Redfish snapshot/export overhaul and portable release build

cmd/logpile/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"bufio"
 	"flag"
 	"fmt"
 	"log"
@@ -21,6 +22,7 @@ var (
 )
 
 func main() {
+	holdOnCrash := flag.Bool("hold-on-crash", runtime.GOOS == "windows", "Wait for Enter on crash to keep console open")
 	port := flag.Int("port", 8082, "HTTP server port")
 	file := flag.String("file", "", "Pre-load archive file")
 	showVersion := flag.Bool("version", false, "Show version")
@@ -54,11 +56,22 @@ func main() {
 		}()
 	}
 
-	if err := srv.Run(); err != nil {
-		log.Fatalf("Server error: %v", err)
+	if err := runServer(srv); err != nil {
+		log.Printf("FATAL: %v", err)
+		maybeWaitForCrashInput(*holdOnCrash)
+		os.Exit(1)
 	}
 }
 
+func runServer(srv *server.Server) (runErr error) {
+	defer func() {
+		if recovered := recover(); recovered != nil {
+			runErr = fmt.Errorf("panic: %v", recovered)
+		}
+	}()
+	return srv.Run()
+}
+
 // openBrowser opens the default browser with the given URL
 func openBrowser(url string) {
 	var cmd *exec.Cmd
@@ -76,3 +89,23 @@ func openBrowser(url string) {
 		log.Printf("Failed to open browser: %v", err)
 	}
 }
+
+func maybeWaitForCrashInput(enabled bool) {
+	if !enabled || !isInteractiveConsole() {
+		return
+	}
+	fmt.Fprintln(os.Stderr, "\nApplication crashed. Press Enter to close...")
+	_, _ = bufio.NewReader(os.Stdin).ReadString('\n')
+}
+
+func isInteractiveConsole() bool {
+	stdinInfo, err := os.Stdin.Stat()
+	if err != nil {
+		return false
+	}
+	stderrInfo, err := os.Stderr.Stat()
+	if err != nil {
+		return false
+	}
+	return (stdinInfo.Mode()&os.ModeCharDevice) != 0 && (stderrInfo.Mode()&os.ModeCharDevice) != 0
+}