From 253d97c93dce9a3365e67d0360b2e47dd165578e Mon Sep 17 00:00:00 2001
From: Tobias Gruetzmacher <tobias-git@23.gs>
Date: Tue, 4 Oct 2022 19:04:02 +0200
Subject: [PATCH] core: Chdir to executable location on Windows (#5115)

Since all Windows services are run from the Windows system directory,
make it easier for users by switching to our program directory right
after the start.
---
 service_windows.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/service_windows.go b/service_windows.go
index 6db29925..357c9ac8 100644
--- a/service_windows.go
+++ b/service_windows.go
@@ -15,6 +15,9 @@
 package caddy
 
 import (
+	"os"
+	"path/filepath"
+
 	"github.com/caddyserver/caddy/v2/notify"
 	"golang.org/x/sys/windows/svc"
 )
@@ -24,6 +27,14 @@ func init() {
 	if err != nil || !isService {
 		return
 	}
+
+	// Windows services always start in the system32 directory, try to
+	// switch into the directory where the caddy executable is.
+	execPath, err := os.Executable()
+	if err == nil {
+		_ = os.Chdir(filepath.Dir(execPath))
+	}
+
 	go func() {
 		_ = svc.Run("", runner{})
 	}()