|___██▪  ▄█▀▀█ ▐█· ▐█▌▐█· ▐█▌▐▀▀▪▄▐▀▀▄ __|_|
  |_|__╬═╬___|▐█▌▐▌▐█ ▪▐▌██. ██ ██. ██ ▐█▄▄▌▐█•█▌|___|
  |___|╬═╬|___.▀▀▀  ▀  ▀ ▀▀▀▀▀• ▀▀▀▀▀•  ▀▀▀ .▀  ▀__|_|
- |_|__╬═╬___|___|___|__ VERSION %s __|___|___|___|
+ |_|__╬═╬___|___|___|_ VERSION %-7s__|___|___|___|
  |___|╬═╬|____|___|___|___|___|___|___|___|___|___|_|
+      ╬═╬
+      ╬═╬          %s
  `
 
 func StartupMessage(version string, port string, ruleset string) string {
-	buf := fmt.Sprintf(art, version)
-	buf += fmt.Sprintf("\n > listening on http://localhost:%s\n", port)
+	version = strings.Trim(version, " ")
+	version = strings.Trim(version, "\n")
+	link := createHyperlink("http://localhost:" + port)
+	buf := fmt.Sprintf(art, version, link)
 	if ruleset == "" {
-		buf += " ! no ruleset specified.\n > for better performance, use a ruleset using --ruleset\n"
+		buf += "\n ! no ruleset specified.\n > for better performance, use a ruleset using --ruleset\n"
 	} else {
-		buf += fmt.Sprintf(" > using ruleset: %s\n", ruleset)
+		buf += fmt.Sprintf("\n > using ruleset: %s\n", ruleset)
 	}
 	return colorizeNonASCII(buf)
 }
 
+func createHyperlink(url string) string {
+	//return fmt.Sprintf("\033]8;;%s\a%s\033]8;;\a", url, url)
+	return fmt.Sprintf("\033[4m%s\033[0m", url)
+}
+
 func colorizeNonASCII(input string) string {
 	result := ""
 	for _, r := range input {