From 50bd8ef6d4f48a48f623564e6b63f346904e6421 Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Sun, 27 Jul 2025 17:14:27 +0200
Subject: Improve on debug mode

---
 main.go          | 20 +++++++++++++++-----
 src/app.go       | 16 ++++++++++++++++
 src/templates.go |  6 ++++++
 3 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 src/app.go

diff --git a/main.go b/main.go
index ff1ced3..f73567b 100644
--- a/main.go
+++ b/main.go
@@ -5,10 +5,13 @@ package main
 
 import (
 	"flag"
+	"fmt"
+	"log"
 	"os"
 	"os/signal"
 	"path/filepath"
 	"syscall"
+	"time"
 
 	"git.thomasvoss.com/euro-cash.eu/pkg/atexit"
 	. "git.thomasvoss.com/euro-cash.eu/pkg/try"
@@ -41,6 +44,17 @@ func main() {
 		"database name or ‘:memory:’ for an in-memory database")
 	flag.Parse()
 
+	defer func() {
+		if p := recover(); p != nil {
+			if *debugp {
+				log.Print(p)
+				time.Sleep(1 * time.Second)
+				app.Restart()
+			}
+			email.Send("URGENT: Server Panicked", fmt.Sprint(p))
+		}
+	}()
+
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 	go func() {
@@ -50,11 +64,7 @@ func main() {
 	}()
 
 	if *debugp {
-		path := Try2(os.Executable())
-		go watch.File(path, func() {
-			atexit.Exec()
-			Try(syscall.Exec(path, os.Args, os.Environ()))
-		})
+		go watch.File(Try2(os.Executable()), app.Restart)
 	}
 
 	i18n.Init()
diff --git a/src/app.go b/src/app.go
new file mode 100644
index 0000000..7b3d905
--- /dev/null
+++ b/src/app.go
@@ -0,0 +1,16 @@
+package app
+
+import (
+	"os"
+	"syscall"
+
+	"git.thomasvoss.com/euro-cash.eu/pkg/atexit"
+	. "git.thomasvoss.com/euro-cash.eu/pkg/try"
+)
+
+func Restart() {
+	path := Try2(os.Executable())
+	atexit.Exec()
+	Try(syscall.Exec(path, append([]string{path}, os.Args[1:]...),
+		os.Environ()))
+}
diff --git a/src/templates.go b/src/templates.go
index 20fcf79..353c755 100644
--- a/src/templates.go
+++ b/src/templates.go
@@ -46,6 +46,12 @@ func BuildTemplates(dir fs.FS, debugp bool) {
 		buildAndSetTemplate(dir, name)
 		if debugp {
 			go watch.FileFS(dir, name, func() {
+				defer func() {
+					if p := recover(); p != nil {
+						log.Print(p)
+					}
+				}()
+
 				buildAndSetTemplate(dir, name)
 				log.Printf("Template ‘%s’ updated\n", name)
 			})
-- 
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