Make it easy to build without Stripe

main.go

@@ -3,9 +3,11 @@ package main
 import (
 	"fmt"
 	"github.com/urfave/cli/v2"
+	"go/build"
 	"heckel.io/ntfy/v2/cmd"
 	"os"
 	"runtime"
+	"strings"
 )
 
 var (
@@ -15,16 +17,7 @@ var (
 )
 
 func main() {
-	cli.AppHelpTemplate += fmt.Sprintf(`
-Try 'ntfy COMMAND --help' or https://ntfy.sh/docs/ for more information.
-
-To report a bug, open an issue on GitHub: https://github.com/binwiederhier/ntfy/issues.
-If you want to chat, simply join the Discord server (https://discord.gg/cT7ECsZj9w), or
-the Matrix room (https://matrix.to/#/#ntfy:matrix.org).
-
-ntfy %s (%s), runtime %s, built at %s
-Copyright (C) Philipp C. Heckel, licensed under Apache License 2.0 & GPLv2
-`, version, commit[:7], runtime.Version(), date)
+	cli.AppHelpTemplate += buildHelp()
 
 	app := cmd.New()
 	app.Version = version
@@ -34,3 +27,23 @@ Copyright (C) Philipp C. Heckel, licensed under Apache License 2.0 & GPLv2
 		os.Exit(1)
 	}
 }
+
+func buildHelp() string {
+	if len(commit) > 7 {
+		commit = commit[:7]
+	}
+	var tags string
+	if len(build.Default.BuildTags) > 0 {
+		tags = ", with tags " + strings.Join(build.Default.BuildTags, ", ")
+	}
+	return fmt.Sprintf(`
+Try 'ntfy COMMAND --help' or https://ntfy.sh/docs/ for more information.
+
+To report a bug, open an issue on GitHub: https://github.com/binwiederhier/ntfy/issues.
+If you want to chat, simply join the Discord server (https://discord.gg/cT7ECsZj9w), or
+the Matrix room (https://matrix.to/#/#ntfy:matrix.org).
+
+ntfy %s (%s), runtime %s, built at %s%s
+Copyright (C) Philipp C. Heckel, licensed under Apache License 2.0 & GPLv2
+`, version, commit, runtime.Version(), date, tags)
+}