ugly refactor for golang platform builds

src/go_ssh_ext/conn_unix.go

@@ -0,0 +1,12 @@
+//go:build !windows
+// +build !windows
+
+package go_ssh_ext
+
+import (
+	"net"
+)
+
+func getConnectionForAgent(sshAuthSock string) (net.Conn, error) {
+	return net.Dial("unix", sshAuthSock)
+}

src/go_ssh_ext/conn_windows.go

@@ -0,0 +1,14 @@
+//go:build windows
+// +build windows
+
+package go_ssh_ext
+
+import (
+	"net"
+
+	"github.com/Microsoft/go-winio"
+)
+
+func getConnectionForAgent(sshAuthSock string) (net.Conn, error) {
+	return winio.DialPipe(sshAuthSock, nil)
+}

src/go_ssh_ext/main.go

@@ -9,7 +9,6 @@ import (
 	"runtime"
 	"syscall"
 
-	"github.com/Microsoft/go-winio"
 	"github.com/kevinburke/ssh_config"
 	"github.com/skeema/knownhosts"
 	"golang.org/x/crypto/ssh"
@@ -182,23 +181,10 @@ func getSignersForIdentityAgent(hostname string) ([]ssh.Signer, error) {
 
 	sshAuthSock = CleanupSshConfigValue(sshAuthSock)
 
-	var conn net.Conn
-	if runtime.GOOS == "windows" {
-		//inner_conn, err := namedpipe.DialContext(context.Background(), sshAuthSock)
-		// inner_conn, err := npipe.Dial(sshAuthSock)
-		inner_conn, err := winio.DialPipe(sshAuthSock, nil)
-		if err != nil {
-			slog.Error("Failed to open SSH auth socket", "err", err)
-			return nil, err
-		}
-		conn = inner_conn
-	} else {
-		inner_conn, err := net.Dial("unix", sshAuthSock)
-		if err != nil {
-			slog.Error("Failed to open SSH auth socket", "err", err)
-			return nil, err
-		}
-		conn = inner_conn
+	conn, err := getConnectionForAgent(sshAuthSock)
+	if err != nil {
+		slog.Error("Failed to open SSH auth socket", "err", err)
+		return nil, err
 	}
 
 	slog.Info("Using ssh agent", "socket", sshAuthSock)